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2 Ca + 2 H2SO4 = 2 CaSO4 + H4
Cr(s) + Cl2(g) = CrCl3(s) =>
2 Cr(s) + 3 Cl2(g) = 2 CrCl3(s)
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
K2O(s) + H2O(l) = KOH(aq) =>
K2O(s) + H2O(l) = 2 KOH(aq)
NaCl + P(NO3)2 = NaNO3 + PCl2 =>
2 NaCl + P(NO3)2 = 2 NaNO3 + PCl2
C5H4N4O3 + H2O = H2 + H2CO3 + N2 =>
C5H4N4O3 + 12 H2O = 9 H2 + 5 H2CO3 + 2 N2
HCN + NaCl = NaCN + HCl =>
HCN + NaCl = NaCN + HCl
AlCl3 + Cu(OH)2 = Al(OH)3 + CuCl2 =>
2 AlCl3 + 3 Cu(OH)2 = 2 Al(OH)3 + 3 CuCl2
Ca{2} + S{-2} = Ca2S2 =>
2 Ca{2} + 2 S{-2} = Ca2S2
Li + Br2 = LiBr =>
2 Li + Br2 = 2 LiBr
Hg + NaNO3 + H2SO4 = HgSO4 + NaNO2 + H2O =>
Hg + NaNO3 + H2SO4 = HgSO4 + NaNO2 + H2O
H3AsO4 + AgNO3 = Ag3AsO4 + HNO3 =>
H3AsO4 + 3 AgNO3 = Ag3AsO4 + 3 HNO3
LiOH + H2CrO4 = Li2CrO4 + HOH =>
2 LiOH + H2CrO4 = Li2CrO4 + 2 HOH
CH3CH2Br + Na = CH3CH2CH2CH3 + NaBr =>
2 CH3CH2Br + 2 Na = CH3CH2CH2CH3 + 2 NaBr
Hf + N2 = Hf3N4 =>
3 Hf + 2 N2 = Hf3N4
BrO3{-} + S2O3{-2} + H3O{+} = Br2 + S2O6{-2} + H2O =>
6 BrO3{-} + 5 S2O3{-2} + 6 H3O{+} = 3 Br2 + 5 S2O6{-2} + 9 H2O
Ru + Cl2 = Ru2Cl3 =>
4 Ru + 3 Cl2 = 2 Ru2Cl3
MgO + HCl = MgCl2 + H2O =>
MgO + 2 HCl = MgCl2 + H2O
Ba(OH)2 + ZnO = H2O + Ba(ZnO2) =>
Ba(OH)2 + ZnO = H2O + Ba(ZnO2)
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
FeCl3 + (NH4)3PO4 = Fe3(PO4)3 + NH4Cl =>
3 FeCl3 + 3(NH4)3PO4 = Fe3(PO4)3 + 9 NH4Cl
V(OH)2 + O2 = V2O5 + H2O =>
4 V(OH)2 + 3 O2 = 2 V2O5 + 4 H2O
K2SO4 + Ca(OH)2 = CaSO4 + K2(OH)2 =>
K2SO4 + Ca(OH)2 = CaSO4 + K2(OH)2
Na(s) + CuSO4(aq) = Na2SO4 + Cu =>
2 Na(s) + CuSO4(aq) = Na2SO4 + Cu
C6H12O6 + KMnO4 + H2SO4 = CO2 + H2O + K2SO4 + MnSO4 =>
5 C6H12O6 + 24 KMnO4 + 36 H2SO4 = 30 CO2 + 66 H2O + 12 K2SO4 + 24 MnSO4
CI2 + O2 = CI2O7 =>
2 CI2 + 7 O2 = 2 CI2O7
Au3{+} + AsH3 + OH{-} = Au + AsO3{-}3 + H2O =>
8 Au3{+} + AsH3 + 9 OH{-} = 24 Au + AsO3{-}3 + 6 H2O
(NH4)2MoO4 + HCl + Zn = MoCl3 + ZnCl2 + H2O + NH3 =>
2(NH4)2MoO4 + 12 HCl + 3 Zn = 2 MoCl3 + 3 ZnCl2 + 8 H2O + 4 NH3
Cd{+} + H{+} + NO3{-} = Cd{+2} + NO + H2O =>
3 Cd{+} + 4 H{+} + NO3{-} = 3 Cd{+2} + NO + 2 H2O
C8H15BrN2 + KPF6 = C8H15PF6N2 + KBr =>
C8H15BrN2 + KPF6 = C8H15PF6N2 + KBr
C19H40 + CuO = H2O + CO2 + Cu =>
C19H40 + 58 CuO = 20 H2O + 19 CO2 + 58 Cu
SO2 + FeCl2 + HCl = H2S + FeCl3 + H2O =>
SO2 + 6 FeCl2 + 6 HCl = H2S + 6 FeCl3 + 2 H2O
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
C3H5(NO3)3(i) = CO2(g) + N2(g) + H2O(i) + O2(g) =>
4 C3H5(NO3)3(i) = 12 CO2(g) + 6 N2(g) + 10 H2O(i) + O2(g)
H3AsO4 + H2SO4 + NO = As2S5 + HNO3 + H2O =>
6 H3AsO4 + 15 H2SO4 + 40 NO = 3 As2S5 + 40 HNO3 + 4 H2O
AgNO3 + KSCN = AgSCN + KNO3 =>
AgNO3 + KSCN = AgSCN + KNO3
FeSO4 + (NH4)2S = FeS + (NH4)2SO4 =>
FeSO4 + (NH4)2S = FeS + (NH4)2SO4
I + ClF = ICl + F =>
I + ClF = ICl + F
P2O5 + CaO = Ca2P3 + O2 =>
6 P2O5 + 8 CaO = 4 Ca2P3 + 19 O2
KOH + Br2 = KBr + KBrO3 + H2O =>
6 KOH + 3 Br2 = 5 KBr + KBrO3 + 3 H2O
Ca(NO3)2 + PO4 = Ca3(PO4)2 + NO3 =>
3 Ca(NO3)2 + 2 PO4 = Ca3(PO4)2 + 6 NO3
HBr(ac) + Ca(OH)2 = CaBr2 + H2O =>
2 HBr(ac) + Ca(OH)2 = CaBr2 + 2 H2O
Cr2S3 + NH4Br = CrBr3 + (NH4)2S =>
Cr2S3 + 6 NH4Br = 2 CrBr3 + 3(NH4)2S
NH3 + KI = KH3 + NI =>
NH3 + KI = KH3 + NI
Zn + HCl = Zn2{+} + Cl{-} + H2 =>
4 Zn + 2 HCl = 2 Zn2{+} + 2 Cl{-} + H2
H2SO4 + H2O = HO + HSO2 =>
H2SO4 + H2O = 3 HO + HSO2
(NH4)3BO3 + Pb(C2H3O2)4 = Pb3(BO3)4 + NH4C2H3O2 =>
4(NH4)3BO3 + 3 Pb(C2H3O2)4 = Pb3(BO3)4 + 12 NH4C2H3O2
C6H6(s) + O2(g) = CO2(g) + H2O =>
2 C6H6(s) + 15 O2(g) = 12 CO2(g) + 6 H2O
NaPO4 + Ba(NO3)2 = BaPO4 + Na(NO3)2 =>
NaPO4 + Ba(NO3)2 = BaPO4 + Na(NO3)2
(NH4)2SO4 + NaNO3 = Na2SO4 + H2O + N2O =>
(NH4)2SO4 + 2 NaNO3 = Na2SO4 + 4 H2O + 2 N2O
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