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H2O = 2 H + O
NaBr + Cl2 = NaCl + Br2 =>
2 NaBr + Cl2 = 2 NaCl + Br2
Fe + NaOH = Fe(OH)3 + Na =>
Fe + 3 NaOH = Fe(OH)3 + 3 Na
Cr2S3 + Mn(NO3)2 + Na2CO3 = Na2CrO4 + Na2MnO4 + Na2SO4 + NO + CO2 =>
Cr2S3 + 15 Mn(NO3)2 + 20 Na2CO3 = 2 Na2CrO4 + 15 Na2MnO4 + 3 Na2SO4 + 30 NO + 20 CO2
NaO + SO3 = NaSO4 =>
NaO + SO3 = NaSO4
Ca(s) + O2(g) = CaO(s) =>
2 Ca(s) + O2(g) = 2 CaO(s)
K2Cr2O7 + H2SO4 + NaI = NaSO4 + K2SO4 + I2 + Cr2(SO4)3 + H2O =>
2 K2Cr2O7 + 14 H2SO4 + 6 NaI = 6 NaSO4 + 2 K2SO4 + 3 I2 + 2 Cr2(SO4)3 + 14 H2O
Na(s) + H2O(l) = H2(g) + NaOH(aq) =>
2 Na(s) + 2 H2O(l) = H2(g) + 2 NaOH(aq)
Hg2Cl2 + NaOH = Hg + HgO + H2O + NaCl =>
Hg2Cl2 + 2 NaOH = Hg + HgO + H2O + 2 NaCl
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
AL + I = ALI =>
AL + I = ALI
NaO + SO3 = NaSO4 =>
NaO + SO3 = NaSO4
GO + H2N4 = G + H2O + N =>
GO + H2N4 = G + H2O + 4 N
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
Zn(s) + HCl(aq) = H2(g) + ZnCl2(aq) =>
Zn(s) + 2 HCl(aq) = H2(g) + ZnCl2(aq)
Fe2(SO4)3 + Ba(NO3)2 = Fe(NO3)3 + BaSO4 =>
Fe2(SO4)3 + 3 Ba(NO3)2 = 2 Fe(NO3)3 + 3 BaSO4
AL + I = ALI =>
AL + I = ALI
AgNO3 + KI = AgI + KNO3 =>
AgNO3 + KI = AgI + KNO3
Mg + HCl = H2 + MgCl2 =>
Mg + 2 HCl = H2 + MgCl2
MgCO3 = MgO + CO2 =>
MgCO3 = MgO + CO2
KI(aq) + Cl2(g) = KCl(aq) + I2(s) =>
2 KI(aq) + Cl2(g) = 2 KCl(aq) + I2(s)
GO + H2N4 = G + H2O + N =>
GO + H2N4 = G + H2O + 4 N
Fe + Na = FeNa =>
Fe + Na = FeNa
Mg + HCl = H2 + MgCl2 =>
Mg + 2 HCl = H2 + MgCl2
Al + I = AlI =>
Al + I = AlI
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Cr2S3 + HCl = CrCl3 + H2S =>
Cr2S3 + 6 HCl = 2 CrCl3 + 3 H2S
SnCl2 + K2Cr2O7 + HCl = SnCl4 + CrCl3 + KCl + H2O =>
3 SnCl2 + K2Cr2O7 + 14 HCl = 3 SnCl4 + 2 CrCl3 + 2 KCl + 7 H2O
(NH4)2Cr2O7(s) = N2(g) + H2O(g) + Cr2O3(s) =>
(NH4)2Cr2O7(s) = N2(g) + 4 H2O(g) + Cr2O3(s)
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Fe + Na2O = FeO + Na =>
Fe + Na2O = FeO + 2 Na
HCl + Ba(OH)2 = BaCl2 + H2O =>
2 HCl + Ba(OH)2 = BaCl2 + 2 H2O
C + S8 = CS2 =>
4 C + S8 = 4 CS2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Pb(NO3)2(aq) + K2CrO4(aq) = PbCrO4(s) + KNO3(aq) =>
Pb(NO3)2(aq) + K2CrO4(aq) = PbCrO4(s) + 2 KNO3(aq)
Ca + O = CaO =>
Ca + O = CaO
Cl2 + NaBr = Br2 + NaCl =>
Cl2 + 2 NaBr = Br2 + 2 NaCl
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
AlO3 + C = Al + CO2 =>
2 AlO3 + 3 C = 2 Al + 3 CO2
BaCl2(aq) + H2SO4(aq) = BaSO4(s) + HCl(aq) =>
BaCl2(aq) + H2SO4(aq) = BaSO4(s) + 2 HCl(aq)
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Al2O3 + C = Al + CO =>
Al2O3 + 3 C = 2 Al + 3 CO
C10H16 + Cl2 = C + HCl =>
C10H16 + 8 Cl2 = 10 C + 16 HCl
Cu + HCl = CuCl + H =>
Cu + HCl = CuCl + H
FeCrO4 + K2CO3 + O2 = K2CrO4 + Fe2O3 + CO2 =>
4 FeCrO4 + 4 K2CO3 + O2 = 4 K2CrO4 + 2 Fe2O3 + 4 CO2
Mg(s) + O2(g) = MgO(s) =>
2 Mg(s) + O2(g) = 2 MgO(s)
Cu + HCl = CuCl + H =>
Cu + HCl = CuCl + H
K2ClO4 + HI + H2SO4 = HCl + KHSO4 + I2 + H2O =>
2 K2ClO4 + 14 HI + 4 H2SO4 = 2 HCl + 4 KHSO4 + 7 I2 + 8 H2O
Na2SO3 + KMnO4 + H2O = Na2SO4 + MnO2 + KOH =>
3 Na2SO3 + 2 KMnO4 + H2O = 3 Na2SO4 + 2 MnO2 + 2 KOH
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