2、电池Ag（s）∣ AgCL（s）∣KCL（m）∣∣Hg2CL2(g)∣Hg(l)的电池反应式为：
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原电池的反应,电子应该是由负极流向正极.因此,反应有：正极：（Ag+）+e-=Ag负极：Hg-2e-=Hg2+两式相加可得：2(Ag+)+Hg=2Ag+(Hg2+)以上即为电池反应式.
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＞＞＞(CN)2被称为拟卤素，它的阴离子CN-作为配体形成的配合物有重要用..
(CN)2被称为拟卤素，它的阴离子CN-作为配体形成的配合物有重要用途。⑴ HgCl2和Hg(CN)2反应可制得 (CN)2, 写出反应方程式。&&&&&&&&&&&&&&&&&&⑵画出CN-、(CN)2的路易斯结构式。⑶写出(CN)2 (g) 在O2 (g) 中燃烧的反应方程式。⑷ 298 K下，(CN)2 (g) 的标准摩尔燃烧热为－1095 kJ mol－1，C2H2 (g) 的标准摩尔燃烧热为－1300 kJ mol－1，C2H2 (g) 的标准摩尔生成焓为227 kJ mol－1，H2O (l) 的标准摩尔生成焓为-286 kJ mol－1，计算 (CN)2 (g) 的标准摩尔生成焓。⑸ (CN)2在300~500 oC形成具有一维双链结构的聚合物，画出该聚合物的结构。⑹电镀厂向含氰化物的电镀废液中加入漂白粉以消除有毒的CN-，写出化学方程式（漂白粉用ClO－表示）。
题型：判断题难度：中档来源：不详
⑴HgCl2 + Hg(CN)2 = Hg2Cl2 + (CN)2⑵&&&&&必须画出孤对电子⑶(CN)2(g) + 2O2(g) = 2CO2(g) + N2(g)⑷(CN)2(g) + 2O2(g) = 2CO2(g) + N2(g)&&2ΔfHmy(CO2)?－ΔfHmy[(CN)2] =－1095 kJ·mol－1&2ΔfHmy(CO2) =－1095 kJ·mol－1+ΔfHmy[(CN)2]&&C2H2(g)+ 2.5O2(g)= 2CO2(g)+ H2O(l)&2ΔfHmy(CO2) +ΔfHmy(H2O) －ΔfHmy(C2H2) =?－1300 kJ mol-12ΔfHmy(CO2) =?－1300 kJ·mol－1+ 286kJ·mol－1+ 227 kJ mol－1ΔfHmy[(CN)2] =" 1095" kJ·mol－1－?1300 kJ·mol－1+ 286kJ·mol－1+ 227 kJ·mol－1=" 308" kJ·mol－1 ΔfHmy[(CN)2] = 1095－1300+ 286+ 227 = 308（kJ mol－1）也可以。⑸&&或&&&&或⑹2CN－ + 5ClO－+ H2O = 2HCO3－+ N2 + 5Cl－ HCO3－写成CO32－也可⑴根据题意，可以确定两种反应物和一种生成物[（CN）2]，利用元素守恒，则另一种物质为Hg2Cl2。⑵CN－是N2的等电子体，根据N2的路易斯结构式，写出CN－的路易斯结构式；(CN)2分子有18个价电子，需要32个电子使每个原子都满足八电子结构，因此还差14个电子，需形成7个共价键。电负性大的N原子作为端点原子，所有的共振式中，只有有“∶N≡C－C≡N∶”是形式电荷最小的路易斯结构（也可以通过CN－的结构进行推测）。本题在书写路易斯结构式时，应注意以下几个问题：①结构式中每个原子都必须满足8电子结构，因此不足八电子的原子一定要通过添加孤对电子的方式使其满足；②如果分子具有一定的空间构型，尽可能表示出来。⑶(CN)2在燃烧时，C元素转化成CO2，N元素转化成N2，根据以上产物，可配平燃烧的化学方程式。⑷标准摩尔燃烧热指的是一定温度下，1mol物质完全燃烧时的热效应，如“298 K下，(CN)2 (g) 的标准摩尔燃烧热为－1095 kJ·mol－1”可用如下热化学方程式表示出来：(CN)2(g)+O2(g)＝CO2(g)+N2(g)；⊿Hm(1)="-1095" kJ/mol ……①同理，“C2H2 (g) 的标准摩尔燃烧热为－1300 kJ/mol－1”即C2H2(g)+3/2O2(g)＝CO2(g)+H2O(l)；⊿Hm(2)="-1300" kJ/mol&……②(CN)2的标准摩尔生成热为一定温度下，由最稳定的单质生成每生成1 mol物质时的热效应，如“C2H2 (g) 的标准摩尔生成焓为227 kJ·mol－1”用热化学方程式表示为：2C(石墨，s)+H2(g)＝C2H2(g)；⊿Hm(3)="227" kJ·mol－1&……③同理，“H2O (l) 的标准摩尔生成焓为-286 kJ/mol-1”即H2(g)+1/2O2(g)=H2O(l)；⊿Hm(3)="-286" kJ·mol－1&……④(CN)2的标准摩尔生成热即以下反应的热效应2C(石墨，s)+N2(g)＝(CN)2(g)；⊿Hm&……⑤根据盖斯定律，⑤式可由②＋③－①－④得，即：ΔfHmy[(CN)2] =(+ 286+ 227)kJ/mol= 308kJ/mol⑸根据(CN)2的路易斯结构式，C、N三键“打开”形成C、N双键，碳碳相连形成双链结构。在书写高聚物的结构时，注意把构型表示出来。⑹这是一个碱性条件下的次氯酸根氧化CN-的氧化还原方程式的书写，可使用离子－电子法进行配平：氧化反应：2CN－+12OH－－10e-→2CO32-+N2+6H&2O&……①还原反应：ClO-+H2O+2e-→Cl-+2OH-&……②①＋②×5，即：2CN－ + 5ClO－+ 2OH－= 2CO3－+ N2 + 5Cl－ + H2O
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据魔方格专家权威分析，试题“(CN)2被称为拟卤素，它的阴离子CN-作为配体形成的配合物有重要用..”主要考查你对&&焓变、反应热，中和热，燃烧热&&等考点的理解。关于这些考点的“档案”如下：
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焓变、反应热中和热燃烧热
反应热，焓变：化学能可以转化为热能、电能和光能等，化学反应中的能量变化，通常主要表现为热量的变化。 1．定义：在化学反应过程中，当生成物和反应物具有相同温度时所放出或吸收的热量，通常叫做化学反应的反应热。在恒温、恒压条件下，化学反应过程中吸收或放出的热量称为反应的焓变。 2．符号：△Ⅳ 3．单位：kJ·mol-1 4．产生原因：化学反应过程中旧键断裂吸收的总能量与新键形成释放的总能量不相等，故化学反应均伴随着能量变化——吸热或放热。 5．表示方法：放热反应的△H&0，吸热反应的△H&0.中和热：在稀溶液中，酸和碱发生中和反应生成1molH2O时的反应热。中和热的表示方法：影响中和热测定的因素：
&& 中和反应巾放出的热量为(m1+m1)·c·(t1-t2)，其巾溶液的比热容c是已知的，对于给定的反应物的质量m1和m2也是定值，这样求算出的中和热是否接近 57．3kl·mol-1，取决于溶液温度的变化。&& 在整个实验过程中应把好两关：①隔热关。如：小烧杯周围的泡沫塑料要填满；盖板上两孔只要正好使温度计和环形玻璃搅拌棒通过即可；倒人NaOH溶液要迅速等，尽可能减少实验过程中热量的散失。②准确关。如：配制溶液的浓度要准；NaOH溶液要新制，因为久置的NaOH溶液可能变质导致浓度不准；量取液体体积时读数要准；对溶液温度要读到最高点。注意事项：
(1)这里的溶液一般要求是稀溶液，这是因为浓酸溶液和浓碱溶液相互稀释时会放出热量 (2)强酸与强碱的反应实质是H+和OH-反应(即与酸、碱的种类无关)，通过多次实验测定，1molH+和1molOH-反应生成lmol H2O(l)时，放出的热量为 57．3kJ (3)中和热是以生成1molH2O为基准的，因此表示中和热的热化学方程式中,水的化学计量数为1，酸、碱的化学计量数可以为分数燃烧热：在101kPa时，1mol纯物质完全燃烧生成稳定的氧化物时所放出的热量，叫做该物质的燃烧热。单位为kJ/mol燃烧热和中和热的异同：
注意事项：(1)规定是在101kPa 下测出的热量。书中提供的燃烧热数据都是在25℃、101kPa下测定出来的 (2)规定可燃物的物质的量为1mol(这样才有可比性)。因此，表示可燃物的燃烧热的热化学方程式中，可燃物的化学计量数为1，其他物质的化学计量数常出现分数 (3)规定生成稳定的氧化物，例如 等 (4)叙述燃烧热时、不用“+”“-”，在热化学方程式中用△H表示时取“-”
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, 30 May 1998, Pages
Synthesis, NMR (13C, 111Cd, 199Hg) spectra and structures of (Ph4As)2[Hg2Cl4(SC(O)Ph)2] and (Ph4As)2[CdCl4Hg(SC(O)Ph)2],
