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2 ZnSO4 + 2 H2O = (ZnOH)2SO4 + H2SO4
Sn(s) + I2(s) = SnI2 =>
Sn(s) + I2(s) = SnI2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NiNO32 + CuSO4 = NiSO4 + CuNO32 =>
NiNO32 + CuSO4 = NiSO4 + CuNO32
HNO3 + C31H64 = N2 + CO2 + H2O =>
188 HNO3 + 5 C31H64 = 94 N2 + 155 CO2 + 254 H2O
K2[PbCl4] + K2S2O3 = K2[Pb(S2O3)2] + KCl =>
K2[PbCl4] + 2 K2S2O3 = K2[Pb(S2O3)2] + 4 KCl
H2SO4(aq) + NaNO2(aq) = HNO2(aq) + Na2SO4(s) =>
H2SO4(aq) + 2 NaNO2(aq) = 2 HNO2(aq) + Na2SO4(s)
Mg3N2 + KOH = Mg(OH)2 + K3N =>
Mg3N2 + 6 KOH = 3 Mg(OH)2 + 2 K3N
AlN = Al + N2 =>
2 AlN = 2 Al + N2
Na2HPO4(aq) + FeCl3(aq) = FePO4(s) + NaH2PO4(aq) + NaCl(aq) =>
2 Na2HPO4(aq) + FeCl3(aq) = FePO4(s) + NaH2PO4(aq) + 3 NaCl(aq)
CH3COOH + Cu(HCO3)2 = Cu(CH3COO)2 + H2O + CO2 =>
2 CH3COOH + Cu(HCO3)2 = Cu(CH3COO)2 + 2 H2O + 2 CO2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
H3CO4 + Ca(OH)2 = Ca3(CO4)2 + H2O =>
2 H3CO4 + 3 Ca(OH)2 = Ca3(CO4)2 + 6 H2O
(NH4)2Cr2O7 + NaHCO3 = NH4HCO3 + Na2Cr2O7 =>
(NH4)2Cr2O7 + 2 NaHCO3 = 2 NH4HCO3 + Na2Cr2O7
ZnCu(OH)2 = Zn(OH)2Cu =>
ZnCu(OH)2 = Zn(OH)2Cu
C9H20 + O2 = CO2 + H2O =>
C9H20 + 14 O2 = 9 CO2 + 10 H2O
AlCl3 + H2S = Al2S3 + HCl =>
2 AlCl3 + 3 H2S = Al2S3 + 6 HCl
MgO + C = Mg + CO2 =>
2 MgO + C = 2 Mg + CO2
Mn + H2O = H2 + Mn(OH)2 =>
Mn + 2 H2O = H2 + Mn(OH)2
MgSO4 + NaOH = Mg(OH)2 + Na2SO4 =>
MgSO4 + 2 NaOH = Mg(OH)2 + Na2SO4
D2 + O2 = D2O =>
2 D2 + O2 = 2 D2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
C6H4 + O2 = CO2 + H2O =>
C6H4 + 7 O2 = 6 CO2 + 2 H2O
NH4NO3 + S = SO2 + NO + NH3 =>
6 NH4NO3 + 7 S = 7 SO2 + 4 NO + 8 NH3
NH4Br + KCl = NH4Cl + KBr =>
NH4Br + KCl = NH4Cl + KBr
HCl + Li3PO4 = LiCl + H3PO4 =>
3 HCl + Li3PO4 = 3 LiCl + H3PO4
H2O2(g) = O2(g) + H2 =>
H2O2(g) = O2(g) + H2
CuSO4 + Fe(OH)3 = Cu(OH)2 + Fe2(SO4)3 =>
3 CuSO4 + 2 Fe(OH)3 = 3 Cu(OH)2 + Fe2(SO4)3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Na2S + Na2CrO4 + H2O = NaCrO2 + Na2SO4 + NaOH =>
3 Na2S + 8 Na2CrO4 + 4 H2O = 8 NaCrO2 + 3 Na2SO4 + 8 NaOH
Cu3Zn + HCl = ZnCl + Cu + H2 =>
2 Cu3Zn + 2 HCl = 2 ZnCl + 6 Cu + H2
AgNO3 + KCl = AgCl + KNO3 =>
AgNO3 + KCl = AgCl + KNO3
Fe + CU(SO4) = CU + Fe(SO4) =>
Fe + CU(SO4) = CU + Fe(SO4)
Mg(ClO)2 + Na3PO4 = Mg3(PO4)2 + NaClO =>
3 Mg(ClO)2 + 2 Na3PO4 = Mg3(PO4)2 + 6 NaClO
CrCl3 + K2CrO4 = CrCrO4 + K2Cl3 =>
CrCl3 + K2CrO4 = CrCrO4 + K2Cl3
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
NaOH + Mg + HOH = Na2[Mg(OH)4] + H2 =>
2 NaOH + Mg + 2 HOH = Na2[Mg(OH)4] + H2
C6H6NH2 + CH3CH2Cl = C6H6NHCH2CH3 + HCl =>
C6H6NH2 + CH3CH2Cl = C6H6NHCH2CH3 + HCl
Sn + HF = H2 + Sn2F =>
4 Sn + 2 HF = H2 + 2 Sn2F
Ba(No3)2 + KCl = BaCl2 + KNo3 =>
Ba(No3)2 + 2 KCl = BaCl2 + 2 KNo3
CaCO3 + ClH = CO2 + Cl2Ca + H2O =>
CaCO3 + 2 ClH = CO2 + Cl2Ca + H2O
Zn(OH)2 + Mg(OH)2 = MgZnO2 + H2O =>
Zn(OH)2 + Mg(OH)2 = MgZnO2 + 2 H2O
Fe(NO3)3 + NaOH = Fe(OH)3 + NaNO3 =>
Fe(NO3)3 + 3 NaOH = Fe(OH)3 + 3 NaNO3
CrOH3 + HNO3 = CrNO2 + H2O =>
CrOH3 + HNO3 = CrNO2 + 2 H2O
Be + O2 = BeO =>
2 Be + O2 = 2 BeO
KCIO3 = KCI + O2 =>
2 KCIO3 = 2 KCI + 3 O2
HCl + Na2SO4 = NaCl + H2SO4 =>
2 HCl + Na2SO4 = 2 NaCl + H2SO4
BaCrO4 + HCl = CrCl2 + BaCl2 + Cl2 + H2O =>
BaCrO4 + 8 HCl = CrCl2 + BaCl2 + 2 Cl2 + 4 H2O
Mn + H2O = MnO2 + H{+} + e =>
Mn + 2 H2O = MnO2 + 4 H{+} + 4e
Al(s) + KOH(aq) + H2O = KAl(OH)4(aq) + H2 =>
2 Al(s) + 2 KOH(aq) + 6 H2O = 2 KAl(OH)4(aq) + 3 H2
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