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2 Ca + O2 = 2 CaO
Cu(OH)2 + HCl = CuCl2 + H2O =>
Cu(OH)2 + 2 HCl = CuCl2 + 2 H2O
NaHCO3(s) + CH3COOH(aq) = CH3COONa(l) + H2O(l) + CO2(g) =>
NaHCO3(s) + CH3COOH(aq) = CH3COONa(l) + H2O(l) + CO2(g)
Tl2(SO4) + KI = TlI + K2(SO4) =>
Tl2(SO4) + 2 KI = 2 TlI + K2(SO4)
SnCl2 + BiCl3 + NaOH = Bi + Sn(OH)4 + NaCl =>
3 SnCl2 + 2 BiCl3 + 12 NaOH = 2 Bi + 3 Sn(OH)4 + 12 NaCl
Na3P + K2SO4 = Na2SO4 + K3P =>
2 Na3P + 3 K2SO4 = 3 Na2SO4 + 2 K3P
Sr(OH)2(aq) + HI(aq) = SrI2 + H2O =>
Sr(OH)2(aq) + 2 HI(aq) = SrI2 + 2 H2O
HCl(l) + Zn(s) = ZnCl(s) + H(g) =>
HCl(l) + Zn(s) = ZnCl(s) + H(g)
AgC2H3O2 + Fe2(SO4)3 = Ag2SO4 + Fe(C2H3O2)3 =>
6 AgC2H3O2 + Fe2(SO4)3 = 3 Ag2SO4 + 2 Fe(C2H3O2)3
ZnSO4 + Ba(NO3)2 = BaSO4 + Zn(NO3)2 =>
ZnSO4 + Ba(NO3)2 = BaSO4 + Zn(NO3)2
H + O2 = H2O =>
4 H + O2 = 2 H2O
Sb{3+} + I2 = Sb{5+} + I{-} =>
Sb{3+} + I2 = Sb{5+} + 2 I{-}
KNO2 + Ca = CaNO2 + K =>
KNO2 + Ca = CaNO2 + K
C6H6Cl6 + O2 = CO2 + HCl =>
C6H6Cl6 + 6 O2 = 6 CO2 + 6 HCl
NaBr + H2SO4 + KMnO4 = Br2 + K2SO4 + Na2SO4 + H2O + MnO2 =>
6 NaBr + 4 H2SO4 + 2 KMnO4 = 3 Br2 + K2SO4 + 3 Na2SO4 + 4 H2O + 2 MnO2
Zn + HNO = Zn(NO3)2 + N2 + H2O =>
Zn + 12 HNO = Zn(NO3)2 + 5 N2 + 6 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Cr = Cr207 =>
207 Cr = Cr207
C8H17NH2 + O2 = CO2 + H2O + N2 =>
4 C8H17NH2 + 51 O2 = 32 CO2 + 38 H2O + 2 N2
LiSO4 + Na2CO3 = Na2SO4 + LiCO3 =>
LiSO4 + Na2CO3 = Na2SO4 + LiCO3
RbCl + F = RbF + Cl =>
RbCl + F = RbF + Cl
CrO2 + H2SO4 = H2Cr2O7 + Cr2(SO4)3 + H2O =>
6 CrO2 + 6 H2SO4 = H2Cr2O7 + 2 Cr2(SO4)3 + 5 H2O
Mg(H2AsO3)2 + NaOH = Mg3(AsO3)2 + Na3AsO3 + H2O =>
3 Mg(H2AsO3)2 + 12 NaOH = Mg3(AsO3)2 + 4 Na3AsO3 + 12 H2O
CH3COOH + Co(OH)2 = CoH + CH3COO(OH)2 =>
CH3COOH + Co(OH)2 = CoH + CH3COO(OH)2
CaBr2 + Cl = CaCl2 + Br =>
CaBr2 + 2 Cl = CaCl2 + 2 Br
ZnO + H2O = Zn + HO =>
ZnO + H2O = Zn + 2 HO
