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Na2CO3 + H2O = Na2HCO3 + OH
K + H2So3 = K2So3 + H2 =>
2 K + H2So3 = K2So3 + H2
C4H9OH + NaBr + H2SO4 = C4H9Br + NaHSO4 + H2O =>
C4H9OH + NaBr + H2SO4 = C4H9Br + NaHSO4 + H2O
HCl + HNO3 = NOCl + O2 + H2O =>
2 HCl + 2 HNO3 = 2 NOCl + O2 + 2 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Mg + AgCl = MgCl2 + Ag =>
Mg + 2 AgCl = MgCl2 + 2 Ag
(CH4) + O2 = CO2 + H2O =>
(CH4) + 2 O2 = CO2 + 2 H2O
Cl2 + O3 = Cl2O6 =>
Cl2 + 2 O3 = Cl2O6
C3H6O2 + H3O = C2H4O2 + CH4O =>
4 C3H6O2 + 4 H3O = 3 C2H4O2 + 6 CH4O
HNO3 + S = NO2 + H2SO4 + H2O =>
6 HNO3 + S = 6 NO2 + H2SO4 + 2 H2O
H2 + I2 = HI =>
H2 + I2 = 2 HI
Na2CO3 + H2O = NaOH + H2CO3 =>
Na2CO3 + 2 H2O = 2 NaOH + H2CO3
Al + HBr = AlBr + H =>
Al + HBr = AlBr + H
KMnO4 = MnO2 + K2MnO4 + O2 =>
2 KMnO4 = MnO2 + K2MnO4 + O2
P4 + Br2 = PBr3 =>
P4 + 6 Br2 = 4 PBr3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Mg(No3)2 + Na2SO4 = MgSO4 + NaNo3 =>
Mg(No3)2 + Na2SO4 = MgSO4 + 2 NaNo3
NaIO3 + NaHSO3 = NaHSO4 + Na2SO4 + H2O + I2 =>
2 NaIO3 + 5 NaHSO3 = 3 NaHSO4 + 2 Na2SO4 + H2O + I2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Fe + H2So4 = Fe2(So4)3 + H2 =>
2 Fe + 3 H2So4 = Fe2(So4)3 + 3 H2
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
LiCl + Br2 = LiBr + Cl2 =>
2 LiCl + Br2 = 2 LiBr + Cl2
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
PbO2 + HCl = PbCl2 + H2O + Cl2 =>
PbO2 + 4 HCl = PbCl2 + 2 H2O + Cl2
H2SO4 + CH3COOH = HSO4 + HCH3COOH =>
H2SO4 + CH3COOH = HSO4 + HCH3COOH
HCl + HNO3 = NOCl + O2 + H2O =>
2 HCl + 2 HNO3 = 2 NOCl + O2 + 2 H2O
CuSO4 + H2O = Cu(OH)2 + H2SO4 =>
CuSO4 + 2 H2O = Cu(OH)2 + H2SO4
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Au + HCl + HNO3 = AuCl3 + NO + H2O =>
Au + 3 HCl + HNO3 = AuCl3 + NO + 2 H2O
PbBr2 + HCl = HBr + PbCl2 =>
PbBr2 + 2 HCl = 2 HBr + PbCl2
KClO3 = KClO4 + KCl =>
4 KClO3 = 3 KClO4 + KCl
Cu + Cl = CuCl2 =>
Cu + 2 Cl = CuCl2
Na + CUSO4 = NaSO4 + CU =>
Na + CUSO4 = NaSO4 + CU
KMnO4 + NaC2O4 + H2SO4 = K2SO4 + CO2 + MnSO4 + Na2SO4 + H2O =>
2 KMnO4 + 10 NaC2O4 + 8 H2SO4 = K2SO4 + 20 CO2 + 2 MnSO4 + 5 Na2SO4 + 8 H2O
FeCl3 + K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + KCl =>
4 FeCl3 + 3 K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + 12 KCl
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
CH4 + H2S = CS + H2 =>
CH4 + H2S = CS + 3 H2
NaOH + Al2(SO4)3 = Na2SO4 + Al(OH)3 =>
6 NaOH + Al2(SO4)3 = 3 Na2SO4 + 2 Al(OH)3
PbO + C = CO2 + Pb =>
2 PbO + C = CO2 + 2 Pb
P4 + Cl2 = PCl3 =>
P4 + 6 Cl2 = 4 PCl3
ZNS(s) + O2(g) = ZNO(s) + SO2(g) =>
2 ZNS(s) + 3 O2(g) = 2 ZNO(s) + 2 SO2(g)
CoBr3 + CaSO4 = CaBr2 + Co2(SO4)3 =>
2 CoBr3 + 3 CaSO4 = 3 CaBr2 + Co2(SO4)3
NH3 + O2 = NO + H20 =>
20 NH3 + 10 O2 = 20 NO + 3 H20
K2SO4 + Ba(NO3)2 = KNO3 + BaSO4 =>
K2SO4 + Ba(NO3)2 = 2 KNO3 + BaSO4
C16H18O2 + O2 = CO2 + H2O =>
2 C16H18O2 + 39 O2 = 32 CO2 + 18 H2O
POCl3 + H2O = H3PO4 + HCl =>
POCl3 + 3 H2O = H3PO4 + 3 HCl
C6H3(CH3)3 + KMnO4 + KOH = C6H3(COOK)3 + H2O + K2MnO4 =>
C6H3(CH3)3 + 18 KMnO4 + 21 KOH = C6H3(COOK)3 + 15 H2O + 18 K2MnO4
AL + Br2 = ALBr2 =>
AL + Br2 = ALBr2
S + Ba(OH)2 = BaS + BaSO3 + H2O =>
3 S + 3 Ba(OH)2 = 2 BaS + BaSO3 + 3 H2O
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