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Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
Mg2C + H2O = Mg(OH)2 + CH4 =>
Mg2C + 4 H2O = 2 Mg(OH)2 + CH4
C7H12 + HBr = C5H7Br(CH3)2 =>
C7H12 + HBr = C5H7Br(CH3)2
Na2CO3(s) + HNO3(aq) = NaNO3(aq) + CO2(g) + H2O(l) =>
Na2CO3(s) + 2 HNO3(aq) = 2 NaNO3(aq) + CO2(g) + H2O(l)
CuO + Fe = Cu + Fe2O3 =>
3 CuO + 2 Fe = 3 Cu + Fe2O3
Mg2Si + HCl = MgCl2 + SiH4 =>
Mg2Si + 4 HCl = 2 MgCl2 + SiH4
Mg2 + HCl = MgHCl =>
Mg2 + 2 HCl = 2 MgHCl
N2 + O2 = NO =>
N2 + O2 = 2 NO
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
KNO3 + C12H22O11 = N2 + CO2 + H2O + K2CO3 =>
48 KNO3 + 5 C12H22O11 = 24 N2 + 36 CO2 + 55 H2O + 24 K2CO3
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
H2(g) + P4(s) = PH3(g) =>
6 H2(g) + P4(s) = 4 PH3(g)
H2 + I2 = HI =>
H2 + I2 = 2 HI
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
NaCl + CoCl2 = NaCl2 + CoCl =>
NaCl + CoCl2 = NaCl2 + CoCl
C4H7CCH3CH2 + HBr = C5H7Br(CH3)2 =>
C4H7CCH3CH2 + HBr = C5H7Br(CH3)2
V2O5 + HCl = VOCl3 + H2O =>
V2O5 + 6 HCl = 2 VOCl3 + 3 H2O
CO2 + C = CO =>
CO2 + C = 2 CO
Zn + CuSO4 = ZnSO4 + Cu =>
Zn + CuSO4 = ZnSO4 + Cu
NH3 + NO2 = N2 + H2O =>
8 NH3 + 6 NO2 = 7 N2 + 12 H2O
Na2CO3(aq) + CaCl2(aq) = CaCO3(s) + NaCl(aq) =>
Na2CO3(aq) + CaCl2(aq) = CaCO3(s) + 2 NaCl(aq)
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
Na2CO3 + H2SO4 = Na2SO4 + CO2 + H2O =>
Na2CO3 + H2SO4 = Na2SO4 + CO2 + H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Na2HPO4 = Na4P2O7 + H2O =>
2 Na2HPO4 = Na4P2O7 + H2O
Al(NO3)3 + NaOH = Al(OH)3 + NaNO3 =>
Al(NO3)3 + 3 NaOH = Al(OH)3 + 3 NaNO3
FeI3 + HClO4 + H2SO4 = HIO + HCl + Fe2(SO4)3 =>
4 FeI3 + 3 HClO4 + 6 H2SO4 = 12 HIO + 3 HCl + 2 Fe2(SO4)3
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Ca(HCO3)2 + H2SO4 = CaSO4 + H2O + CO2 =>
Ca(HCO3)2 + H2SO4 = CaSO4 + 2 H2O + 2 CO2
CaO + HNO3 = Ca(NO3)2 + H2O =>
CaO + 2 HNO3 = Ca(NO3)2 + H2O
Fe{2+} + Br2 = Fe{3+} + Br{-} =>
2 Fe{2+} + Br2 = 2 Fe{3+} + 2 Br{-}
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
HNO3 + Na2SO3 = H2O + SO2 + NaNO3 =>
2 HNO3 + Na2SO3 = H2O + SO2 + 2 NaNO3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CaSO4 + C = CaO + SO2 + CO2 =>
2 CaSO4 + C = 2 CaO + 2 SO2 + CO2
PbSO4 = PbSO3 + O2 =>
2 PbSO4 = 2 PbSO3 + O2
P4(s) + KOH(aq) + H2O(l) = PH3(g) + KH2PO2(aq) =>
P4(s) + 3 KOH(aq) + 3 H2O(l) = PH3(g) + 3 KH2PO2(aq)
PbSO4 = PbSO3 + O2 =>
2 PbSO4 = 2 PbSO3 + O2
WO2 + H2 = W + H2O =>
WO2 + 2 H2 = W + 2 H2O
CuCl2 + NaOH = Cu(OH)2 + NaCl =>
CuCl2 + 2 NaOH = Cu(OH)2 + 2 NaCl
CH4 + Cl2 = CHCl3 + HCl =>
CH4 + 3 Cl2 = CHCl3 + 3 HCl
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
CH4 + Cl2 = CHCl + HCl =>
CH4 + 2 Cl2 = CHCl + 3 HCl
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