Department of Chemistry, University of Western Ontario, London, Ontario N6A 5137, CanadaCombination of Ph4AsCl & H2O, Hg(SC(O)Ph)2 and HgCl2 or CdCl-& 2.5H2O in the required stoichiometric ratio gives (Ph4As)2[MCl4Hg(SC(O)Ph)2], M = Hg (1) or Cd (2). Crystals of 1 were also isolated in an unsuccessful attempt to prepare the complex (Ph4As)[Na{Hg(SC(O)Ph)3}2]. X-ray crystallographic analyses of 1 and 2 show both to contain a Hg(II) bonded to two thiobenzoate ligands with a near-linear S?Hg?S skeleton. The S?Hg?S angle is 174.9(2)& in 1 and 175.4(1)& in 2. In each, the Hg(SC(O)Ph)2 moiety is involved in weak interactions with two chlorine atoms from [MCl4]2&. Mercury-199 and 111Cd NMR spectral studies indicate that the Hg(SC(O)Ph)2 remains intact in solution, and that scrambling or transfer of ligands between the linear and tetrahedral metal centres does not occur. Carbon-13 and 199Hg NM R data are reported for Hg(SC(O)Ph)2.Keywordscadmium; chloride; mercury; NMR; thiobenzoate; X-ray analysis
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KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2
KMnO4 + (HO2C)2= CO2 + H2O + KMn(OH)2
MnO4- + H2C2O4 + H+ = Mn++ + CO2 + H2O
Al + I2 = Al+++ + I-
H+Cr2O7--=Cr+H2O+e
H2SO4(aq) + V2O3(s) = V2(SO4)3 + H2O
Bi(NO3)3*5H2O+H2O2+RuCl3+NaOH=Bi2Ru2O7+NaNO3+NaCl+H2O
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HCl + C14H14N3NaO3S = H(N3)Na(O3)S + C14H14ClHCl + C14H14N3NaO3S = H(N3)Na(O3)S + C14H14Cl
HNO3+Ba(OH)2=Ba(NO3)2+3H2O2HNO3 + Ba(OH)2 = Ba(NO3)2 + 2H2O
HSbCl6+H2S=H3SbCl6+SHSbCl6 + H2S = H3SbCl6 + S
HCl + Na2CO3 = NaCl + H2O + CO22HCl + Na2CO3 = 2NaCl + H2O + CO2
HSbCl6+H2S=H3SbCl6+SHSbCl6 + H2S = H3SbCl6 + S
HNO3+Ca(OH)2=Ca(NO3)2+H2O2HNO3 + Ca(OH)2 = Ca(NO3)2 + 2H2O
H2SO4 + B(OH)3
= B2(SO4)3 + H2O3H2SO4 + 2B(OH)3 = B2(SO4)3 + 6H2O
H2+ O2=H2O2H2 + O2 = 2H2O
HClO4(l)+P2O5(s)=Cl2O7(l)+HPO3(s)2HClO4(l) + P2O5(s) = Cl2O7(l) + 2HPO3(s)
H2O + Br-+Al3+=Al +BrO3-+H+3H2O + Br- + 6Al3+ = 18Al + BrO3- + 6H+
H3PO4 (aq) + 3 LiOH (aq) = Li3PO4 (aq) + 3 H2O (l)H3PO4(aq) + 3LiOH(aq) = Li3PO4(aq) + 3H2O(l)
H2SO4+NaBr+NaBrO3=Na2SO4+H2O+Br23H2SO4 + 5NaBr + NaBrO3 = 3Na2SO4 + 3H2O + 3Br2
H2SO4+NaBr+NaBrO3=Na2SO4+H2O+Br23H2SO4 + 5NaBr + NaBrO3 = 3Na2SO4 + 3H2O + 3Br2
H2SO4+ Ba(OH)2 = BaSO4 + H2OH2SO4 + Ba(OH)2 = BaSO4 + 2H2O
H2CO3=CO2+H2OH2CO3 = CO2 + H2O
HNO3 + Ca(OH)2 = CaNO3 + H(OH)2HNO3 + Ca(OH)2 = CaNO3 + H(OH)2
HF+Sr(OH)2=SrF2+H2O2HF + Sr(OH)2 = SrF2 + 2H2O
HCl + O2 = H2O +Cl24HCl + O2 = 2H2O + 2Cl2
HCl + NaOH = NaCl + H2OHCl + NaOH = NaCl + H2O
HgO = Hg + O22HgO = 2Hg + O2
H2S + CdCl2 = HCl + CdSH2S + CdCl2 = 2HCl + CdS
H2S + CdCl2 = HCl + CdSH2S + CdCl2 = 2HCl + CdS
HClO4 + KOH = HOH + KClO4HClO4 + KOH = HOH + KClO4
HNO3 (aq) + Ca(OH)2 (aq) = Ca(NO3)2 (aq) + H2O (l)2HNO3(aq) + Ca(OH)2(aq) = Ca(NO3)2(aq) + 2H2O(l)
Hb (s) + O2 = HbO2 (s)Hb(s) + O2 = HbO2(s)
H2SO4+Zn=ZnSO4+H2H2SO4 + Zn = ZnSO4 + H2
HCOONa+H2SO4=NaHSO4+CO+H2OHCOONa + H2SO4 = NaHSO4 + CO + H2O
HCl(aq) + CaCO3(s) = CaCl2(aq) + CO2(aq) + H2O(aq)2HCl(aq) + CaCO3(s) = CaCl2(aq) + CO2(aq) + H2O(aq)
H2SO4 + NaBrO3 = Na2SO4 + Br2 + O2 + H2O2H2SO4 + 4NaBrO3 = 2Na2SO4 + 2Br2 + 5O2 + 2H2O
HBrO3 = 2Br2 + 5O2 + 2H2O4HBrO3 = 2Br2 + 5O2 + 2H2O
H2(g)+Cl2(g)=HCl(g)H2(g) + Cl2(g) = 2HCl(g)
H2SO4(aq) + Ca(NO2)2(aq) = HNO2(aq) + CaSO4(s)H2SO4(aq) + Ca(NO2)2(aq) = 2HNO2(aq) + CaSO4(s)
HNO3 + Ca(OH)2 = H2O + Ca(NO3)22HNO3 + Ca(OH)2 = 2H2O + Ca(NO3)2
H2S+KMnO4+HNO3=K2SO4+MnSO4+Mn(NO3)2+H2O5H2S + 8KMnO4 + 14HNO3 = 4K2SO4 + MnSO4 + 7Mn(NO3)2 + 12H2O
H2S+KMnO4+HNO3=K2SO4+MnSO4+Mn(NO3)2+H2O5H2S + 8KMnO4 + 14HNO3 = 4K2SO4 + MnSO4 + 7Mn(NO3)2 + 12H2O
H2S+KMnO4+HNO3=K2SO4+MnSO4+Mn(NO3)2+H2O5H2S + 8KMnO4 + 14HNO3 = 4K2SO4 + MnSO4 + 7Mn(NO3)2 + 12H2O
H2S+KMnO4+HNO3=K2SO4+MnSO4+Mn(NO3)2+H2O5H2S + 8KMnO4 + 14HNO3 = 4K2SO4 + MnSO4 + 7Mn(NO3)2 + 12H2O
HgO(s)=Hg(l)+O2(g)2HgO(s) = 2Hg(l) + O2(g)
HClO4+H2O=ClO4+H3OHClO4 + H2O = ClO4 + H3O
HClO4+H2O=ClO4+H3030HClO4 + 0H2O = 30ClO4 + H30
H2O + 2H+ = H2OH2O + 0H+ = H2O
H2O2 + Hg +H3PO4 = Hg2PO4 + H2O3H2O2 + 4Hg + 2H3PO4 = 2Hg2PO4 + 6H2O
H2O =H2 + O22H2O = 2H2 + O2
H2O2 + Hg +H3PO4 = Hg2PO4 + H2O3H2O2 + 4Hg + 2H3PO4 = 2Hg2PO4 + 6H2O
HCl+NH3=NH4ClHCl + NH3 = NH4Cl
H2(g) + FeO(s)= Fe(s) + H2O(l)H2(g) + FeO(s) = Fe(s) + H2O(l)
H2+O2=H2O2H2 + O2 = 2H2O
H2 + N2 =NH3 3H2 + N2 = 2NH3
HNO2 + Al(OH)3 = Al(NO2)3 + H2O3HNO2 + Al(OH)3 = Al(NO2)3 + 3H2O
