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ZnS = Zn + S
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
LI + H2O = LIOH + H2 =>
2 LI + 2 H2O = 2 LIOH + H2
MgCO3 + HCl = MgCl2 + CO2 + H2O =>
MgCO3 + 2 HCl = MgCl2 + CO2 + H2O
Cu + S = CuS =>
Cu + S = CuS
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
KMnO4 + H2S = S + MnO2 + K2S + H2O =>
2 KMnO4 + 4 H2S = 3 S + 2 MnO2 + K2S + 4 H2O
H2CrO4 + NaCl + NH4OH = Na2CrO4 + NH4Cl + H2O =>
H2CrO4 + 2 NaCl + 2 NH4OH = Na2CrO4 + 2 NH4Cl + 2 H2O
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
H2CrO4 + NaCl + NH4OH = Na2CrO4 + NH4Cl + H2O =>
H2CrO4 + 2 NaCl + 2 NH4OH = Na2CrO4 + 2 NH4Cl + 2 H2O
C + Al = Al4C3 =>
3 C + 4 Al = Al4C3
CaCO3(s) + HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq) =>
CaCO3(s) + 2 HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq)
AlBr3 + Cl = AlCl2 + Br =>
AlBr3 + 2 Cl = AlCl2 + 3 Br
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
BaCl + Cu2SO4 = BaSO4 + ClCu2 =>
BaCl + Cu2SO4 = BaSO4 + ClCu2
KMnO4 + K2SO3 + H2O = Mn(OH)4 + K2SO4 + KOH =>
2 KMnO4 + 3 K2SO3 + 5 H2O = 2 Mn(OH)4 + 3 K2SO4 + 2 KOH
NaOH + H3PO4 = H2O + Na3PO4 =>
3 NaOH + H3PO4 = 3 H2O + Na3PO4
NH4Cl + CaOH = NH3 + H2O + CaCl =>
NH4Cl + CaOH = NH3 + H2O + CaCl
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
NaBr + KMnO4 + H2O = Br2 + MnO2 + NaOH + KOH =>
6 NaBr + 2 KMnO4 + 4 H2O = 3 Br2 + 2 MnO2 + 6 NaOH + 2 KOH
Mg + HNO3 = Mg(NO3)2 + H2O + NO =>
3 Mg + 8 HNO3 = 3 Mg(NO3)2 + 4 H2O + 2 NO
Fe2O3 + C = Fe + CO =>
Fe2O3 + 3 C = 2 Fe + 3 CO
H2SO4 + LiOH = Li2SO4 + H2O =>
H2SO4 + 2 LiOH = Li2SO4 + 2 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
N2O3 + H2O = HNO2 =>
N2O3 + H2O = 2 HNO2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Fe + CuCl2 = FeCl2 + Cu =>
Fe + CuCl2 = FeCl2 + Cu
Ba2C + H2O = Ba(OH)2 + CH4 =>
Ba2C + 4 H2O = 2 Ba(OH)2 + CH4
Mg + HNO3 = Mg(NO3)2 + H2O + NO2 =>
Mg + 4 HNO3 = Mg(NO3)2 + 2 H2O + 2 NO2
HCl + MnO2 = MnCl2 + H2O + Cl =>
4 HCl + MnO2 = MnCl2 + 2 H2O + 2 Cl
SH + NH3 = NH4S =>
SH + NH3 = NH4S
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
C5H12 + O2 = CO2 + H20 =>
5 C5H12 + 25 O2 = 25 CO2 + 3 H20
P + HNO3 = H3PO4 + NO2 + H2O =>
P + 5 HNO3 = H3PO4 + 5 NO2 + H2O
Ni + H2SO4 = NiSO4 + S + H2O =>
3 Ni + 4 H2SO4 = 3 NiSO4 + S + 4 H2O
CH4 + Cl2 = CH3Cl + HCl =>
CH4 + Cl2 = CH3Cl + HCl
KMnO4 + H2SO4 = K2SO4 + MnSO4 + H2O + O =>
2 KMnO4 + 3 H2SO4 = K2SO4 + 2 MnSO4 + 3 H2O + 5 O
C2H6 = C2H4 + H2 =>
C2H6 = C2H4 + H2
Cu0 + HBr = CuBr2 + H20 =>
10 Cu0 + 20 HBr = 10 CuBr2 + H20
KMnO4 + H2S + Na2SO3 = MnSO4 + S + NaOH + KSO4 =>
KMnO4 + 4 H2S + 4 Na2SO3 = MnSO4 + 6 S + 8 NaOH + KSO4
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
CH3Cl + Na = C2H6 + NaCl =>
2 CH3Cl + 2 Na = C2H6 + 2 NaCl
NaOH + HCl = NaCl + HOH =>
NaOH + HCl = NaCl + HOH
MnO2 + Na2CO3 + KNO3 = Na4O5Mn + CO2 + K + N =>
3 MnO2 + 6 Na2CO3 + KNO3 = 3 Na4O5Mn + 6 CO2 + K + N
CaCO3(heat) = CaO + CO2 =>
CaCO3(heat) = CaO + CO2
MnO2 + Na2CO3 + KNO3 = Na4O5Mn + CO2 + K + N2 =>
6 MnO2 + 12 Na2CO3 + 2 KNO3 = 6 Na4O5Mn + 12 CO2 + 2 K + N2
NaClO4 + Te = NaClO3 + TeO2 =>
2 NaClO4 + Te = 2 NaClO3 + TeO2
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
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