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Al + 3 H2SO4 = Al(SO4)3 + 3 H2
C + FeO = FeCO =>
C + FeO = FeCO
Zn + AgNO3 = Zn(NO3)2 + Ag =>
Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag
Tl{+} + Br2 = Tl{3+} + Br{-} =>
Tl{+} + Br2 = Tl{3+} + 2 Br{-}
HBr + H2O2 = Br2 + H2O =>
2 HBr + H2O2 = Br2 + 2 H2O
Fe2(SO4)3 + KI = FeSO4 + I2 + K2SO4 =>
Fe2(SO4)3 + 2 KI = 2 FeSO4 + I2 + K2SO4
Cuso4*5H2O = Cuso4 + H2O =>
Cuso4*5H2O = Cuso4 + 5 H2O
Ca(OH)2(s) + HCl(aq) = CaCl2(aq) + H2O(l) =>
Ca(OH)2(s) + 2 HCl(aq) = CaCl2(aq) + 2 H2O(l)
Ch4 + Cl2 = Ch3Cl =>
3 Ch4 + 2 Cl2 = 4 Ch3Cl
CuOH = Cu2O + H2O =>
2 CuOH = Cu2O + H2O
CuO + H2 = Cu + H2O =>
CuO + H2 = Cu + H2O
Pb(NO3)4 + CaCl2 = PbCl4 + Ca(NO3)2 =>
Pb(NO3)4 + 2 CaCl2 = PbCl4 + 2 Ca(NO3)2
CH3CH(OH)CH2CH3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO2 + CH3(CO)CH2CH3 + H2O =>
5 CH3CH(OH)CH2CH3 + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO2 + 5 CH3(CO)CH2CH3 + 9 H2O
KBr + NH4OH = KOH + NH4Br =>
KBr + NH4OH = KOH + NH4Br
HNO3 + Cu(OH)2 = Cu(NO3)2 + H2O =>
2 HNO3 + Cu(OH)2 = Cu(NO3)2 + 2 H2O
C + MgO = MgCO =>
C + MgO = MgCO
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
C3H6O + O2 = CO2 + H2O =>
C3H6O + 4 O2 = 3 CO2 + 3 H2O
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
P + O2 = PO2 =>
P + O2 = PO2
FeO + HCl = FeCl2 + H2O =>
FeO + 2 HCl = FeCl2 + H2O
CH4 + O2 = CO2 + H20 =>
5 CH4 + 5 O2 = 5 CO2 + H20
Fe2(SO4)3 + KI = FeSO4 + I2 + K2SO4 =>
Fe2(SO4)3 + 2 KI = 2 FeSO4 + I2 + K2SO4
CaCO3 + CH3COOH = (CH3COO)2Ca + CO2 + H2O =>
CaCO3 + 2 CH3COOH = (CH3COO)2Ca + CO2 + H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
C2H12 + O2 = CO2 + H2O =>
C2H12 + 5 O2 = 2 CO2 + 6 H2O
N(CH2CH3)3 + H3B = [NH(CH2CH3)3] + H2B =>
N(CH2CH3)3 + H3B = [NH(CH2CH3)3] + H2B
Fe + H2O = FeO + H2 =>
Fe + H2O = FeO + H2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Mn + Ca(NO3)3 = Ca + Mn(NO3) =>
3 Mn + Ca(NO3)3 = Ca + 3 Mn(NO3)
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
HNO3 + NaOH = H2O + NaNO3 =>
HNO3 + NaOH = H2O + NaNO3
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Mn + Ca(NO3) = Ca + Mn(NO3)3 =>
Mn + 3 Ca(NO3) = 3 Ca + Mn(NO3)3
CuH2 + HBr = CuBr2 + HH =>
CuH2 + 2 HBr = CuBr2 + 2 HH
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
CA3(PO4)2 + SIO2 + C = CASIO3 + CO + P =>
CA3(PO4)2 + 3 SIO2 + 7 C = 3 CASIO3 + 5 CO + 2 P
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
CH3COOH + K = CH3COOK + H2 =>
2 CH3COOH + 2 K = 2 CH3COOK + H2
Ca + HNO3 = Ca(NO3)2 + NO + H2O =>
3 Ca + 8 HNO3 = 3 Ca(NO3)2 + 2 NO + 4 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
C + Mg = MgC =>
C + Mg = MgC
CH3COOH + Cl2 = CH2ClCOOH + HCl =>
CH3COOH + Cl2 = CH2ClCOOH + HCl
P + HJO3 + H2O = H3PO4 + HJ =>
6 P + 5 HJO3 + 9 H2O = 6 H3PO4 + 5 HJ
AGNO3 + NH4SCN = AGSCN + NH4NO3 =>
AGNO3 + NH4SCN = AGSCN + NH4NO3
Zn(OH)2 + H3AsO4 = Zn3(AsO4)2 + H2O =>
3 Zn(OH)2 + 2 H3AsO4 = Zn3(AsO4)2 + 6 H2O
P2O3 + HClO3 + H2O = H3PO4 + HCl =>
3 P2O3 + 2 HClO3 + 9 H2O = 6 H3PO4 + 2 HCl
H2O2 + KL = KOH + L2 =>
H2O2 + 2 KL = 2 KOH + L2
Ca(HCO3)2 = CaCO3 + CO2 + H2O =>
Ca(HCO3)2 = CaCO3 + CO2 + H2O
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