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K2Cr2O7 + 3 K2SO3 + 4 H2SO4 = Cr2(SO4)3 + 4 K2SO4 + 4 H2O
F2 + KBr = KF + Br2 =>
F2 + 2 KBr = 2 KF + Br2
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
Na2O + HCl = NaCl + H2O =>
Na2O + 2 HCl = 2 NaCl + H2O
CH3CH2OH + Cr2O7{2-} + H{+} = CH3COOH + Cr{3+} + H2O =>
3 CH3CH2OH + 2 Cr2O7{2-} + 16 H{+} = 3 CH3COOH + 4 Cr{3+} + 11 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
HNO3 = H2O + NO2 + O2 =>
4 HNO3 = 2 H2O + 4 NO2 + O2
FeS2 + O2 = Fe2O2 + SO3 =>
2 FeS2 + 7 O2 = Fe2O2 + 4 SO3
HCl + MgSe = H2Se + MgCl2 =>
2 HCl + MgSe = H2Se + MgCl2
HNO3 = NO2 + H2O + O2 =>
4 HNO3 = 4 NO2 + 2 H2O + O2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
SO2 + KMnO4 + H2O = H2SO4 + K2SO4 + MnSO4 =>
5 SO2 + 2 KMnO4 + 2 H2O = 2 H2SO4 + K2SO4 + 2 MnSO4
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
Na3PO4 + MgCl2 = Mg3(PO4)2 + NaCl =>
2 Na3PO4 + 3 MgCl2 = Mg3(PO4)2 + 6 NaCl
Mn + HNO3 = Mn(NO3)2 + NO + H2O =>
3 Mn + 8 HNO3 = 3 Mn(NO3)2 + 2 NO + 4 H2O
NaBrO3 + H2SO4 = HBrO3 + Na2SO4 =>
2 NaBrO3 + H2SO4 = 2 HBrO3 + Na2SO4
Na2CO3 = Na2O + CO2 =>
Na2CO3 = Na2O + CO2
Mg + O = MgO =>
Mg + O = MgO
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
(NH4)2Cr2O7 + H2SO4 + H20 = NH4Cr(SO4)2 + H2O =>
10(NH4)2Cr2O7 + 40 H2SO4 + 3 H20 = 20 NH4Cr(SO4)2 + 70 H2O
CH3COOH + LIOH = H2O + LICH3COO =>
CH3COOH + LIOH = H2O + LICH3COO
(NH4)2Cr2O7 + H2SO4 + H20 = NH4Cr(SO4)2 + H2O =>
10(NH4)2Cr2O7 + 40 H2SO4 + 3 H20 = 20 NH4Cr(SO4)2 + 70 H2O
Fe3O4 + KMnO4 + H2SO4 = Fe(SO4)3 + K2SO4 + MnSO4 + H2O =>
Fe3O4 + 2 KMnO4 + 12 H2SO4 = 3 Fe(SO4)3 + K2SO4 + 2 MnSO4 + 12 H2O
Ge + NaOH + H2O2 = Na2[Ge(OH)6] =>
Ge + 2 NaOH + 2 H2O2 = Na2[Ge(OH)6]
Ca(HCO3)2 + HNO3 = Ca(NO3)2 + H2O + CO2 =>
Ca(HCO3)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O + 2 CO2
Zn + HNO3 = Zn(NO3)2 + NH4NO3 + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + NH4NO3 + 3 H2O
Zn(s) + MgBr2(aq) = Mg(s) + ZnBr2(s) =>
Zn(s) + MgBr2(aq) = Mg(s) + ZnBr2(s)
C8H16O2(s) + O2(g) = CO2 + H2O =>
C8H16O2(s) + 11 O2(g) = 8 CO2 + 8 H2O
C6H12O6 = C2H5OH + CO2 =>
C6H12O6 = 2 C2H5OH + 2 CO2
C + HNO3 = CO2 + H2O + NO2 =>
C + 4 HNO3 = CO2 + 2 H2O + 4 NO2
Mg + ZnSO4 = MgSO4 + Zn =>
Mg + ZnSO4 = MgSO4 + Zn
Mg(s) + ZnSO4(aq) = MgSO4 + Zn =>
Mg(s) + ZnSO4(aq) = MgSO4 + Zn
NaOH + NH4Cl = NaCl + NH4OH =>
NaOH + NH4Cl = NaCl + NH4OH
Mg(s) + ZnSO4(aq) = MgSO4(aq) + Zn =>
Mg(s) + ZnSO4(aq) = MgSO4(aq) + Zn
Mg(s) + ZnSO4(aq) = MgSO4(aq) + Zn(s) =>
Mg(s) + ZnSO4(aq) = MgSO4(aq) + Zn(s)
NH{4}NO{3} = N{2}O + H{2}O =>
NH{4}NO{3} = N{2}O + H{2}O
C7H8 + KMnO4 = C6H5COOK + MnO2 + KOH + H2O =>
C7H8 + 2 KMnO4 = C6H5COOK + 2 MnO2 + KOH + H2O
Mg(s) + ZnSO4(aq) = MgSO4(s) + Zn(s) =>
Mg(s) + ZnSO4(aq) = MgSO4(s) + Zn(s)
S + HNO3 = H2SO4 + H2O + NO2 =>
S + 6 HNO3 = H2SO4 + 2 H2O + 6 NO2
KMnO4 + Na2SO3 + H2SO4 = MnSO4 + K2SO4 + Na2SO4 + H2O =>
2 KMnO4 + 5 Na2SO3 + 3 H2SO4 = 2 MnSO4 + K2SO4 + 5 Na2SO4 + 3 H2O
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
CuCO3 = CuO + CO2 =>
CuCO3 = CuO + CO2
HNO3 + KOH = H2O + KNO3 =>
HNO3 + KOH = H2O + KNO3
KIO3 + K2SnO2 = KI + K2 + SnO3 =>
KIO3 + 3 K2SnO2 = KI + 3 K2 + 3 SnO3
H3O + Ca(OH)2 = Ca + H2O =>
2 H3O + Ca(OH)2 = Ca + 4 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Al4C3 + H2O = Al(OH)3 + CH4 =>
Al4C3 + 12 H2O = 4 Al(OH)3 + 3 CH4
HCl + NaOH = H2O + NaCl =>
HCl + NaOH = H2O + NaCl
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