H2SO4(aq)+Al(OH)3(aq)=Al2(SO4)3 + H2O 3H2SO4(aq) + 2Al(OH)3(aq) = Al2(SO4)3 + 6H2O
H2+2C=CH42H2 + C = CH4
HgCL2 + CaL2 = HgL2 + CaCL2HgCL2 + CaL2 = HgL2 + CaCL2
HNO3+NaHSO3=NaNO3+H2O+SO2HNO3 + NaHSO3 = NaNO3 + H2O + SO2
H2O+Na=H+NaOHH2O + Na = H + NaOH
HClO3+NaOH=NaClO3+H2OHClO3 + NaOH = NaClO3 + H2O
HCl+ Br2 = HBr2 + ClHCl + Br2 = HBr2 + Cl
H2SO4 + HI = I2+ SO2 + H2OH2SO4 + 2HI = I2 + SO2 + 2H2O
HNO3 + Fe = H2 + Fe(NO3)22HNO3 + Fe = H2 + Fe(NO3)2
H2 + AlCl3= HCl + Al3H2 + 2AlCl3 = 6HCl + 2Al
H2(g)+N2(g)=NH3(g)3H2(g) + N2(g) = 2NH3(g)
H2+O2=H2O2H2 + O2 = 2H2O
HNO3 + H2S = NO2 + H2O + S2HNO3 + H2S = 2NO2 + 2H2O + S
H2 + O2 = H2O2H2 + O2 = 2H2O
H2+N2=NH33H2 + N2 = 2NH3
H2SO4+Mg(OH)2=Mg(SO4)+H2(OH)2H2SO4 + Mg(OH)2 = Mg(SO4) + H2(OH)2
H2(g)+N2(g)=NH3(g)3H2(g) + N2(g) = 2NH3(g)
HSO3 - + I3 - + H2O = SO4- + 3H+ + 3I-1HSO3- + 3I3- - H2O = -1SO4- - 3H+ + 9I
H2(g)+I2(g)=HI(g)H2(g) + I2(g) = 2HI(g)
H2CO3 + Sr(OH)2=H2O + SrCO3H2CO3 + Sr(OH)2 = 2H2O + SrCO3
H2CO3 Sr(OH)2=H2O + SrCO3H2CO3Sr(OH)2 = 2H2O + SrCO3
H2S+FeCl3=Fe2S3+HCl3H2S + 2FeCl3 = Fe2S3 + 6HCl
H2O+SO3 = H2SO4H2O + SO3 = H2SO4
H2 + 2C = CH42H2 + C = CH4
H3PO4+KOH=H2O+K3PO4H3PO4 + 3KOH = 3H2O + K3PO4
H2O2(g) = H2O(l) + O2(g)2H2O2(g) = 2H2O(l) + O2(g)
H2SO4 + Al(NO2)3 = HNO2 + Al2(SO4)33H2SO4 + 2Al(NO2)3 = 6HNO2 + Al2(SO4)3
H2O +SO3 = H2SO4H2O + SO3 = H2SO4
H2SO4 + NaOH = H2O +Na2SO4H2SO4 + 2NaOH = 2H2O + Na2SO4
H3PO4(aq) + Ba(OH)2(aq)=Ba3(PO4)2(s) + H2O(l)2H3PO4(aq) + 3Ba(OH)2(aq) = Ba3(PO4)2(s) + 6H2O(l)
HI(aq) + Ba(OH)2(aq) = BaI2(aq) + H2O(l)2HI(aq) + Ba(OH)2(aq) = BaI2(aq) + 2H2O(l)
HI(aq) + Ba(OH)2(aq) = BaI2(aq) + H2O(l)2HI(aq) + Ba(OH)2(aq) = BaI2(aq) + 2H2O(l)
H2SO4+Al(OH)3=H2O+Al(OH)(SO4)H2SO4 + Al(OH)3 = 2H2O + Al(OH)(SO4)
HCl(g)+O2(g)=Cl2(g) + H2O(g)4HCl(g) + O2(g) = 2Cl2(g) + 2H2O(g)
HNO2+KMnO4+H2SO4=MnSO4+HNO3+K2SO4+H2O5HNO2 + 2KMnO4 + 3H2SO4 = 2MnSO4 + 5HNO3 + K2SO4 + 3H2O
HNO3+Sn+H2O=NO+3H2SnO34HNO3 + 3Sn + H2O = 4NO + 3H2SnO3
HNO3 + I2 = NO2 + H2O + HIO2HNO3 + I2 = 2NO2 + 0H2O + 2HIO
HNO3 + I2 = NO2 + H2O + HIO2HNO3 + I2 = 2NO2 + 0H2O + 2HIO
HCl(aq) + Al(s) = AlCl3(aq) + H2(g)6HCl(aq) + 2Al(s) = 2AlCl3(aq) + 3H2(g)
H2CO+NH4NO3=HCOOH+NH4NO2H2CO + NH4NO3 = HCOOH + NH4NO2
HCl+NaOH=NaCl+H2OHCl + NaOH = NaCl + H2O
H2+O2=H2O2H2 + O2 = 2H2O
H2S + Fe(OH)3 + H20 = SFeOH + 2H2OH2S + Fe(OH)3 + 0H20 = SFeOH + 2H2O
H2O2=O2+H2O2H2O2 = O2 + 2H2O
H2SO4+Al(OH)3=Al2(SO4)3+HOH3H2SO4 + 2Al(OH)3 = Al2(SO4)3 + 6HOH
H2O +Na= NaOH + H22H2O + 2Na = 2NaOH + H2
H2SO4 + NaOH = H2O + Na2SO4H2SO4 + 2NaOH = 2H2O + Na2SO4
HNO3+LiBr=LiNO3+HBrHNO3 + LiBr = LiNO3 + HBr
HCl + FeCl2 +H2O2 =FeCl3 +H2O2HCl + 2FeCl2 + H2O2 = 2FeCl3 + 2H2O
H2O2 + N2H4 = N2 + H2O2H2O2 + N2H4 = N2 + 4H2O
H2(g)+Cl2(g)=HCl(g)H2(g) + Cl2(g) = 2HCl(g)
H2(g)+N2(g)=NH3(g)3H2(g) + N2(g) = 2NH3(g)
H2S+(Cr2O7)=Cr3+S+H2O21H2S + 3(Cr2O7) = 2Cr3 + 21S + 21H2O
H2SO4+Ba(OH)2=BaSO4+H2OH2SO4 + Ba(OH)2 = BaSO4 + 2H2O
HCl+KMnO4=KCl+MnCl2+Cl2+H2O16HCl + 2KMnO4 = 2KCl + 2MnCl2 + 5Cl2 + 8H2O
H2SO4 + Al(OH)3 = Al2(SO4)3 + H2O3H2SO4 + 2Al(OH)3 = Al2(SO4)3 + 6H2O
HBrO3+HNO2=HNO3+Br2+H2O2HBrO3 + 5HNO2 = 5HNO3 + Br2 + H2O
H2O=H2+O22H2O = 2H2 + O2
HCl + NaHCO3=CO2 + H2O + NaClHCl + NaHCO3 = CO2 + H2O + NaCl
H2SO4+KOH=K2SO4+H2OH2SO4 + 2KOH = K2SO4 + 2H2O
H2O2=H20+O210H2O2 = H20 + 10O2
HNO3+Ba(OH)2=Ba(NO3)2+H2O2HNO3 + Ba(OH)2 = Ba(NO3)2 + 2H2O
HNO3(aq)+Ba(OH)2(s)=Ba(NO3)2(aq)+H2O(l)2HNO3(aq) + Ba(OH)2(s) = Ba(NO3)2(aq) + 2H2O(l)
HCl+Al(NO3)3=HNO3+AlCl33HCl + Al(NO3)3 = 3HNO3 + AlCl3
HC2H3O2(aq)+Ba(OH)2(aq) =H2O(l)+Ba(C2H3O2)2(aq)2HC2H3O2(aq) + Ba(OH)2(aq) = 2H2O(l) + Ba(C2H3O2)2(aq)
HCl(aq)+O2(g)=H2O(l)+Cl2(g)4HCl(aq) + O2(g) = 2H2O(l) + 2Cl2(g)
H2S + BrO3 = H2O + Br2 + S26H2S + 2BrO3 = 6H2O + Br2 + 3S2
HCl+AgNO3=HNO3+AgClHCl + AgNO3 = HNO3 + AgCl
HCl+FeCl2+H2O2=FeCl3+H2O2HCl + 2FeCl2 + H2O2 = 2FeCl3 + 2H2O
H2SO4+Ca(NO3)2=HNO3+CaSO4H2SO4 + Ca(NO3)2 = 2HNO3 + CaSO4
H2SO4+Al(NO3)2=HNO3+AlSO4H2SO4 + Al(NO3)2 = 2HNO3 + AlSO4
HNO3 + MnO + PbO2 = HMnO4 + Pb(NO3)2 + H2O10HNO3 + 2MnO + 5PbO2 = 2HMnO4 + 5Pb(NO3)2 + 4H2O
HNO3 + MnO + PbO2 = HMnO4 + Pb(NO3)2 + H2O10HNO3 + 2MnO + 5PbO2 = 2HMnO4 + 5Pb(NO3)2 + 4H2O
H2SO4 + NH4OH = H2O +
