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H2SO4 + Zn = H2 + ZnSO4
Co + P = Co2P =>
2 Co + P = Co2P
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Na2S + I2 + HCl = HI + S + NaCl =>
Na2S + I2 + 2 HCl = 2 HI + S + 2 NaCl
Fe(OH)2 + NaOH = Na(Fe(OH)3) =>
Fe(OH)2 + NaOH = Na(Fe(OH)3)
HClO3 + KOH = KClO3 + H2O =>
HClO3 + KOH = KClO3 + H2O
KKNO3 + C + S = N2 + CO2 + K2S =>
2 KKNO3 + 3 C + 2 S = N2 + 3 CO2 + 2 K2S
Pb + ZnSO4 = Zn + Pb(SO4) =>
Pb + ZnSO4 = Zn + Pb(SO4)
KI + K2CrO4 + H2SO4 = Cr2(SO4)3 + I2 + K2SO4 + H2O =>
6 KI + 2 K2CrO4 + 8 H2SO4 = Cr2(SO4)3 + 3 I2 + 5 K2SO4 + 8 H2O
Mg + ZnCl2 = Mg2Cl + Zn =>
4 Mg + ZnCl2 = 2 Mg2Cl + Zn
C6H5CH2CN + HCl + H2O = C6H5CH2COOH + NH4Cl =>
C6H5CH2CN + HCl + 2 H2O = C6H5CH2COOH + NH4Cl
(a)NH3(g) + O2(g) = NO(g) + H2O(g) =>
4(a)NH3(g) + 5 O2(g) = 4 NO(g) + 6 H2O(g)
Ca + Mg3(NO3)2 = Ca3(NO3)2 + Mg =>
3 Ca + Mg3(NO3)2 = Ca3(NO3)2 + 3 Mg
CU2 + O2 = CU2O2 =>
CU2 + O2 = CU2O2
SiO2(s) + C(s) + Ca3(PO4)2(s) = P4(g) + CaSiO3(l) + CO(g) =>
6 SiO2(s) + 10 C(s) + 2 Ca3(PO4)2(s) = P4(g) + 6 CaSiO3(l) + 10 CO(g)
Zn(aq) + AlBr(aq) = ZnBr(aq) + Al(s) =>
Zn(aq) + AlBr(aq) = ZnBr(aq) + Al(s)
K2Cr2O7(aq) + FeCl2(aq) + HCl(aq) = FeCl3(aq) + CrCl3(aq) + H2O(liquid) + KCl(aq) =>
K2Cr2O7(aq) + 6 FeCl2(aq) + 14 HCl(aq) = 6 FeCl3(aq) + 2 CrCl3(aq) + 7 H2O(liquid) + 2 KCl(aq)
Fe(NO3)3 + Al(OH)3 = Fe(OH)3 + Al(NO3)3 =>
Fe(NO3)3 + Al(OH)3 = Fe(OH)3 + Al(NO3)3
Cl2O + H = HCl2O =>
Cl2O + H = HCl2O
KH(s) + H2O(l) = KOH(ag) + H2(g) =>
KH(s) + H2O(l) = KOH(ag) + H2(g)
C3H9Al + O2 = CO2 + H2O + Al2O3 =>
2 C3H9Al + 12 O2 = 6 CO2 + 9 H2O + Al2O3
HS2 + O2 = H2O + SO2 =>
4 HS2 + 9 O2 = 2 H2O + 8 SO2
Cr2O7{-2} + H{+} + UO{+2} = Cr{+3} + UO2{+2} + H2O =>
Cr2O7{-2} + 8 H{+} + 3 UO{+2} = 2 Cr{+3} + 3 UO2{+2} + 4 H2O
I3O + CO = I + CO2 =>
I3O + CO = 3 I + CO2
K3PO4(aq) + Al(NO3)3(aq) = AlPO4(s) + K3(NO3)3(aq) =>
K3PO4(aq) + Al(NO3)3(aq) = AlPO4(s) + K3(NO3)3(aq)
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
SrCrO4 + HCl = SrCl2 + H2CrO4 =>
SrCrO4 + 2 HCl = SrCl2 + H2CrO4
NaAl(OH)4 + CO2 = Na2CO3 + Al(OH)3 + H2O =>
