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Ca + 2 H2O = Ca(OH)2 + H2
S + K2Cr2O7 = Cr2O3 + K2SO4 =>
S + K2Cr2O7 = Cr2O3 + K2SO4
Pt + H3Po4 = Pt3Po4 + H2 =>
6 Pt + 2 H3Po4 = 2 Pt3Po4 + 3 H2
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
Pb(NO3)2 + Na2CO3 = PbCO3 + NaNO3 =>
Pb(NO3)2 + Na2CO3 = PbCO3 + 2 NaNO3
K + L2 = KL =>
2 K + L2 = 2 KL
PbBr2 + HCl = HBr + PbCl2 =>
PbBr2 + 2 HCl = 2 HBr + PbCl2
NH42SO4 + BaNO32 = NH42NO32 + BaSO4 =>
NH42SO4 + BaNO32 = NH42NO32 + BaSO4
Ca + AgCl = CaCl2 + Ag =>
Ca + 2 AgCl = CaCl2 + 2 Ag
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
BiO3{-} + Cr{3-} + H{+} = Cr2O2{-} + Bi{3+} + H2O =>
9 BiO3{-} + 4 Cr{3-} + 46 H{+} = 2 Cr2O2{-} + 9 Bi{3+} + 23 H2O
NaHS + KOH = NaOH + KHS =>
NaHS + KOH = NaOH + KHS
Ba + H2O = Ba(OH)2 + H2 =>
Ba + 2 H2O = Ba(OH)2 + H2
NaOH + Na2S = Na + SOH =>
NaOH + Na2S = 3 Na + SOH
Mg3 + N2 = Mg3N2 =>
Mg3 + N2 = Mg3N2
Pt + H3Po4 = Pt3Po4 + H2 =>
6 Pt + 2 H3Po4 = 2 Pt3Po4 + 3 H2
NH4Cl + CaO2H2 = CaCl2 + H2O + NH3 =>
2 NH4Cl + CaO2H2 = CaCl2 + 2 H2O + 2 NH3
(NH4)2CO3(aq) + H3PO4(aq) = (NH4)3PO4(s) + CO2(g) + H2O =>
3(NH4)2CO3(aq) + 2 H3PO4(aq) = 2(NH4)3PO4(s) + 3 CO2(g) + 3 H2O
CF4 + Br2 = CBr4 + F2 =>
CF4 + 2 Br2 = CBr4 + 2 F2
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
NH4ClO4 + CuO + NH3 = Cu(NH3)4(ClO4)2 + H2O =>
2 NH4ClO4 + CuO + 2 NH3 = Cu(NH3)4(ClO4)2 + H2O
K2O + CO = KCO3 + K =>
2 K2O + CO = KCO3 + 3 K
N + Br = NBr3 =>
N + 3 Br = NBr3
Mn + Fe2O3 = Fe + MnO =>
3 Mn + Fe2O3 = 2 Fe + 3 MnO
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
KI + AgNO3 = KAg + INO3 =>
KI + AgNO3 = KAg + INO3
C3H6Br + HOH = C3H6OH + HBr =>
C3H6Br + HOH = C3H6OH + HBr
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
Ra(CN)2 + (NH4)3PO4 = Ra3(PO4)2 + NH4CN =>
3 Ra(CN)2 + 2(NH4)3PO4 = Ra3(PO4)2 + 6 NH4CN
HNO3 + MnOHNO3 = Mn(NO3)2 + H2O =>
HNO3 + MnOHNO3 = Mn(NO3)2 + H2O
Sn(OH)4 + SnCl4 = Sn(OH)3Cl =>
3 Sn(OH)4 + SnCl4 = 4 Sn(OH)3Cl
Fe2O2 + O2 = Fe2O3 =>
2 Fe2O2 + O2 = 2 Fe2O3
C4H6Br2 + H2O = C4H8O2 + HBr =>
C4H6Br2 + 2 H2O = C4H8O2 + 2 HBr
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
TiO(s) + Cl2(g) = TiCl3(s) + O2(g) =>
2 TiO(s) + 3 Cl2(g) = 2 TiCl3(s) + O2(g)
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
NaHCO3 = HNaO + CO2 =>
NaHCO3 = HNaO + CO2
Ti(OH)3 + H2O + O2 = TiO2*2H2O =>
4 Ti(OH)3 + 2 H2O + O2 = 4 TiO2*2H2O
CaPH2O2 + KClO4 = CaPHO3 + H2O + KCl =>
8 CaPH2O2 + 3 KClO4 = 8 CaPHO3 + 4 H2O + 3 KCl
KI + C6H10O5 + NaOCl = KNaOCl + IC6H10O5 =>
KI + C6H10O5 + NaOCl = KNaOCl + IC6H10O5
C + KMnO4 = KMn + CO =>
4 C + KMnO4 = KMn + 4 CO
Cu2O + C = Cu + CO2 =>
2 Cu2O + C = 4 Cu + CO2
Ca(OH)2 + KNo3 = KOH + Ca(No3)2 =>
Ca(OH)2 + 2 KNo3 = 2 KOH + Ca(No3)2
MnSO4 + AlPO4 = Mn3(PO4)2 + Al2(SO4)3 =>
3 MnSO4 + 2 AlPO4 = Mn3(PO4)2 + Al2(SO4)3
BaO2 + HNO3 = Ba(NO3)2 + H2O2 =>
BaO2 + 2 HNO3 = Ba(NO3)2 + H2O2
H2 + NO = H2O + N2 =>
2 H2 + 2 NO = 2 H2O + N2
Na3VO4 + HNO3 = VO2NO3 + NaNO3 + H2O =>
Na3VO4 + 4 HNO3 = VO2NO3 + 3 NaNO3 + 2 H2O
Zn + AgNO3 = Zn(NO3)2 + Ag =>
Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Cr2O7 + H3O = Cr + H2O =>
Cr2O7 + 14 H3O = 2 Cr + 21 H2O
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