(NH4)2SO4H2SO4 + 2NH4OH = 2H2O + (NH4)2SO4
HCL + KOH = KCL + H2OHCL + KOH = KCL + H2O
H2O=H2+O22H2O = 2H2 + O2
HCl + KMnO4 = Cl2 + MnO2 + 2H2O + KCl8HCl + 2KMnO4 = 3Cl2 + 2MnO2 + 4H2O + 2KCl
HCl + KMnO4 = Cl2 + MnO2 + H2O + KCl8HCl + 2KMnO4 = 3Cl2 + 2MnO2 + 4H2O + 2KCl
H2SO4+HBr=SO2+H2O+Br2H2SO4 + 2HBr = SO2 + 2H2O + Br2
H2SO4 + KBr = K2SO4 + Br2 + SO2 + H2O 2H2SO4 + 2KBr = K2SO4 + Br2 + SO2 + 2H2O
H2SO4+B(OH)3=B2(SO4)3+H2O3H2SO4 + 2B(OH)3 = B2(SO4)3 + 6H2O
HCl + SO4 + BaCl2 = BaSO4 + HCl3HCl + SO4 + BaCl2 = BaSO4 + HCl3
H2+S=H2SH2 + S = H2S
H2+S=H2SH2 + S = H2S
H2+S=H2SH2 + S = H2S
H2SO4 + Ag= Ag2SO4 +SO2 + H2O2H2SO4 + 2Ag = Ag2SO4 + SO2 + 2H2O
H2+O2=H2O2H2 + O2 = 2H2O
H2+O2=H2O2H2 + O2 = 2H2O
HgO=Hg+O22HgO = 2Hg + O2
H2CO3 + NaCl + SO3 = H2SO2 + ClO + Na2CO3 + Cl22H2CO3 + 4NaCl + 2SO3 = 2H2SO2 + 2ClO + 2Na2CO3 + Cl2
HNO3 + I2 = HIO3 + NO2 +H2O10HNO3 + I2 = 2HIO3 + 10NO2 + 4H2O
HCl(g)+O2(g)=H2O(g)+Cl2(g)4HCl(g) + O2(g) = 2H2O(g) + 2Cl2(g)
H2SO4+KOH=K2SO4+H2OH2SO4 + 2KOH = K2SO4 + 2H2O
H2SO4+Ba(OH)2=BaSO4+H2OH2SO4 + Ba(OH)2 = BaSO4 + 2H2O
H2SO3=H2O+SO2H2SO3 = H2O + SO2
H2SO4+Ba(OH)2=BaSO4+H2OH2SO4 + Ba(OH)2 = BaSO4 + 2H2O
H2O=H2+O22H2O = 2H2 + O2
H2O=H2+O22H2O = 2H2 + O2
HCl+Mg(OH)2=MgCl2+H2O2HCl + Mg(OH)2 = MgCl2 + 2H2O
HgO(s)=Hg(l)+O2(g)2HgO(s) = 2Hg(l) + O2(g)
H2O=H2+O22H2O = 2H2 + O2
H3PO3+HNO3=H3PO4+N2O+H2O4H3PO3 + 2HNO3 = 4H3PO4 + N2O + H2O
HCl+Sn(OH)4=SnCl4+4H2O4HCl + Sn(OH)4 = SnCl4 + 4H2O
HCLO3+NaOH=NaCLO3+H2OHCLO3 + NaOH = NaCLO3 + H2O
H3PO3+HNO3=H3PO4+N2O+H2O4H3PO3 + 2HNO3 = 4H3PO4 + N2O + H2O
Hb+O2=HbO2Hb + O2 = HbO2
HBr(aq)+Zn(OH)2(s)=ZnBr2(aq)+H2O(l)2HBr(aq) + Zn(OH)2(s) = ZnBr2(aq) + 2H2O(l)
H+ + Mg = H + Mg2+H+ + 2Mg = H + Mg2+
HgO = O2 +Hg2HgO = O2 + 2Hg
HCl + Ca(OH) 2 = H2O + CaCl22HCl + Ca(OH)2 = 2H2O + CaCl2
HNO3(aq)+Zn(OH)2(s)=H2O(l)+Zn(NO3)2(aq)2HNO3(aq) + Zn(OH)2(s) = 2H2O(l) + Zn(NO3)2(aq)
HNO3(aq) + CaCO3(s) = Ca(NO3)2(aq) + CO2(g) + H2O2HNO3(aq) + CaCO3(s) = Ca(NO3)2(aq) + CO2(g) + H2O
H3PO4(aq) + Mg(OH)2(s) = Mg3(PO4)2(aq) + H2O2H3PO4(aq) + 3Mg(OH)2(s) = Mg3(PO4)2(aq) + 6H2O
H3PO4(aq) + Mg(OH)2(s) = Mg3(PO4)2(aq) + H2O2H3PO4(aq) + 3Mg(OH)2(s) = Mg3(PO4)2(aq) + 6H2O
HBr(aq)+2NaOH(aq)=2NaBr(s)+H2O(l)HBr(aq) + NaOH(aq) = NaBr(s) + H2O(l)
HNO3+H2S=NO+S+H2O2HNO3 + 3H2S = 2NO + 3S + 4H2O
HNO3+S=H2SO4+NO2HNO3 + S = H2SO4 + 2NO
HNO3=NO+H2O+O24HNO3 = 4NO + 2H2O + 3O2
H2S+SO2=S+H2O2H2S + SO2 = 3S + 2H2O
H2S+HNO3=H2SO4+NO+H2O3H2S + 8HNO3 = 3H2SO4 + 8NO + 4H2O
HBrO3(aq) +SO2(g) + H2O(l)=Br2(aq) + H2SO4(aq)2HBrO3(aq) + 5SO2(g) + 4H2O(l) = Br2(aq) + 5H2SO4(aq)
H2O2=O2+H2O2H2O2 = O2 + 2H2O
HNO3=H++NO3-HNO3 = H+ + NO3-
H2O2(l)=O2(g) +H2O2H2O2(l) = O2(g) + 2H2O
H+S=H2S2H + S = H2S
H+S=H2S2H + S = H2S
HNO3 + NO = NO2 + H2O2HNO3 + NO = 3NO2 + H2O
HClO3+ HCl = H2O + Cl2HClO3 + 5HCl = 3H2O + 3Cl2
H3PO4 + KOH = K3PO4 + H2OH3PO4 + 3KOH = K3PO4 + 3H2O
HBr + Ca(OH)2 =CaBr2 + H2O2HBr + Ca(OH)2 = CaBr2 + 2H2O
H2SO4 + KOH = K2SO4 + H2OH2SO4 + 2KOH = K2SO4 + 2H2O
H2(g)+P4(s)=PH3(g)6H2(g) + P4(s) = 4PH3(g)
H2(g)+O2(g)=H2O(l)2H2(g) + O2(g) = 2H2O(l)
HCl(aq)+O2(g)=H2O(l)+Cl2(g)4HCl(aq) + O2(g) = 2H2O(l) + 2Cl2(g)
H3PO4 + Ca(OH)2 = Ca3(PO4)2 + H2O2H3PO4 + 3Ca(OH)2 = Ca3(PO4)2 + 6H2O
Hg(OH)2=Hg+O2=H2O2Hg(OH)2 = 2Hg + O2 + 2H2O
Hg(OH)2=Hg+O2=H2O2Hg(OH)2 = 2Hg + O2 + 2H2O
H2S + HNO3 = H2SO4 + NO2 + H2OH2S + 8HNO3 = H2SO4 + 8NO2 + 4H2O
H2 + O2 = H2O 2H2 + O2 = 2H2O
HCl + Ba(OH)2 = H2O + BaCl22HCl + Ba(OH)2 = 2H2O + BaCl2
H2(g)+O2(g)=H2O 2H2(g) + O2(g) = 2H2O
HOCl+HCl=H2O+Cl2HOCl + HCl = H2O + Cl2
HOCl(aq)+HCl(aq)=H2O(l)+Cl2(g)HOCl(aq) + HCl(aq) = H2O(l) + Cl2(g)
HCl + KMnO4 = Cl2 + MnO2 + 2H2O + KCl8HCl + 2KMnO4 = 3Cl2 + 2MnO2 + 4H2O + 2KCl
HCl + KMnO4 = Cl2 + MnO2 + H2O + KCl8HCl + 2KMnO4 = 3Cl2 + 2MnO2 + 4H2O + 2KCl
HS2O8- + C + H2O = CO2 + HSO4- + H+2HS2O8- + C + 2H2O = CO2 + 4HSO4- + 2H+
HN3+N2O=N2+H2O2HN3 + N2O = 4N2 + H2O
H2+O2=H2O2H2 + O2 = 2H2O
H2SO4 + BaCl2 = BaSO4 + HClH2SO4 + BaCl2 = BaSO4 + 2HCl
H2S+HNO3=S+NO2+H2OH2S + 2HNO3 = S + 2NO2 + 2H2O
HOH+Cl2=HCl+O22HOH + 2Cl2 = 4HCl + O2
H2(g)+Cl2(g)=HCl(g)H2(g) + Cl2(g) = 2HCl(g)
H2(g)+N2(g)=NH3(g)3H2(g) + N2(g) = 2NH3(g)
HBr(aq)+2NaOH(aq)=2NaBr(s)+H2O(l)HBr(aq) + NaOH(aq) = NaBr(s) + H2O(l)