2 NaAl(OH)4 + CO2 = Na2CO3 + 2 Al(OH)3 + H2O
MgCO3(s) + HCl(aq) = MgCl2(aq) + H2CO3 =>
MgCO3(s) + 2 HCl(aq) = MgCl2(aq) + H2CO3
KCl + AgNO3 = AgCl + KNO3 =>
KCl + AgNO3 = AgCl + KNO3
KMnO4 + C2H6O + H2SO4 = C2H4O + MnSO4 + H2O + KOH =>
2 KMnO4 + 5 C2H6O + 2 H2SO4 = 5 C2H4O + 2 MnSO4 + 6 H2O + 2 KOH
CaCO3(s) + CH3COOH(aq) = CO2(g) + Ca(CH3COO)2(aq) + H2O(l) =>
CaCO3(s) + 2 CH3COOH(aq) = CO2(g) + Ca(CH3COO)2(aq) + H2O(l)
Zn(aq) + AlBr(aq) = ZnBr(aq) + Al(s) =>
Zn(aq) + AlBr(aq) = ZnBr(aq) + Al(s)
KMnO4 + HCl = KCl + Cl + MnCl2 + H2O =>
KMnO4 + 8 HCl = KCl + 5 Cl + MnCl2 + 4 H2O
C + H2O = CO + H2 =>
C + H2O = CO + H2
K3PO4(aq) + Al(NO3)3(aq) = AlPO4(s) + K3(NO3)3(aq) =>
K3PO4(aq) + Al(NO3)3(aq) = AlPO4(s) + K3(NO3)3(aq)
K2Cr2O7(aq) + FeCl2(aq) + HCl(aq) = FeCl3(aq) + CrCl3(aq) + H2O(liquid) + KCl(aq) =>
K2Cr2O7(aq) + 6 FeCl2(aq) + 14 HCl(aq) = 6 FeCl3(aq) + 2 CrCl3(aq) + 7 H2O(liquid) + 2 KCl(aq)
SiO2(s) + C(s) + Ca3(PO4)2(s) = P4(g) + CaSiO3(l) + CO(g) =>
6 SiO2(s) + 10 C(s) + 2 Ca3(PO4)2(s) = P4(g) + 6 CaSiO3(l) + 10 CO(g)
Fe2(SO4)3*7H2O = Fe(OH)3 + H2SO4 + H2O =>
Fe2(SO4)3*7H2O = 2 Fe(OH)3 + 3 H2SO4 + H2O
Mg + ZnCl2 = Mg2Cl + Zn =>
4 Mg + ZnCl2 = 2 Mg2Cl + Zn
K2Cr2O7 + HCl = KCl + CrCl3 + H2O + Cl2 =>
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl3 + 7 H2O + 3 Cl2
Cd(NO3)2 + K3PO4 = Cd3(PO4)2 + K3(NO3)3 =>
3 Cd(NO3)2 + 2 K3PO4 = Cd3(PO4)2 + 2 K3(NO3)3
K2Cr2O7 + HCl = KCl + CrCl3 + H2O + Cl2 =>
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl3 + 7 H2O + 3 Cl2
HCH3CO2 + LiOH = LiCH3CO2 + H2O =>
HCH3CO2 + LiOH = LiCH3CO2 + H2O
CaSO4 + Pb(NO3)4 = Ca(NO3)2 + Pb(SO4)2 =>
2 CaSO4 + Pb(NO3)4 = 2 Ca(NO3)2 + Pb(SO4)2
C4C + CO2 = C4CO3 =>
7 C4C + 15 CO2 = 10 C4CO3
Sc + S2 = Sc2S3 =>
4 Sc + 3 S2 = 2 Sc2S3
C2H5NH2 + HBr = [C2H5NH3]Br =>
C2H5NH2 + HBr = [C2H5NH3]Br
Ba(NO3)2(aq) + K2(SO4)(aq) = Ba(SO4)(s) + KNO3(aq) =>
Ba(NO3)2(aq) + K2(SO4)(aq) = Ba(SO4)(s) + 2 KNO3(aq)
(a)NH3(g) + O2(g) = NO(g) + H2O(g) =>
4(a)NH3(g) + 5 O2(g) = 4 NO(g) + 6 H2O(g)
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