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Ca(OH)2 + CO2 = CaCO3 + H2O
Hg + O = Hg2O =>
2 Hg + O = Hg2O
Zn(s) + N2(g) = Zn3N2(s) =>
3 Zn(s) + N2(g) = Zn3N2(s)
Cu(NO3)2(aq) + K(s) = K(NO3)(aq) + Cu(s) =>
Cu(NO3)2(aq) + 2 K(s) = 2 K(NO3)(aq) + Cu(s)
Co + HCl = CoCl2 + H2 =>
Co + 2 HCl = CoCl2 + H2
BaO4 + H2O = Ba(OH)2 + O2 =>
2 BaO4 + 2 H2O = 2 Ba(OH)2 + 3 O2
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
KI + K2Cr2O7 + H2O = Cr2O3 + KOH + I2 =>
6 KI + K2Cr2O7 + 4 H2O = Cr2O3 + 8 KOH + 3 I2
I2 + ClO3{-} = IO3{-} + Cl2 =>
I2 + 2 ClO3{-} = 2 IO3{-} + Cl2
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Li2O + CO2 = Li2CO3 =>
Li2O + CO2 = Li2CO3
SnO + C = Sn + CO2 =>
2 SnO + C = 2 Sn + CO2
SnCl4 + H2O = SnCl2 + HCl + O3 =>
3 SnCl4 + 3 H2O = 3 SnCl2 + 6 HCl + O3
Mg(ClO3)2 = MgCl2 + O2 =>
Mg(ClO3)2 = MgCl2 + 3 O2
P + O2 = P4O10 =>
4 P + 5 O2 = P4O10
K3[Cr(OH)6] + Br2 + KOH = K2CrO4 + H2O + KBr =>
2 K3[Cr(OH)6] + 3 Br2 + 4 KOH = 2 K2CrO4 + 8 H2O + 6 KBr
NaClKHSO4 = KNaSO4HCl =>
NaClKHSO4 = KNaSO4HCl
MgBr2 + AgNO3 = AgBr + Mg(NO3)2 =>
MgBr2 + 2 AgNO3 = 2 AgBr + Mg(NO3)2
FeCr2O4 + O2 + Na2CO3 = Fe2O3 + Na2CrO4 + CO2 =>
4 FeCr2O4 + 7 O2 + 8 Na2CO3 = 2 Fe2O3 + 8 Na2CrO4 + 8 CO2
Mg(s) + ZnCl(aq) = Zn2(g) + MgCl2(aq) =>
Mg(s) + 2 ZnCl(aq) = Zn2(g) + MgCl2(aq)
NaOCl + H2S = NaCl + S + H2O =>
NaOCl + H2S = NaCl + S + H2O
C6H12O6 + NaOH = C5H11O5COOH + NaH =>
C6H12O6 + NaOH = C5H11O5COOH + NaH
ZnCO3 + HI = ZnI2 + CO2 + H2O =>
ZnCO3 + 2 HI = ZnI2 + CO2 + H2O
Cl + BaI = ClBa + I =>
Cl + BaI = ClBa + I
CaCO3 + H2O + CO2 = Ca(HCO3)2 =>
CaCO3 + H2O + CO2 = Ca(HCO3)2
Al + NH4ClO4 = Al2O3 + AlCl3 + H2O + N2 =>
10 Al + 6 NH4ClO4 = 4 Al2O3 + 2 AlCl3 + 12 H2O + 3 N2
Sc + HBr = ScBr + H2 =>
2 Sc + 2 HBr = 2 ScBr + H2
Na2CO3 + MgSO4(H2O)7 = MgCO3(H2O)3 + Na2SO4 + H2O =>
Na2CO3 + MgSO4(H2O)7 = MgCO3(H2O)3 + Na2SO4 + 4 H2O
FeS + Na2CO3 = FeO + Na2O + CO + SO3 =>
FeS + 4 Na2CO3 = FeO + 4 Na2O + 4 CO + SO3
C7H6O3 + CH3OH = C8H8O3 + H2O =>
C7H6O3 + CH3OH = C8H8O3 + H2O
Ca(Cl)2 + H2O = Ca(OH)2 + HCl =>
Ca(Cl)2 + 2 H2O = Ca(OH)2 + 2 HCl
LiOH + SO2 = LiSO3 + H =>
LiOH + SO2 = LiSO3 + H
Al + NH4ClO4 = Al2O3 + AlCl3 + H2O + N2 =>
10 Al + 6 NH4ClO4 = 4 Al2O3 + 2 AlCl3 + 12 H2O + 3 N2
Rb4 + RbNO3 = Rb2O + N2 =>
5 Rb4 + 4 RbNO3 = 12 Rb2O + 2 N2
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
RuCl3 + C6H11NH2 + Cl2CHCOOH = Ru2(C2O4)3(C6H11N(CH3)2)2 + C2H4Cl2 + Cl =>
2 RuCl3 + 2 C6H11NH2 + 6 Cl2CHCOOH = Ru2(C2O4)3(C6H11N(CH3)2)2 + C2H4Cl2 + 16 Cl
Ag + HNO3 = AgNO3 + NO + H2O =>
3 Ag + 4 HNO3 = 3 AgNO3 + NO + 2 H2O
Mn + S = MnS =>
Mn + S = MnS
Ca(CH3COO)2 + H2O = Ca(OH)2 + CH3COOH =>
Ca(CH3COO)2 + 2 H2O = Ca(OH)2 + 2 CH3COOH
NO2 + FeCl2 + HCl = NO + FeCl3 + H2O =>
NO2 + 2 FeCl2 + 2 HCl = NO + 2 FeCl3 + H2O
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
K2CrO4 + NaOH = NaCrO4 + K2OH =>
K2CrO4 + NaOH = NaCrO4 + K2OH
Ca(CH3COO)2 + H2O = Ca(OH)2 + CH3COOH =>
Ca(CH3COO)2 + 2 H2O = Ca(OH)2 + 2 CH3COOH
C5H9O + O2 = CO2 + H2O =>
4 C5H9O + 27 O2 = 20 CO2 + 18 H2O
Ca(NO3)2(aq) + Na2SO4(aq) = CaSO4(s) + NaNO3(aq) =>
Ca(NO3)2(aq) + Na2SO4(aq) = CaSO4(s) + 2 NaNO3(aq)
CaC2 + H2O + CO2 = CH2CHCO2H + Ca(OH)2 =>
6 CaC2 + 16 H2O + 3 CO2 = 5 CH2CHCO2H + 6 Ca(OH)2
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
Cl + H = HCl =>
Cl + H = HCl
CaCl2 + H2O = CaO + HCl =>
CaCl2 + H2O = CaO + 2 HCl
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