H2 (g) + N2 (g) = NH3 (g)3H2(g) + N2(g) = 2NH3(g)
HBr+NaOH=NaBr+H2OHBr + NaOH = NaBr + H2O
H3PO4+Fe(OH)2=H2O+Fe3(PO4)22H3PO4 + 3Fe(OH)2 = 6H2O + Fe3(PO4)2
HCl(aq)+O2(g)=H2O(l)+Cl2(g) 4HCl(aq) + O2(g) = 2H2O(l) + 2Cl2(g)
H+ + Al = H2 + Al3+2H+ + 6Al = H2 + 2Al3+
H2SO4 + NaOH= Na2SO4 + H2OH2SO4 + 2NaOH = Na2SO4 + 2H2O
H3PO4+NaOH=Na3PO4+H2OH3PO4 + 3NaOH = Na3PO4 + 3H2O
HCl+Ba(OH)2=BaCl2+H2O2HCl + Ba(OH)2 = BaCl2 + 2H2O
H2+SO2=H2S+H2O3H2 + SO2 = H2S + 2H2O
H2SO4+NaCl=HCl+Na2SO4H2SO4 + 2NaCl = 2HCl + Na2SO4
HNO3+NaOH=NaNO3+H2OHNO3 + NaOH = NaNO3 + H2O
HNO3+NaOH=NaNO3+H2OHNO3 + NaOH = NaNO3 + H2O
HNO3+KOH=KNO3+H2OHNO3 + KOH = KNO3 + H2O
HBr + NaOH = HOH + NaBrHBr + NaOH = HOH + NaBr
H2O(l)+F2(g)=H2OF2H2O(l) + F2(g) = H2OF2
HCl + Na(OH) = NaCl + H2OHCl + Na(OH) = NaCl + H2O
HClO4(l)+P2O5(s)=Cl2O7(l)+HPO3(s)2HClO4(l) + P2O5(s) = Cl2O7(l) + 2HPO3(s)
HC2H3O2(aq)+K2CO3(aq)=H2O(l)+CO2(g)+KC2H3O2(aq)2HC2H3O2(aq) + K2CO3(aq) = H2O(l) + CO2(g) + 2KC2H3O2(aq)
HNO3 + Na2S = NaNO3 + H2S2HNO3 + Na2S = 2NaNO3 + H2S
HNO3 + Na2S = NaNO3 + H2S2HNO3 + Na2S = 2NaNO3 + H2S
H2+Cl=HClH2 + 2Cl = 2HCl
H2S+Ca(OH)2=CaS+H2OH2S + Ca(OH)2 = CaS + 2H2O
H2SO4+NaOH=Na2SO4+H2OH2SO4 + 2NaOH = Na2SO4 + 2H2O
HNO3 + Sn = Sn(NO3)4 + H4HNO3 + Sn = Sn(NO3)4 + 4H
HCl + MnO4 = MnCl2 + Cl2 + H2O8HCl + MnO4 = MnCl2 + 3Cl2 + 4H2O
HBr + PbO2 = PbBr4 + H2O4HBr + PbO2 = PbBr4 + 2H2O
H2SO4 + Ba(OH)2 =BaSO4 + H2O H2SO4 + Ba(OH)2 = BaSO4 + 2H2O
H2 + O2 =H2O2H2 + O2 = 2H2O
H3PO4 (aq) + 3 LiOH (aq) = Li3PO4 (aq) + 3 H2O (l)H3PO4(aq) + 3LiOH(aq) = Li3PO4(aq) + 3H2O(l)
H2SO4 + Ba(OH)2=BaSO4 + H2OH2SO4 + Ba(OH)2 = BaSO4 + 2H2O
H2O+F2=H2F2+OH2O + F2 = H2F2 + O
H2O+F2=F2O+H2H2O + F2 = F2O + H2
H2O+F2=F2O+H2H2O + F2 = F2O + H2
H2(g)+Cl2(g)=HCl(g)H2(g) + Cl2(g) = 2HCl(g)
H2(g)+N2(g)=NH3(g)3H2(g) + N2(g) = 2NH3(g)
HgO(s)=Hg(l)+O2(g)2HgO(s) = 2Hg(l) + O2(g)
HNO3 (AQ) +Cu (s) +O2 = Cu(NO3)2 (AQ) + H2O (l) + NO2(g)-4HNO3(AQ) - 4Cu(s) - 3O2 = -4Cu(NO3)2(AQ) - 2H2O(l) + 4NO2(g)
HNO3 (AQ) +Cu (s) +O2(g) = Cu(NO3)2 (AQ) + H2O (l) + NO2(g)-4HNO3(AQ) - 4Cu(s) - 3O2(g) = -4Cu(NO3)2(AQ) - 2H2O(l) + 4NO2(g)
HNO3 (AQ) +Cu (s) +O2 = Cu(NO3)2 (AQ) + H2O (l) + NO2(g)-4HNO3(AQ) - 4Cu(s) - 3O2 = -4Cu(NO3)2(AQ) - 2H2O(l) + 4NO2(g)
H2SO4+Al=Al2(SO4)3+H2(g)3H2SO4 + 2Al = Al2(SO4)3 + 3H2(g)
H2+O2=H2O2H2 + O2 = 2H2O
H2S+O2=SO2+H2O2H2S + 3O2 = 2SO2 + 2H2O
Hg(NO3)2(aq)+LiI(aq)=LiNO3(aq)+HgI2(s)Hg(NO3)2(aq) + 2LiI(aq) = 2LiNO3(aq) + HgI2(s)
HCl+MnO2=MnCl2+H2O+Cl24HCl + MnO2 = MnCl2 + 2H2O + Cl2
H2SO4+C=H2O+SO2+CO22H2SO4 + C = 2H2O + 2SO2 + CO2
H2SO4+NaCl=Na2SO4+HClH2SO4 + 2NaCl = Na2SO4 + 2HCl
H2O+Na=NaOH+H22H2O + 2Na = 2NaOH + H2
H2+N2=NH33H2 + N2 = 2NH3
H2O (l) + CO2= H2CO3 (g)H2O(l) + CO2 = H2CO3(g)
Hb (s) + O2 = HbO2 (s)Hb(s) + O2 = HbO2(s)
HCl + NaHCO3 = 2NaCl + CO2+H2O HCl + NaHCO3 = NaCl + CO2 + H2O
HCl + NaHCO3 = 2NaCl + CO2+H2O HCl + NaHCO3 = NaCl + CO2 + H2O
HCl + NaHCO3 = 2NaCl + CO2+H2O HCl + NaHCO3 = NaCl + CO2 + H2O
H2SO4+NaOH=Na2SO4+H2OH2SO4 + 2NaOH = Na2SO4 + 2H2O
H2+I2=HIH2 + I2 = 2HI
HNO3+H2S=NO+S+H200HNO3 + 10H2S = 0NO + 10S + H20
Hg2(NO3)2(aq)+2LiCl(aq)=Hg2Cl2(s)+2LiNO3(aq)Hg2(NO3)2(aq) + 2LiCl(aq) = Hg2Cl2(s) + 2LiNO3(aq)
H2SO4(aq) + 2NaOH(aq) = Na2SO4(aq) + 2H2O(l)H2SO4(aq) + 2NaOH(aq) = Na2SO4(aq) + 2H2O(l)
Hg+O2=HgO2Hg + O2 = 2HgO
H2+C+N2=HCNH2 + 2C + N2 = 2HCN
H+C+N=HCNH + C + N = HCN
H2SO4+V2O3=V2(SO4)3+H2O3H2SO4 + V2O3 = V2(SO4)3 + 3H2O
H2O (l) = H2 (g) + O2 (g)2H2O(l) = 2H2(g) + O2(g)
H2 (g) + C2H4 (g) = C2H6 (g)H2(g) + C2H4(g) = C2H6(g)
HClO4(l)+P2O5(s)=Cl2O7(l)+HPO3(s)2HClO4(l) + P2O5(s) = Cl2O7(l) + 2HPO3(s)
HCl+NaOH=H2O+NaCl HCl + NaOH = H2O + NaCl
H3AsO4+H2S=S+As2S3+H2O2H3AsO4 + 5H2S = 2S + As2S3 + 8H2O
HI+H2SO4=H2S+I2+H2O8HI + H2SO4 = H2S + 4I2 + 4H2O
H2S+O2=SO2+H2O2H2S + 3O2 = 2SO2 + 2H2O
HNO2 + NaOH = H2O + NO2 + NaHNO2 + NaOH = H2O + NO2 + Na
Hg + O2 = HgO2Hg + O2 = 2HgO
H2 + CuO = Cu + H2OH2 + CuO = Cu + H2O
H2O(l) + O2(g)2H2O2(aq) = 2H2O(l) + O2(g)
H2(g)+Cl2(g)=HCl(g)H2(g) + Cl2(g) = 2HCl(g)
H2(g)+N2(g)=NH3(g)3H2(g) + N2(g) = 2NH3(g)
H2(g)+O2(g)=H2O(l)2H2(g) + O2(g) = 2H2O(l)
HCl(aq)+O2(g)=H2O(l)+Cl2(g)4HCl(aq) + O2(g) = 2H2O(l) + 2Cl2(g)