SnO2 + S + Na2CO3 = Na2SnS3 + SO2 + CO2 =>
2 SnO2 + 9 S + 2 Na2CO3 = 2 Na2SnS3 + 3 SO2 + 2 CO2
HCl + Al2O3 = AlCl3 + H2O =>
6 HCl + Al2O3 = 2 AlCl3 + 3 H2O
C2H6 + O = CO2 + CH4 =>
2 C2H6 + 2 O = CO2 + 3 CH4
H3PO4 + Li2C = Li3PO4 + CH2 =>
2 H3PO4 + 3 Li2C = 2 Li3PO4 + 3 CH2
CuCl2(aq) + Na2SO4(aq) = CuSO4(aq) + NaCl(aq) =>
CuCl2(aq) + Na2SO4(aq) = CuSO4(aq) + 2 NaCl(aq)
HF + Sr = SrF + H2 =>
2 HF + 2 Sr = 2 SrF + H2
CaCO3 + C6H8O7 = CO2 + H2O + CaCO2 =>
9 CaCO3 + C6H8O7 = 6 CO2 + 4 H2O + 9 CaCO2
BrCN + H2O = HCN + OHBr =>
BrCN + H2O = HCN + OHBr
KMnO4 + CH3CHCH2OH + NaOH = CH3COOH + H2O + K2MnO4 + Na2MnO4 =>
10 KMnO4 + 2 CH3CHCH2OH + 10 NaOH = 3 CH3COOH + 6 H2O + 5 K2MnO4 + 5 Na2MnO4
K2CrO4 + Na2CrO4 + HCl = K2Cr2O7 + NaCl + H2O =>
K2CrO4 + Na2CrO4 + 2 HCl = K2Cr2O7 + 2 NaCl + H2O
FeSO4 + BaCl = BaSO4 + FeCl =>
FeSO4 + BaCl = BaSO4 + FeCl
H2O + Na2O = NaOH =>
H2O + Na2O = 2 NaOH
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
CrCl3 + NaOH = Cr(OH)3 + NaCl =>
CrCl3 + 3 NaOH = Cr(OH)3 + 3 NaCl
berylliumiodide + Sn(NO3)4 = berylliumnitrate + SnI4 =>
2 BeI2 + Sn(NO3)4 = 2 Be(NO3)2 + SnI4
KI + HgNO3 = KNO3 + HgI =>
KI + HgNO3 = KNO3 + HgI
K2SO3 + HBr = KBr + H2SO3 =>
K2SO3 + 2 HBr = 2 KBr + H2SO3
NH4Cl + C2O = NH3 + C2Cl2 + H2O =>
2 NH4Cl + C2O = 2 NH3 + C2Cl2 + H2O
Tl2S + HNO3 = Tl(NO3)3 + NO + H2O + S =>
Tl2S + 8 HNO3 = 2 Tl(NO3)3 + 2 NO + 4 H2O + S
Cr2O7{-2} + H3AsO3 + H{+} = H3AsO4 + Cr{+3} + H2O =>
Cr2O7{-2} + 3 H3AsO3 + 8 H{+} = 3 H3AsO4 + 2 Cr{+3} + 4 H2O
FeS3 + KMnO4 + H2SO4 = Fe2(SO4)3 + K2SO4 + MnSO4 + H2O =>
10 FeS3 + 42 KMnO4 + 48 H2SO4 = 5 Fe2(SO4)3 + 21 K2SO4 + 42 MnSO4 + 48 H2O
K2C2O4 + Fe(NO3)2 = Fe(C2O4) + KNO3 =>
K2C2O4 + Fe(NO3)2 = Fe(C2O4) + 2 KNO3
N2 + *3H3 = *2NH3 =>
3 N2 + 2*3H3 = 3*2NH3
K2CrO4 + NaHSO4 = Na2Cr2O7 + K2SO4 + H2O =>
2 K2CrO4 + 2 NaHSO4 = Na2Cr2O7 + 2 K2SO4 + H2O
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