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10 Fe + 10 O2 + H20 = 10 Fe(OH)2
Na + S = Na2S =>
2 Na + S = Na2S
Cu2 + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu2 + 8 HNO3 = 2 Cu(NO3)2 + 4 NO2 + 4 H2O
Na + N2 = Na3N =>
6 Na + N2 = 2 Na3N
Na2CO3 + HCl = H2O + NaCl + CO2 =>
Na2CO3 + 2 HCl = H2O + 2 NaCl + CO2
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
CuSO4(aq) + (NH4)2S(aq) = Cu2S + NH4SO4 =>
2 CuSO4(aq) + (NH4)2S(aq) = Cu2S + 2 NH4SO4
InP + HF = InF + H2 + P =>
2 InP + 2 HF = 2 InF + H2 + 2 P
SnO2 + S + Na2CO3 = Na2SnS4 + SO2 + CO2 =>
2 SnO2 + 11 S + 2 Na2CO3 = 2 Na2SnS4 + 3 SO2 + 2 CO2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
KMnO4 + H2SO4 + KNaCl2 = K2SO4 + Cl2 + MnSO4 + NaSO4 + H2O =>
3 KMnO4 + 12 H2SO4 + 5 KNaCl2 = 4 K2SO4 + 5 Cl2 + 3 MnSO4 + 5 NaSO4 + 12 H2O
C4H10O + K2Cr2O7 + H2SO4 = Cr2S3O12 + K2SO4 + H2O + C4H8O =>
3 C4H10O + K2Cr2O7 + 4 H2SO4 = Cr2S3O12 + K2SO4 + 7 H2O + 3 C4H8O
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
C + O = CO2 =>
C + 2 O = CO2
HCl + NaHCO3 = NaCl + H2O + CO2 =>
HCl + NaHCO3 = NaCl + H2O + CO2
C + H2 = C2H4 =>
2 C + 2 H2 = C2H4
H2 + I2 = HI =>
H2 + I2 = 2 HI
CH3COOH + K(OH) = H2O + CH3COOK =>
CH3COOH + K(OH) = H2O + CH3COOK
Na + H2SO4 = Na2SO4 + H2 =>
2 Na + H2SO4 = Na2SO4 + H2
CaCO3 + HCl = CO2 + CaCl2 + H2O =>
CaCO3 + 2 HCl = CO2 + CaCl2 + H2O
Na + H2SO4 = Na2SO4 + H2 =>
2 Na + H2SO4 = Na2SO4 + H2
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Na2S(aq) + NiSO4(aq) = Na2SO4(aq) + NiS(s) =>
Na2S(aq) + NiSO4(aq) = Na2SO4(aq) + NiS(s)
K + O2 = K2O =>
4 K + O2 = 2 K2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Mg + HNO3 = Mg(NO3)2 + N2O + H2O =>
4 Mg + 10 HNO3 = 4 Mg(NO3)2 + N2O + 5 H2O
P2O5 + Mg2 + O2 = Mg3(PO4)2 =>
2 P2O5 + 3 Mg2 + 3 O2 = 2 Mg3(PO4)2
H3PO2 + Ag3AsO4 + H2O = H3PO4 + Ag + H3AsO3 =>
5 H3PO2 + 4 Ag3AsO4 + 6 H2O = 5 H3PO4 + 12 Ag + 4 H3AsO3
CuO + SCl = CuCl + SO =>
CuO + SCl = CuCl + SO
H2O + CO2 = C2H12O6 + O2 =>
6 H2O + 2 CO2 = C2H12O6 + 2 O2
P + Cl2 = PCl5 =>
2 P + 5 Cl2 = 2 PCl5
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
FeCl3 + AgNO3 = AgCl + Fe(NO3)3 =>
FeCl3 + 3 AgNO3 = 3 AgCl + Fe(NO3)3
Cu + AgNO3 = Ag + Cu(NO3)2 =>
Cu + 2 AgNO3 = 2 Ag + Cu(NO3)2
H2(g) + O2(g) = H2O(g) =>
2 H2(g) + O2(g) = 2 H2O(g)
CrO3 + NaOH = Na2CrO4 + H2O =>
CrO3 + 2 NaOH = Na2CrO4 + H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
AlCl3 + H2O = Al(OH)3 + HCl =>
AlCl3 + 3 H2O = Al(OH)3 + 3 HCl
K2CO3 = K2O + CO2 =>
K2CO3 = K2O + CO2
KHCO3 = K2O + H2O + CO2 =>
2 KHCO3 = K2O + H2O + 2 CO2
MnO4{-} + Sn{2+} + H3O{+} = Mn{2+} + Sn{4+} + H2O =>
2 MnO4{-} + 5 Sn{2+} + 16 H3O{+} = 2 Mn{2+} + 5 Sn{4+} + 24 H2O
KNO3 + H2O = KOH + HNO3 =>
KNO3 + H2O = KOH + HNO3
Cr2O7{-2} + H{+} + I{-} = Cr{+3} + H2O + I3{-} =>
Cr2O7{-2} + 14 H{+} + 9 I{-} = 2 Cr{+3} + 7 H2O + 3 I3{-}
P + HNO3 = NO2 + H2O + H3PO4 =>
P + 5 HNO3 = 5 NO2 + H2O + H3PO4
(C2H5)2NH + H3O = (C2H5)2NH2 + H2O =>
(C2H5)2NH + H3O = (C2H5)2NH2 + H2O
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
CuSo4(aq) + Fe(s) = Fe2(So4)3(aq) + Cu(s) =>
3 CuSo4(aq) + 2 Fe(s) = Fe2(So4)3(aq) + 3 Cu(s)
CrO4{-2} + H{+} + I{-} = Cr{+3} + H2O + I3{-} =>
2 CrO4{-2} + 16 H{+} + 9 I{-} = 2 Cr{+3} + 8 H2O + 3 I3{-}
MgO + P2O5 = Mg3(PO4)2 =>
3 MgO + P2O5 = Mg3(PO4)2
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