H2(g)+Cl2(g)=HCl(g)H2(g) + Cl2(g) = 2HCl(g)
HF + CH4 + C = C5H4F24HF + CH4 + 9C = 2C5H4F2
HF + CH4 + C = C5H4F24HF + CH4 + 9C = 2C5H4F2
HF + CH4 + C2 = C5H4F28HF + 2CH4 + 9C2 = 4C5H4F2
HF + CH4 + C2 = 2C5H4F28HF + 2CH4 + 9C2 = 4C5H4F2
HF + H2 + C2 = C5H4F24HF + 2H2 + 5C2 = 2C5H4F2
H2(g) +N2(g) =NH3 (g)3H2(g) + N2(g) = 2NH3(g)
H2O+CO=CO2+H2H2O + CO = CO2 + H2
HCl + K2SO3 = KCl + H2O + SO22HCl + K2SO3 = 2KCl + H2O + SO2
HNO3 + NaOH = NaNO3 + H2OHNO3 + NaOH = NaNO3 + H2O
HCl+KOH=H2O+KClHCl + KOH = H2O + KCl
N H3 = (N H4)2 S O4H2SO4 + 2NH3 = (NH4)2SO4
H2SO4(aq) + NaOH(aq) = Na2SO4(aq) + H2O(l)H2SO4(aq) + 2NaOH(aq) = Na2SO4(aq) + 2H2O(l)
HNO2+KI+HCl=I2+N2+KCl+H2O2HNO2 + 6KI + 6HCl = 3I2 + N2 + 6KCl + 4H2O
H2+O=H2OH2 + O = H2O
H2(g)+Cl2(g)=HCl(g)H2(g) + Cl2(g) = 2HCl(g)
H2(g)+N2(g)=NH3(g)3H2(g) + N2(g) = 2NH3(g)
H2(g)+N2(g)=NH3(g)3H2(g) + N2(g) = 2NH3(g)
H2(g)+O2(g)=H2O(l)2H2(g) + O2(g) = 2H2O(l)
HCl(aq)+O2(g)=H2O(l)+Cl2(g)4HCl(aq) + O2(g) = 2H2O(l) + 2Cl2(g)
HI = H2 + I22HI = H2 + I2
CO = CO2 +
H2H2O + CO = CO2 + H2
H2SO4+NaOH=Na2SO4+H2OH2SO4 + 2NaOH = Na2SO4 + 2H2O
HClO3(aq)+HBr(aq)=HCl(aq)+Br2(g)+H2O(l)HClO3(aq) + 6HBr(aq) = HCl(aq) + 3Br2(g) + 3H2O(l)
H2SO4 + 2 NaOH
= 2 H2O + Na2SO4H2SO4 + 2NaOH = 2H2O + Na2SO4
H+Cr2O7--=Cr+H2O+e14H + Cr2O7-- = 2Cr + 7H2O + 2e
HNO3+NH3=N2+H2O3HNO3 + 5NH3 = 4N2 + 9H2O
HCl+Na2CO3 = H2CO3 + NaCl2HCl + Na2CO3 = H2CO3 + 2NaCl
HNO2(aq)=HNO3(aq)+NO(g)+H2O(l)3HNO2(aq) = HNO3(aq) + 2NO(g) + H2O(l)
H2SO4 +Ca3(PO4)2=CaSO4+H3PO43H2SO4 + Ca3(PO4)2 = 3CaSO4 + 2H3PO4
= Zn3(PO4)2 + H2O2H3PO4 + 3Zn(OH)2 = Zn3(PO4)2 + 6H2O
HI = H2 + I22HI = H2 + I2
H2O + CO =
CO2 + H2H2O + CO = CO2 + H2
HgO = Hg+O22HgO = 2Hg + O2
HCl + NaOH = NaCl + H2OHCl + NaOH = NaCl + H2O
+ Ba(OH)2 = Ba3(PO4)2+ H2O2H3PO4 + 3Ba(OH)2 = Ba3(PO4)2 + 6H2O
H2+O2=H2O2H2 + O2 = 2H2O
H4Y6=H2Y3H4Y6 = 2H2Y3
HI(aq)+KOH(aq)=H2O(l)+KI(aq)HI(aq) + KOH(aq) = H2O(l) + KI(aq)
HI(aq)+KOH(aq)=H2O(l)+KI(aq)HI(aq) + KOH(aq) = H2O(l) + KI(aq)
H2(g)+Cl2(g)=HCl(g)H2(g) + Cl2(g) = 2HCl(g)
H2(g)+N2(g)=NH3(g)3H2(g) + N2(g) = 2NH3(g)
H2 + Br2 = HBrH2 + Br2 = 2HBr
H2+O2=H2O2H2 + O2 = 2H2O
H2O+O2=H2OH2O + 0O2 = H2O
H3PO4+Mg(OH)2=Mg3(PO4)2+H2O2H3PO4 + 3Mg(OH)2 = Mg3(PO4)2 + 6H2O
H3PO4+Mg(OH)2=Mg3(PO4)2+H2O2H3PO4 + 3Mg(OH)2 = Mg3(PO4)2 + 6H2O
HI(aq)+KOH(aq)=H2O(l)+KI(aq)HI(aq) + KOH(aq) = H2O(l) + KI(aq)
HI(aq)+KOH(aq)=H2O(l)+KI(aq)HI(aq) + KOH(aq) = H2O(l) + KI(aq)
H2(g)+Cl2(g)=HCl(g)H2(g) + Cl2(g) = 2HCl(g)
H2(g)+N2(g)=NH3(g)3H2(g) + N2(g) = 2NH3(g)
H2(g)+Cl2(g)=HCl(g)H2(g) + Cl2(g) = 2HCl(g)
H2(g)+N2(g)=NH3(g)3H2(g) + N2(g) = 2NH3(g)
H2 + Cl2= HClH2 + Cl2 = 2HCl
HCl+Ni(NO3)2+NaOH=NiCl+ HNO3+NaOH0HCl + 0Ni(NO3)2 + NaOH = 0NiCl + 0HNO3 + NaOH
Hf+N2=Hf3N43Hf + 2N2 = Hf3N4
H20(l) + NO2(g) = HNO2(aq)H20(l) + 20NO2(g) = 20HNO2(aq)
H2(g) + Cl2(g) =HCl(g)H2(g) + Cl2(g) = 2HCl(g)
HSiCl3(l) + H2O(l) = H10Si10O15(s) + HCl(aq)10HSiCl3(l) + 15H2O(l) = H10Si10O15(s) + 30HCl(aq)
HSiCl3(l) + H2O(l) = H10Si10O15(s) + HCl(aq)10HSiCl3(l) + 15H2O(l) = H10Si10O15(s) + 30HCl(aq)
HOCl(aq)+HCl(aq)=H2O(l)+Cl2(g)HOCl(aq) + HCl(aq) = H2O(l) + Cl2(g)
HOCl(aq)+HCl(aq)=H2O(l)+Cl2(g)HOCl(aq) + HCl(aq) = H2O(l) + Cl2(g)
H2SO4 + KOH =
K2SO4 + H2OH2SO4 + 2KOH = K2SO4 + 2H2O
H2SO4+HNO3=H2O+SO4+HNO30H2SO4 + HNO3 = 0H2O + 0SO4 + HNO3
HBrO4 + Na(OH) = NaBrO4 + H2OHBrO4 + Na(OH) = NaBrO4 + H2O
HBrO4 + Na(OH) = NaBrO4 + H2OHBrO4 + Na(OH) = NaBrO4 + H2O
HClO4(l)+P2O5(s)=Cl2O7(l)+HPO3(s)2HClO4(l) + P2O5(s) = Cl2O7(l) + 2HPO3(s)
HOCl(aq)+HCl(aq)=H2O(l)+Cl2(g)HOCl(aq) + HCl(aq) = H2O(l) + Cl2(g)
HOCl(aq)+HCl(aq)=H2O(l)+Cl2(g)HOCl(aq) + HCl(aq) = H2O(l) + Cl2(g)
H2O2+2HCL+2KI=2KCL+I2+H2O2H2O2 + 0HCL + 0KI = 0KCL + 0I2 + H2O2
H2O2+2HCL+2KI=2KCL+I2+H2O2H2O2 + 0HCL + 0KI = 0KCL + 0I2 + H2O2
H2(g)+N2(g) =NH3(g)3H2(g) + N2(g) = 2NH3(g)
H2(g)+N2(g) =NH3(g)3H2(g) + N2(g) = 2NH3(g)
HBr(aq)+2NaOH(aq)=2NaBr(s)+H2O(l)HBr(aq) + NaOH(aq) = NaBr(s) + H2O(l)
HCl+Zn=ZnCl2H22HCl + Zn = ZnCl2H2
H2O+N2O5=NHO3H2O + N2O5 = 2NHO3
HCl(aq)+Zn(s)=ZnCl2(aq)+H22HCl(aq) + Zn(s) = ZnCl2(aq) + H2
H2O2 + N2H4 = N2 + H2O2H2O2 + N2H4 = N2 + 4H2O
H2S + MnO2 + H2SO4 = S + Mn(HSO4)2-1H2S + 2MnO2 + 3H2SO4 = -2S + 2Mn(HSO4)2
H2O2(aq) =
H2O(l) + O2(g)2H2O2(aq) = 2H2O(l) + O2(g)
