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CrO2 + H2 = Cr(OH)2
Cu + S = Cu5S9 =>
5 Cu + 9 S = Cu5S9
AgNO3 + H3PO4 = Ag3PO4 + HNO3 =>
3 AgNO3 + H3PO4 = Ag3PO4 + 3 HNO3
Fe(CH3COO)2 + H2CO3 = FeCO3 + HCH3COO =>
Fe(CH3COO)2 + H2CO3 = FeCO3 + 2 HCH3COO
Ca(HCO3)2 + Na2SO4 = CaSO4 + Na + HCO3 =>
Ca(HCO3)2 + Na2SO4 = CaSO4 + 2 Na + 2 HCO3
C3H6(COOH)2 + OH = C3H6(COO)2 + H2O =>
C3H6(COOH)2 + 2 OH = C3H6(COO)2 + 2 H2O
Cl2(aq) + NaBr(aq) = NaCl(aq) + Br2(aq) =>
Cl2(aq) + 2 NaBr(aq) = 2 NaCl(aq) + Br2(aq)
Sb2O3 + NaOH = NaSbO2 + H2O =>
Sb2O3 + 2 NaOH = 2 NaSbO2 + H2O
KMnO4 + KI + H2O = MnO2 + I + KOH =>
KMnO4 + 3 KI + 2 H2O = MnO2 + 3 I + 4 KOH
Sr6 + O8 = SrO2 =>
2 Sr6 + 3 O8 = 12 SrO2
Ca10(PO4)6(OH)2 + H = Ca2 + HPO4 + H2O =>
Ca10(PO4)6(OH)2 + 8 H = 5 Ca2 + 6 HPO4 + 2 H2O
Na2Cr2O7 + NH4Cl = Cr2O3 + NaCl + N2 + H2O =>
Na2Cr2O7 + 2 NH4Cl = Cr2O3 + 2 NaCl + N2 + 4 H2O
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
CH4Br2 = CH3BrHBr =>
CH4Br2 = CH3BrHBr
C30H50 + O2 = CO2 + H2O =>
2 C30H50 + 85 O2 = 60 CO2 + 50 H2O
Cu(s) + AgNO2(aq) = Cu(NO2)2(aq) + Ag(s) =>
Cu(s) + 2 AgNO2(aq) = Cu(NO2)2(aq) + 2 Ag(s)
Co(C5H7O2)3 + Cu(NO3)2*2*5H2O + C4H6O3 = Co(C5H7O2NO2)3 + Cu(C2H3O2)2 + C2H3O2 + H2O =>
2 Co(C5H7O2)3 + 3 Cu(NO3)2*2*5H2O + 6 C4H6O3 = 2 Co(C5H7O2NO2)3 + 3 Cu(C2H3O2)2 + 6 C2H3O2 + 15 H2O
Bi2O3 + Cl2 + H2O = HClO + BiOCl =>
Bi2O3 + 2 Cl2 + H2O = 2 HClO + 2 BiOCl
C6H12O6(aq) = C2H6O(l) + CO2(g) =>
C6H12O6(aq) = 2 C2H6O(l) + 2 CO2(g)
Cr + O2 + H2O = Cr(OH) =>
4 Cr + O2 + 2 H2O = 4 Cr(OH)
Li5FeO4 + H2O = LiFeO2 + LiOH =>
Li5FeO4 + 2 H2O = LiFeO2 + 4 LiOH
Li + Cl2 = LiCl =>
2 Li + Cl2 = 2 LiCl
H + Si = HSi =>
H + Si = HSi
Cu2S + HNO3 = Cu(NO3)2 + CuSO4 + NO2 + H2O =>
Cu2S + 12 HNO3 = Cu(NO3)2 + CuSO4 + 10 NO2 + 6 H2O
H2O + NO2 = HNO3 + NO =>
H2O + 3 NO2 = 2 HNO3 + NO
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
NH4HSO4 + NaCl = HCl + NH4NaSO4 =>
NH4HSO4 + NaCl = HCl + NH4NaSO4
H2 + F2 = HF =>
H2 + F2 = 2 HF
H2CO3 + AlCl3 = HCl + Al2(CO3)3 =>
3 H2CO3 + 2 AlCl3 = 6 HCl + Al2(CO3)3
K2CrO4 + SrCl2 + H2O = SrCrO4 + KOH + HCl =>
K2CrO4 + SrCl2 + 2 H2O = SrCrO4 + 2 KOH + 2 HCl
SiO2 + C = SiC + CO =>
SiO2 + 3 C = SiC + 2 CO
I2(g) + H2O(l) = HI(aq) + O2(g) =>
2 I2(g) + 2 H2O(l) = 4 HI(aq) + O2(g)
Mg + Cl2 = MgCl2 =>
Mg + Cl2 = MgCl2
Sb2S3 + O = Sb4O6 + S =>
2 Sb2S3 + 6 O = Sb4O6 + 6 S
Ca + H2 = CaH2 =>
Ca + H2 = CaH2
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
NH3OH + H2O = HNO2 + H =>
NH3OH + H2O = HNO2 + 5 H
NO2 = O2 + N2 =>
2 NO2 = 2 O2 + N2
C11H12O2 + H2O = C9H8O2 + C2H6O =>
C11H12O2 + H2O = C9H8O2 + C2H6O
NaCO3 + H2SO4 = CO2 + NaSO4 + H2O =>
NaCO3 + H2SO4 = CO2 + NaSO4 + H2O
Mg(NO3)2 + KI = MgI2 + KNO3 =>
Mg(NO3)2 + 2 KI = MgI2 + 2 KNO3
K2CO3 + Cr(C2H3O2)3 = K(C2H3O2) + Cr2(CO3)3 =>
3 K2CO3 + 2 Cr(C2H3O2)3 = 6 K(C2H3O2) + Cr2(CO3)3
PbS + H2O2 = PbSO4 + H202 =>
101 PbS + 202 H2O2 = 101 PbSO4 + 2 H202
Na2SO4(s) + HCl(l) = NaCl(s) + SO2(g) + H2O(l) + O2(g) =>
2 Na2SO4(s) + 4 HCl(l) = 4 NaCl(s) + 2 SO2(g) + 2 H2O(l) + O2(g)
K2Cr2O7 + Na2S + H2O = Cr2O3 + S + KOH + NaOH =>
K2Cr2O7 + 3 Na2S + 4 H2O = Cr2O3 + 3 S + 2 KOH + 6 NaOH
HN3 + KMnO4 = Mn(N3)2 + KN3 + N2 + H2O =>
16 HN3 + 2 KMnO4 = 2 Mn(N3)2 + 2 KN3 + 15 N2 + 8 H2O
KNO2 + KClO2 = KNO3 + KCl =>
2 KNO2 + KClO2 = 2 KNO3 + KCl
Al(H2O)6{3+}(aq) + HOH{-}(aq) = Al(H2O)3(OH)3(s) + H3O =>
Al(H2O)6{3+}(aq) + 3 HOH{-}(aq) = Al(H2O)3(OH)3(s) + 3 H3O
K2SO4 + BaCl2 = BaSO4 + KCl =>
K2SO4 + BaCl2 = BaSO4 + 2 KCl
HCl + FeS = FeCl2 + H2S =>
2 HCl + FeS = FeCl2 + H2S
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