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Mg(NO3)2 + H2SO4 = MgSO4 + 2(HNO3)
CuS + Na2O = CuO + Na2S =>
CuS + Na2O = CuO + Na2S
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
CH3COOH + MgSO4 = Mg(C2H3O2)2 + H2SO4 =>
2 CH3COOH + MgSO4 = Mg(C2H3O2)2 + H2SO4
HN4 = N4H =>
HN4 = N4H
Al(OH)3 + HBr = AlBr3 + H2O =>
Al(OH)3 + 3 HBr = AlBr3 + 3 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CaCl2 + H2SO4 = CaSO4 + HCl =>
CaCl2 + H2SO4 = CaSO4 + 2 HCl
NH4VO3 + H2SO4 + NaHSO3 = VO2 + (NH4)2SO4 + H2O + Na2SO4 =>
4 NH4VO3 + H2SO4 + 2 NaHSO3 = 4 VO2 + 2(NH4)2SO4 + 2 H2O + Na2SO4
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
CI2 + KI = KC + I2 =>
2 CI2 + 2 KI = 2 KC + 3 I2
S8(s) + F2(g) = SF6(g) =>
S8(s) + 24 F2(g) = 8 SF6(g)
Na + Au + Sn = Na7Au8Sn5 =>
7 Na + 8 Au + 5 Sn = Na7Au8Sn5
H12C26 + O2 = CO2 + H2O =>
H12C26 + 29 O2 = 26 CO2 + 6 H2O
K2Cr2O7 + NH3 + H2SO4 = K2SO4 + Cr2(SO4)3 + N2 + H2O =>
K2Cr2O7 + 2 NH3 + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + N2 + 7 H2O
H2S0 = H2S =>
H2S0 = H2S
CO2 + H2O = C2H5OH + O2 =>
2 CO2 + 3 H2O = C2H5OH + 3 O2
HI + Ba(CH3COO)2 = I + CH3COOH + Ba =>
2 HI + Ba(CH3COO)2 = 2 I + 2 CH3COOH + Ba
F2 + AlCl3 = AlF3 + Cl2 =>
3 F2 + 2 AlCl3 = 2 AlF3 + 3 Cl2
Cu + Na2SO4 = Na2O + SO2 + CuSO4 =>
Cu + 2 Na2SO4 = 2 Na2O + SO2 + CuSO4
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
Cl2(g) + NaBr(aq) = NaCl(aq) + Br2(l) =>
Cl2(g) + 2 NaBr(aq) = 2 NaCl(aq) + Br2(l)
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
Mn(OH)3 + HCl + KI = MnCl2 + I2 + KCl + H2O =>
2 Mn(OH)3 + 6 HCl + 2 KI = 2 MnCl2 + I2 + 2 KCl + 6 H2O
Al + FeO4 = Al2O3 + Fe =>
8 Al + 3 FeO4 = 4 Al2O3 + 3 Fe
Al(s) + Pb(NO3)2(aq) = Al(NO3)3(aq) + Pb(s) =>
2 Al(s) + 3 Pb(NO3)2(aq) = 2 Al(NO3)3(aq) + 3 Pb(s)
C3H6O2 + O2 = CO2 + H2O =>
2 C3H6O2 + 7 O2 = 6 CO2 + 6 H2O
KMnO4 + HCl = Cl2 + KCl + MnCl2 + H2O =>
2 KMnO4 + 16 HCl = 5 Cl2 + 2 KCl + 2 MnCl2 + 8 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
aluminum + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Co(CH3COO)2 = CH3COO + Co =>
Co(CH3COO)2 = 2 CH3COO + Co
CuCl2 + AgNO3 = Cu(NO3)2 + AgCl = =>
CuCl2 + 2 AgNO3 = Cu(NO3)2 + 2 AgCl
K3(Fe(SCN)6) + HCl = K3(Fe(SCN)6)HCl =>
K3(Fe(SCN)6) + HCl = K3(Fe(SCN)6)HCl
CrO3 + HF = CrO2F2 + H2O =>
CrO3 + 2 HF = CrO2F2 + H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
NaCl + H2SO4 = Cl + NaSO4 + H2S + H2O =>
4 NaCl + 5 H2SO4 = 4 Cl + 4 NaSO4 + H2S + 4 H2O
Fe + KOH + NO3 = Fe3O4 + KNO3 + H =>
3 Fe + 4 KOH + 4 NO3 = Fe3O4 + 4 KNO3 + 4 H
KIO3 + Cl = KClO3 + I2 =>
2 KIO3 + 2 Cl = 2 KClO3 + I2
H2SO2 + NiCl2 = HCl + NiSO2 =>
H2SO2 + NiCl2 = 2 HCl + NiSO2
Ni2S3 + O2 = Ni2O3 + SO2 =>
2 Ni2S3 + 9 O2 = 2 Ni2O3 + 6 SO2
HCl(aq) + Mg(s) = MgCl2(aq) + H2(g) =>
2 HCl(aq) + Mg(s) = MgCl2(aq) + H2(g)
CH3I + NO2 = CH3NO2 + I2 =>
2 CH3I + 2 NO2 = 2 CH3NO2 + I2
N2 + O2 = NO3 =>
N2 + 3 O2 = 2 NO3
K2O2 + H2O = KOH + H2O2 =>
K2O2 + 2 H2O = 2 KOH + H2O2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
N2 + H1 = NH3 =>
N2 + 6 H1 = 2 NH3
Li3N + NH4NO3 = LiNO3 + (NH4)3N =>
Li3N + 3 NH4NO3 = 3 LiNO3 + (NH4)3N
Co(NO3)2 + K4[Fe(CN)6] = Co2[Fe(CN)6] + KNO3 =>
2 Co(NO3)2 + K4[Fe(CN)6] = Co2[Fe(CN)6] + 4 KNO3
Cr{2+} + Pb{2} = Cr{3+} + Pb =>
2 Cr{2+} + Pb{2} = 2 Cr{3+} + Pb
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