HBr + Ca(OH)2 = CaBr2 + H2O2HBr + Ca(OH)2 = CaBr2 + 2H2O
H2(g)+Cl2(g)=HCl(g)H2(g) + Cl2(g) = 2HCl(g)
HC2H3O2(aq)+K2CO3(aq)=H2O(l)+CO2(g)+KC2H3O2(aq)2HC2H3O2(aq) + K2CO3(aq) = H2O(l) + CO2(g) + 2KC2H3O2(aq)
H2O2=H2O+O22H2O2 = 2H2O + O2
HCl+NaOH=NaCl+H2OHCl + NaOH = NaCl + H2O
H2C2O3+KMnO4+H2SO4=MnSO4+KHSO4+CO2+H2O5H2C2O3 + 4KMnO4 + 8H2SO4 = 4MnSO4 + 4KHSO4 + 10CO2 + 11H2O
Hg(NO2)2+FeSO4=Fe(NO2)2+Fe2(SO4)7+Hg5Hg(NO2)2 + 7FeSO4 = 5Fe(NO2)2 + Fe2(SO4)7 + 5Hg
H3PO4 (aq) + Ca(OH)2 (aq) = Ca3(PO4)2 (s) + H2O (l)2H3PO4(aq) + 3Ca(OH)2(aq) = Ca3(PO4)2(s) + 6H2O(l)
H3PO4(aq) + KOH(aq)= H3OH + KPO4H3PO4(aq) + KOH(aq) = H3OH + KPO4
HNO2(aq)=HNO3(aq)+NO(g)+H2O(l)3HNO2(aq) = HNO3(aq) + 2NO(g) + H2O(l)
H3PO4+Br2 = P4+HBrO2+H2O12H3PO4 + 10Br2 = 3P4 + 20HBrO2 + 8H2O
HNO3+Na2CO3=NaNO3+CO2+H2O2HNO3 + Na2CO3 = 2NaNO3 + CO2 + H2O
H2SO4+Al2O3=Al2(SO4)3+H2O3H2SO4 + Al2O3 = Al2(SO4)3 + 3H2O
HC2H3O2(aq)+Ca(OH)2(aq)=H2O(l)+Ca(C2H3O2)2(aq)2HC2H3O2(aq) + Ca(OH)2(aq) = 2H2O(l) + Ca(C2H3O2)2(aq)
HCl+Mg=H2+Mg Cl22HCl + Mg = H2 + MgCl2
HCl + MnO2 = Cl2 + Mn2 + H2O8HCl + 2MnO2 = 4Cl2 + Mn2 + 4H2O
HCl(aq) + Zn(s) =HCl2(aq) + Zn(s)0HCl(aq) + Zn(s) = 0HCl2(aq) + Zn(s)
H2Cr2O4 + 2H2O = H3O + Cr2O4H2Cr2O4 + 2H2O = 2H3O + Cr2O4
H2SO4 + LiOH = Li2SO4 + H2OH2SO4 + 2LiOH = Li2SO4 + 2H2O
HCl+NH4Br=ClNH4+HBrHCl + NH4Br = ClNH4 + HBr
H2 +Br2=HBrH2 + Br2 = 2HBr
H2SO4+NaNO2=HNO2+Na2SO4H2SO4 + 2NaNO2 = 2HNO2 + Na2SO4
H2SO4+NaNO2=HNO2+Na2SO4H2SO4 + 2NaNO2 = 2HNO2 + Na2SO4
H2SO4+Cl2=HCl+SO4H2SO4 + Cl2 = 2HCl + SO4
H2+Cl2=HClH2 + Cl2 = 2HCl
H+O=H2O2H + O = H2O
HNO3+Mg(OH)2= Mg(NO3)2+H2O2HNO3 + Mg(OH)2 = Mg(NO3)2 + 2H2O
H2+O2=H2O2H2 + O2 = 2H2O
H2+O2=H2O2H2 + O2 = 2H2O
H2S+O2=H2O+SO22H2S + 3O2 = 2H2O + 2SO2
H2S+O2=H2O+SO22H2S + 3O2 = 2H2O + 2SO2
H2O = H2 + O22H2O = 2H2 + O2
H2CO3(aq) =CO2(g) +H2O(l) H2CO3(aq) = CO2(g) + H2O(l)
H3PO3+Mg(HCO3)2=Mg3(PO3)2+CO2+H2O2H3PO3 + 3Mg(HCO3)2 = Mg3(PO3)2 + 6CO2 + 6H2O
H2CO3(aq) = CO2(g) +
H2O(l)H2CO3(aq) = CO2(g) + H2O(l)
HNO2(aq)=HNO3(aq)+NO(g)+H2O(l)3HNO2(aq) = HNO3(aq) + 2NO(g) + H2O(l)
HNO3 + H2S = NO + S +H2O 2HNO3 + 3H2S = 2NO + 3S + 4H2O
HNO3 + Zn = NH4NO3 + Zn (NO3)2 + H2O10HNO3 + 4Zn = NH4NO3 + 4Zn(NO3)2 + 3H2O
H2O+Al2O3=Al (OH)33H2O + Al2O3 = 2Al(OH)3
H2SO4+Ca (OH)2=H2O+CaSO4H2SO4 + Ca(OH)2 = 2H2O + CaSO4
H3PO4+Mg(OH)2=Mg3(PO4)2+H2O2H3PO4 + 3Mg(OH)2 = Mg3(PO4)2 + 6H2O
HC2H3O2 + O2 = H2O +
CO2HC2H3O2 + 2O2 = 2H2O + 2CO2
HC2H3O2 + O2 = H2O +
CO2HC2H3O2 + 2O2 = 2H2O + 2CO2
HClO4 + Ba(OH)2 = Ba(ClO4)2 + H2O2HClO4 + Ba(OH)2 = Ba(ClO4)2 + 2H2O
H2SO4 + Al(OH)3 = Al2(SO4)3 + HOH3H2SO4 + 2Al(OH)3 = Al2(SO4)3 + 6HOH
HCl + KMnO4 =Cl2 + MnO2 + 2H2O + KCl8HCl + 2KMnO4 = 3Cl2 + 2MnO2 + 4H2O + 2KCl
HCl + MnO2 = MnCl2 + H2O + Cl24HCl + MnO2 = MnCl2 + 2H2O + Cl2
H2SO4 + C = H2O + SO2 + CO22H2SO4 + C = 2H2O + 2SO2 + CO2
HCl + MnO2 = MnCl2 + H2O + Cl24HCl + MnO2 = MnCl2 + 2H2O + Cl2
HgO=Hg+O22HgO = 2Hg + O2
H2SO4 + C = H2O + SO2 + CO22H2SO4 + C = 2H2O + 2SO2 + CO2
H2+O2=H2O2H2 + O2 = 2H2O
HCl+Na=NaCl+H22HCl + 2Na = 2NaCl + H2
HNO2(aq)=HNO3(aq)+NO(g)+H2O(l)3HNO2(aq) = HNO3(aq) + 2NO(g) + H2O(l)
HNO2(aq)=HNO3(aq)+NO(g)+H2O(l)3HNO2(aq) = HNO3(aq) + 2NO(g) + H2O(l)
HIO + KI = KIO
+ H2O + I22HIO + KI = KIO + H2O + I2
HCl+NaHCO3=NaCl+CO2+H2OHCl + NaHCO3 = NaCl + CO2 + H2O
H2S+O2=H2O+SO22H2S + 3O2 = 2H2O + 2SO2
HNO3+Ca(OH)2=Ca(NO3)2+H2O2HNO3 + Ca(OH)2 = Ca(NO3)2 + 2H2O
H2+O2=H2O2H2 + O2 = 2H2O
SO4--8HO2- + SCN- = 4OH- + 2H2O + CO3-- + NO3- + SO4--
SO42-76HO2- + SCN- = 74OH- + H2O + CO32- + NO3- + SO42-
HCl+Mg=H2+Mg Cl22HCl + Mg = H2 + MgCl2
HNO3 (aq)+ LiOH (aq)=H2O (l)+ LiNO3(aq)HNO3(aq) + LiOH(aq) = H2O(l) + LiNO3(aq)
HNO3 (aq)+ LiOH (aq)=H2O (l)+ LiNO3(aq)HNO3(aq) + LiOH(aq) = H2O(l) + LiNO3(aq)
HNO3 (aq)+ LiOH (aq)
H2O (l)+ LiNO3(aq)HNO3(aq) + LiOH(aq) = H2O(l) + LiNO3(aq)
HCl+NaOH=NaCl+H2OHCl + NaOH = NaCl + H2O
H3PO4+KOH=K3PO4+H2OH3PO4 + 3KOH = K3PO4 + 3H2O
H2+O2=H2O2H2 + O2 = 2H2O
HCl+Zn=ZnCl2+H22HCl + Zn = ZnCl2 + H2
HCl(g) + O2(g) =H2O(l) + Cl2(g)4HCl(g) + O2(g) = 2H2O(l) + 2Cl2(g)
HC2H3O2+K2CO3=H2O+CO2+KC2H3O22HC2H3O2 + K2CO3 = H2O + CO2 + 2KC2H3O2
HC2H3O2(aq)+LiHSO3(aq)=H2O(l)+CO2(g)+LiCH3SO2(aq)HC2H3O2(aq) + LiHSO3(aq) = H2O(l) + CO2(g) + LiCH3SO2(aq)
