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4 Ca + 10 HNO3 = 4 Ca(NO3)2 + N2O + 5 H2O
Na + HOH = NaO + H2 =>
Na + HOH = NaO + H2
O + C6H6 = CO2 + H2O =>
15 O + C6H6 = 6 CO2 + 3 H2O
Fe2O3(s) + C(s) = Fe + CO2 =>
2 Fe2O3(s) + 3 C(s) = 4 Fe + 3 CO2
NaOH + H2SO4 = Na(SO4) + H2O + H2 =>
2 NaOH + 2 H2SO4 = 2 Na(SO4) + 2 H2O + H2
NaF(aq) + Sr(CH3COO)2(aq) = Na(CH3COO)(aq) + SrF2(aq) =>
2 NaF(aq) + Sr(CH3COO)2(aq) = 2 Na(CH3COO)(aq) + SrF2(aq)
Na2CO3 + AgNO3 = NaNO3 + Ag2CO3 =>
Na2CO3 + 2 AgNO3 = 2 NaNO3 + Ag2CO3
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
C9H20 + O2 = CO2 + H2O =>
C9H20 + 14 O2 = 9 CO2 + 10 H2O
Li(s) + CH3Cl(g) = CH3Li + Cl2 =>
2 Li(s) + 2 CH3Cl(g) = 2 CH3Li + Cl2
CO + Fe2O3 = Fe + CO2 =>
3 CO + Fe2O3 = 2 Fe + 3 CO2
LI + H2O = LIOH + H2 =>
2 LI + 2 H2O = 2 LIOH + H2
H2SO4 + Pb(OH)4 = Pb(SO4)2 + H2O =>
2 H2SO4 + Pb(OH)4 = Pb(SO4)2 + 4 H2O
CH4 + Cl2 = CCl4 + HCl =>
CH4 + 4 Cl2 = CCl4 + 4 HCl
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
F2 + KI = KF + I2 =>
F2 + 2 KI = 2 KF + I2
PbO2 = PbO + O2 =>
2 PbO2 = 2 PbO + O2
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
Na + CaSO4 = Ca + NaSO4 =>
Na + CaSO4 = Ca + NaSO4
KI + FeCl2 = FeI + KCl2 =>
KI + FeCl2 = FeI + KCl2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Na + CaSO4 = Ca + NaSO4 =>
Na + CaSO4 = Ca + NaSO4
K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B
NH3 + O2 = N + H2O =>
4 NH3 + 3 O2 = 4 N + 6 H2O
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
HCOH + KMnO4 + H2SO4 = CO2 + K2SO4 + MnSO4 + H2O =>
5 HCOH + 4 KMnO4 + 6 H2SO4 = 5 CO2 + 2 K2SO4 + 4 MnSO4 + 11 H2O
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
AGNO3 + KBr = AGBr + KNO3 =>
AGNO3 + KBr = AGBr + KNO3
AgNO3 + KBr = AgBr + KNO3 =>
AgNO3 + KBr = AgBr + KNO3
BaOH2 + Na2CO3 = Na2OH2 + BaCO3 =>
BaOH2 + Na2CO3 = Na2OH2 + BaCO3
Cu + FeCl2 = CuCl3 + Fe =>
2 Cu + 3 FeCl2 = 2 CuCl3 + 3 Fe
Zn2I + Br = Zn2Br + I =>
Zn2I + Br = Zn2Br + I
Cu(NO3)2 + NH3 = Cu(NH3)2 + NO3 =>
Cu(NO3)2 + 2 NH3 = Cu(NH3)2 + 2 NO3
KO2 + H2SO4 = K2SO4 + H2O + O2 =>
4 KO2 + 2 H2SO4 = 2 K2SO4 + 2 H2O + 3 O2
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
KNO3 + FeCl2 + HCl = KCl + NO + FeCl3 + H2O =>
KNO3 + 3 FeCl2 + 4 HCl = KCl + NO + 3 FeCl3 + 2 H2O
H2S + O2 = H2O + SO2 =>
2 H2S + 3 O2 = 2 H2O + 2 SO2
MnO + O2 = MnO2 =>
2 MnO + O2 = 2 MnO2
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
Al2(SO4)3 + NaOH = Al(OH)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4
C8H14 + O2 = CO2 + H2O =>
2 C8H14 + 23 O2 = 16 CO2 + 14 H2O
MnO + O2 = MnO2 =>
2 MnO + O2 = 2 MnO2
C + S8 = CS2 =>
4 C + S8 = 4 CS2
Cr + S8 = Cr2S3 =>
16 Cr + 3 S8 = 8 Cr2S3
CU(OH)2 = CUO + H2O =>
CU(OH)2 = CUO + H2O
AgCl + NH3 = AgNH3 + Cl =>
AgCl + NH3 = AgNH3 + Cl
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