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4 Ca + 10 HNO3 = 4 Ca(NO3)2 + N2O + 5 H2O
Na2SO4 + BaCl2 = BaSO4 + NaCl =>
Na2SO4 + BaCl2 = BaSO4 + 2 NaCl
MgSO3 = MgO + SO2 =>
MgSO3 = MgO + SO2
NH4NO3 + NaOH = NaNO3 + NH4OH =>
NH4NO3 + NaOH = NaNO3 + NH4OH
FE + Cl2 = FECl3 =>
2 FE + 3 Cl2 = 2 FECl3
C3H8(g) + O2(g) = CO2(g) + H2O(g) =>
C3H8(g) + 5 O2(g) = 3 CO2(g) + 4 H2O(g)
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
NaOH + CO2 = H2O + Na2CO3 =>
2 NaOH + CO2 = H2O + Na2CO3
CH3CH2OH + O2 = H2O + CH3COOH =>
CH3CH2OH + O2 = H2O + CH3COOH
CuO + ZnS = CuS + ZnO =>
CuO + ZnS = CuS + ZnO
KMNO4 + KI + H2SO4 = MNSO4 + K2SO4 + H2O + I2 =>
2 KMNO4 + 10 KI + 8 H2SO4 = 2 MNSO4 + 6 K2SO4 + 8 H2O + 5 I2
K2CO3 + HCl = KCl + H2CO3 =>
K2CO3 + 2 HCl = 2 KCl + H2CO3
NaOH + CuSO4 = Cu(OH)2 + Na2SO4 =>
2 NaOH + CuSO4 = Cu(OH)2 + Na2SO4
NH4NO3 + NaCl = NaNO3 + NH4Cl =>
NH4NO3 + NaCl = NaNO3 + NH4Cl
Cu + H2O = Cu(OH)2 + H2 =>
Cu + 2 H2O = Cu(OH)2 + H2
KNo2 + KMnO4 + H2O = KNo3 + MnO2 + KOH =>
9 KNo2 + KMnO4 + 2 H2O = 6 KNo3 + MnO2 + 4 KOH
Hf + N2 = Hf3N4 =>
3 Hf + 2 N2 = Hf3N4
NaOH + CuSO4 = Cu(OH)2 + Na2SO4 =>
2 NaOH + CuSO4 = Cu(OH)2 + Na2SO4
MgCl2 + KOH = Mg(OH)2 + KCl =>
MgCl2 + 2 KOH = Mg(OH)2 + 2 KCl
Ce(NO3)3 + NaOH + Br2 = Ce(OH)4 + NaNO3 + NaBr =>
2 Ce(NO3)3 + 8 NaOH + Br2 = 2 Ce(OH)4 + 6 NaNO3 + 2 NaBr
BaCl2 + Na2So4 = BaSo4 + NaCl =>
BaCl2 + Na2So4 = BaSo4 + 2 NaCl
C2H6 + Cl2 = C2H5Cl + HCl =>
C2H6 + Cl2 = C2H5Cl + HCl
ClO2 + H2O = HClO2 + HClO3 =>
2 ClO2 + H2O = HClO2 + HClO3
Fe + H2So4 = Fe2(So4)3 + H2 =>
2 Fe + 3 H2So4 = Fe2(So4)3 + 3 H2
SnO2 + C = Sn + CO2 =>
SnO2 + C = Sn + CO2
FES + HCl = FECl2 + H2S =>
FES + 2 HCl = FECl2 + H2S
CH3CH2CHO + K2Cr2O7 + H2SO4 = CH3COOH + K2SO4 + Cr2(SO4)3 + H2O =>
6 CH3CH2CHO + 4 K2Cr2O7 + 16 H2SO4 = 9 CH3COOH + 4 K2SO4 + 4 Cr2(SO4)3 + 16 H2O
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
S + O2 = SO2 =>
S + O2 = SO2
Al(NO3)3 + Cu(SO4) = Cu(NO3)2 + Al2(SO4)3 =>
2 Al(NO3)3 + 3 Cu(SO4) = 3 Cu(NO3)2 + Al2(SO4)3
CH3CH2CHO + K2Cr2O7 + H2SO4 = CH3CH2COOH + K2SO4 + Cr2(SO4)3 + H2O =>
3 CH3CH2CHO + K2Cr2O7 + 4 H2SO4 = 3 CH3CH2COOH + K2SO4 + Cr2(SO4)3 + 4 H2O
H2CO3 + Ca(OH)2 = CaCO3 + H2O =>
H2CO3 + Ca(OH)2 = CaCO3 + 2 H2O
H2S + SO2 = S8 + H2O =>
16 H2S + 8 SO2 = 3 S8 + 16 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
C2H6 + O2 = CO2 + H2O(l) =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O(l)
Ba(OH)2*8H2O + CO2 = BaCO3 + H2O =>
Ba(OH)2*8H2O + CO2 = BaCO3 + 9 H2O
Mg + ZnBr = MgBr + Zn =>
Mg + ZnBr = MgBr + Zn
HCl + NaOH = H2O + NaCl =>
HCl + NaOH = H2O + NaCl
Ca(AlO2)2 + HCl = AlCl3 + CaCl2 + H2O =>
Ca(AlO2)2 + 8 HCl = 2 AlCl3 + CaCl2 + 4 H2O
CaCl2 + H2C2O4 = CaC2O4 + HCl =>
CaCl2 + H2C2O4 = CaC2O4 + 2 HCl
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
NO + CO = CO2 + N2 =>
2 NO + 2 CO = 2 CO2 + N2
MNO2 + HCl = Cl2 + MNCl2 + H2O =>
MNO2 + 4 HCl = Cl2 + MNCl2 + 2 H2O
Magnesium + copper(ii)chloride = copper + magnesiumchloride =>
Mg + CuCl2 = Cu + MgCl2
NaNO3 + H2S = NaNO2 + S + H2O =>
NaNO3 + H2S = NaNO2 + S + H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Ca + HCl = CaCl2 + H2 =>
Ca + 2 HCl = CaCl2 + H2
CuCl2 + NaOH = Cu(OH)2 + NaCl =>
CuCl2 + 2 NaOH = Cu(OH)2 + 2 NaCl
Ca(OH)2 + HNo3 = Ca(No3)2 + H2O =>
Ca(OH)2 + 2 HNo3 = Ca(No3)2 + 2 H2O
CH3COOH + C3H7OH = CH3COOC3H7 + H20 =>
5 CH3COOH + 30 C3H7OH = 20 CH3COOC3H7 + 3 H20
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