H2 + O2 = H2O2H2 + O2 = 2H2O
H2SO4+NaOH=Na2SO4+H2OH2SO4 + 2NaOH = Na2SO4 + 2H2O
HNO3+NaOH =H2O+NaNO3HNO3 + NaOH = H2O + NaNO3
HNO2+KMnO4+H2SO4=HNO3+K2MnO4+K2SO4+H2O-1HNO2 - 2KMnO4 + H2SO4 = -1HNO3 - 2K2MnO4 + K2SO4 + H2O
HNO2+KMnO4+H2SO4=HNO3+K2MnO4+K2SO4+H2O-1HNO2 - 2KMnO4 + H2SO4 = -1HNO3 - 2K2MnO4 + K2SO4 + H2O
HNO2+KMnO4+H2SO4=HNO3+K2MnO4+K2SO4+H2O-1HNO2 - 2KMnO4 + H2SO4 = -1HNO3 - 2K2MnO4 + K2SO4 + H2O
HNO3 + H2S = NO + S + H2O2HNO3 + 3H2S = 2NO + 3S + 4H2O
HCl+O2=Cl2 + H2O4HCl + O2 = 2Cl2 + 2H2O
HIO3 + HI = I2 + H2OHIO3 + 5HI = 3I2 + 3H2O
H2O + CO2 = H2CO3H2O + CO2 = H2CO3
H2 + O2 = H2O2H2 + O2 = 2H2O
Hg + Cl = HgCl2Hg + 2Cl = HgCl2
H3PO4+Mg(OH)2=Mg3(PO4)2+ H2O2H3PO4 + 3Mg(OH)2 = Mg3(PO4)2 + 6H2O
H2C2O4 + NaOH = Na2C2O4 + H2OH2C2O4 + 2NaOH = Na2C2O4 + 2H2O
HOCL+NO2-=CL-+NO3-+H+HOCL + NO2- = CL- + NO3- + H+
HOCL+NO2-=CL-=NO3-+H+HOCL + NO2- = CL- + NO3- + H+
HClO4(l)+P2O5(s)=Cl2O7(l)+HPO3(s)2HClO4(l) + P2O5(s) = Cl2O7(l) + 2HPO3(s)
HOCl(aq)+HCl(aq)=H2O(l)+Cl2(g)HOCl(aq) + HCl(aq) = H2O(l) + Cl2(g)
H2SO4 + LiOH = Li2SO4 + H2OH2SO4 + 2LiOH = Li2SO4 + 2H2O
HBr+KSO3=HSO3+KBrHBr + KSO3 = HSO3 + KBr
H2SO4(aq) + V2O3(s) = V2(SO4)3 + H2O3H2SO4(aq) + V2O3(s) = V2(SO4)3 + 3H2O
H+ + Fe++ + IO4- = Fe+++ + I- + H2O8H+ + 8Fe++ + IO4- = 8Fe+++ + I- + 4H2O
H+ + Fe++ IO4- = Fe+++ + I- + H2O8H+ + 4Fe+ + IO4- = 4Fe+++ + I- + 4H2O
HCl+Ba(OH)= H2O+BaClHCl + Ba(OH) = H2O + BaCl
H2SO4 + NaCl = HCl + Na+ + HSO4-H2SO4 + NaCl = HCl + Na+ + HSO4-
H3O+CO3=CO2+H2O2H3O + CO3 = CO2 + 3H2O
H3O+OH=H2OH3O + OH = 2H2O
Hg+HNO3=Hg(NO3)2+NH4(NO3)+H2O4Hg + 10HNO3 = 4Hg(NO3)2 + NH4(NO3) + 3H2O
HCl + NaOH = NaCl + H2OHCl + NaOH = NaCl + H2O
H2O + SO3 = H2SO4H2O + SO3 = H2SO4
H2O + SO3 = H2SO4H2O + SO3 = H2SO4
H2 + O2 = H2O2H2 + O2 = 2H2O
H2(g) + O2(g) = 1H2O2H2(g) + O2(g) = 2H2O
HClO4(l)+P2O5(s)=Cl2O7(l)+HPO3(s)2HClO4(l) + P2O5(s) = Cl2O7(l) + 2HPO3(s)
HCl(g)+O2(g)=H2O(g)+Cl2(g)4HCl(g) + O2(g) = 2H2O(g) + 2Cl2(g)
HC2H3O2(aq)+K2CO3(aq)=H2O(l)+CO2(g)+KC2H3O2(aq)2HC2H3O2(aq) + K2CO3(aq) = H2O(l) + CO2(g) + 2KC2H3O2(aq)
H2+O2=H2O2H2 + O2 = 2H2O
+ Ba(OH)2(aq)
= BaCl2(aq)
+ H2O2HCl(aq) + Ba(OH)2(aq) = BaCl2(aq) + 2H2O
H2O2 = H2O + O22H2O2 = 2H2O + O2
H2S + SO4 = S + H2O4H2S + SO4 = 5S + 4H2O
H2O = H2 +O22H2O = 2H2 + O2
HSO3 + H2O = H3O + SO3HSO3 + H2O = H3O + SO3
HCl(aq)+MnO2(s)=MnCl2(aq)+Cl2(g)+H2O(l)4HCl(aq) + MnO2(s) = MnCl2(aq) + Cl2(g) + 2H2O(l)
HNO3(aq)+CaCO3(s)=Ca(NO3)2(aq)+H2O(l)+CO2(g)2HNO3(aq) + CaCO3(s) = Ca(NO3)2(aq) + H2O(l) + CO2(g)
H+ + CrO4-- + NO2- = Cr+++ +H2O + NO3-10H+ + 2CrO4-- + 3NO2- = 2Cr+++ + 5H2O + 3NO3-
H2O + Br- + Al+++ = Al + BrO3- + H+3H2O + Br- + 2Al+++ = 2Al + BrO3- + 6H+
H2+N2=NH33H2 + N2 = 2NH3
HCl + KMnO4 = Cl2 + MnO2 + H2O + KCl8HCl + 2KMnO4 = 3Cl2 + 2MnO2 + 4H2O + 2KCl
H3PO4+Mg(OH)2=Mg3(PO4)2+H2O2H3PO4 + 3Mg(OH)2 = Mg3(PO4)2 + 6H2O
HCl + Mg = H2Mg + Cl22HCl + Mg = H2Mg + Cl2
HNO3+H2S=NO2+H2O+S2HNO3 + H2S = 2NO2 + 2H2O + S
H2SO4+Ba(OH)2=BaSO4+H2OH2SO4 + Ba(OH)2 = BaSO4 + 2H2O
H2O2+KMnO4+H2SO4=K2SO4MnSO4+O2+H2O2H2O2 + 0KMnO4 + 0H2SO4 = 0K2SO4MnSO4 + O2 + 2H2O
HNO3=N2O5+H2O2HNO3 = N2O5 + H2O
H2S+Cl2=S8+HCl8H2S + 8Cl2 = S8 + 16HCl
H2+O2=H2O2H2 + O2 = 2H2O
H2(g) + Cl2(g)=2HCl(g)H2(g) + Cl2(g) = 2HCl(g)
H2+V2O5=V2O3+H2O2H2 + V2O5 = V2O3 + 2H2O
P44HPO3 + 12C = 2H2 + 12CO + P4
H2 + CO2 = CO + H2OH2 + CO2 = CO + H2O
HNO2+H2SO3=H2SO4+NO+H2O2HNO2 + H2SO3 = H2SO4 + 2NO + H2O
HNO3+KOH=KNO3+H2OHNO3 + KOH = KNO3 + H2O
H2SO4+NaOH=H2O+Na2SO4H2SO4 + 2NaOH = 2H2O + Na2SO4
H3PO4 (aq) + 3 LiOH (aq) = Li3PO4 (aq) + 3 H2O (l)H3PO4(aq) + 3LiOH(aq) = Li3PO4(aq) + 3H2O(l)
H2SO4 + H2O2 + ClO3- = ClO2 + H2O + HSO4-2H2SO4 - H2O2 + 2ClO3- = 2ClO2 + 0H2O + 2HSO4-
H2S + O2 = SO2 + H2O2H2S + 3O2 = 2SO2 + 2H2O
H2O+Na2SO3+2FeCl3=2FeCl2+HCl+Na2SO4H2O + Na2SO3 + 2FeCl3 = 2FeCl2 + 2HCl + Na2SO4
This program was created with a lot of help from:
(IMHO, one of the best computer science books ever written.)
(Hats off! What a great software product!)
(Made it possible for me to do this program in C#)
Browse Equations
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Please read my
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