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2 Ca3(PO4)2(s) + 6 SiO2(s) + 10 C(s) = 6 CaSiO3(s) + 10 CO(g) + P4(s)
NaOH + NH4Cl = H2O + NH3 + NaCl =>
NaOH + NH4Cl = H2O + NH3 + NaCl
NO2(g) + O2(g) = N2O5(g) =>
4 NO2(g) + O2(g) = 2 N2O5(g)
P4O10(s) + H2O(l) = H3PO4(aq) =>
P4O10(s) + 6 H2O(l) = 4 H3PO4(aq)
P + I2 = PI3 =>
2 P + 3 I2 = 2 PI3
CuFeS2 + O2 = Cu + FeO + SO2 =>
2 CuFeS2 + 5 O2 = 2 Cu + 2 FeO + 4 SO2
Na2PO4 + BaCl2 = Na2Cl2 + BaPO4 =>
Na2PO4 + BaCl2 = Na2Cl2 + BaPO4
B2H6(l) + O2(g) = B2O3(s) + H2O(l) =>
B2H6(l) + 3 O2(g) = B2O3(s) + 3 H2O(l)
PB(NO3)2 = PBO + NO2 + O2 =>
2 PB(NO3)2 = 2 PBO + 4 NO2 + O2
H2SO4 + Na2CO3 = Na2SO4 + CO2 + H2O =>
H2SO4 + Na2CO3 = Na2SO4 + CO2 + H2O
PB(NO3)2 = PBO + NO2 + O2 =>
2 PB(NO3)2 = 2 PBO + 4 NO2 + O2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NHO3 + CaCO3 = Ca(NO3)2 + CO2 + H2O =>
2 NHO3 + CaCO3 = Ca(NO3)2 + CO2 + H2O
Ni + Co = Ni(Co4) =>
Ni + 4 Co = Ni(Co4)
HCl + CA(OH)2 = CACl2 + H2O =>
2 HCl + CA(OH)2 = CACl2 + 2 H2O
Cr2O3(s) + CCl4(l) = CrCl3(s) + COCl2(aq) =>
Cr2O3(s) + 3 CCl4(l) = 2 CrCl3(s) + 3 COCl2(aq)
K2SO4(aq) + Ba(OH)2(aq) = BaSO4(aq) + KOH(aq) =>
K2SO4(aq) + Ba(OH)2(aq) = BaSO4(aq) + 2 KOH(aq)
CrO3 + KBr + H2SO4 = Br + Cr2(SO4)3 + K2SO4 + H2O =>
2 CrO3 + 6 KBr + 6 H2SO4 = 6 Br + Cr2(SO4)3 + 3 K2SO4 + 6 H2O
CrO3 + KBr + H2SO4 = Br2 + Cr2(SO4)3 + K2SO4 + H2O =>
2 CrO3 + 6 KBr + 6 H2SO4 = 3 Br2 + Cr2(SO4)3 + 3 K2SO4 + 6 H2O
HNO3 + Cu = Cu(NO3)2 + N2O4 + H2O =>
4 HNO3 + Cu = Cu(NO3)2 + N2O4 + 2 H2O
HBr + LiOH = LiBr + H2O =>
HBr + LiOH = LiBr + H2O
Cu2S + O2 = Cu2O + SO2 =>
2 Cu2S + 3 O2 = 2 Cu2O + 2 SO2
Cr2O3(s) + O2(g) = CrO3(s) =>
2 Cr2O3(s) + 3 O2(g) = 4 CrO3(s)
Pb(NO3)2 + Me4NI = Pb(NO3)I + Me4NNO3 =>
Pb(NO3)2 + Me4NI = Pb(NO3)I + Me4NNO3
Hg + HNO3 = Hg2(NO3)2 + NO + H2O =>
6 Hg + 8 HNO3 = 3 Hg2(NO3)2 + 2 NO + 4 H2O
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
AuCl3(aq) + Ni(s) = NiCl2(aq) + Au(s) =>
2 AuCl3(aq) + 3 Ni(s) = 3 NiCl2(aq) + 2 Au(s)
H3PO4(aq) + Mn(OH)2(s) = Mn3(PO4)2(s) + H2O(l) =>
2 H3PO4(aq) + 3 Mn(OH)2(s) = Mn3(PO4)2(s) + 6 H2O(l)
FeS + O2 = FeO + SO2 =>
2 FeS + 3 O2 = 2 FeO + 2 SO2
HNO3 + H2S = S + NO + H2O =>
2 HNO3 + 3 H2S = 3 S + 2 NO + 4 H2O
Fe2(CO3)3(s) = Fe2O3(s) + CO2(g) =>
Fe2(CO3)3(s) = Fe2O3(s) + 3 CO2(g)
N2O5(g) = NO2(g) + O2(g) =>
2 N2O5(g) = 4 NO2(g) + O2(g)
FeCl3 + SnCl2 = FeCl2 + SnCl4 =>
2 FeCl3 + SnCl2 = 2 FeCl2 + SnCl4
Fe(s) + Cd(NO3)2(aq) = Fe(NO3)3(aq) + Cd(s) =>
2 Fe(s) + 3 Cd(NO3)2(aq) = 2 Fe(NO3)3(aq) + 3 Cd(s)
Cu2O + C = Cu + CO =>
Cu2O + C = 2 Cu + CO
FeCl2 + KOH = Fe(OH)2 + KCl =>
FeCl2 + 2 KOH = Fe(OH)2 + 2 KCl
H2(g) + N2(g) = NH3(g) =>
3 H2(g) + N2(g) = 2 NH3(g)
H + O = H2O =>
2 H + O = H2O
C6H5CH2OH + K2Cr2O7 + H2SO4 = C6H5COOH + K2SO4 + Cr2(SO4)3 + H2O =>
3 C6H5CH2OH + 2 K2Cr2O7 + 8 H2SO4 = 3 C6H5COOH + 2 K2SO4 + 2 Cr2(SO4)3 + 11 H2O
Fe2O3 + C = Fe + CO =>
Fe2O3 + 3 C = 2 Fe + 3 CO
Sn(s) + NaOH(aq) = Na2SnO2(aq) + H2 =>
Sn(s) + 2 NaOH(aq) = Na2SnO2(aq) + H2
P4O6(s) + I2(s) = P2I4(s) + P4O10(s) =>
5 P4O6(s) + 8 I2(s) = 4 P2I4(s) + 3 P4O10(s)
PbO2 + HBrO3 = Pb(BrO3)4 + H2O =>
PbO2 + 4 HBrO3 = Pb(BrO3)4 + 2 H2O
CU + H2SO4 = CUSO4 + H2O + SO2 =>
CU + 2 H2SO4 = CUSO4 + 2 H2O + SO2
NO2(g) + H2O(l) = HNO3(aq) + NO(g) =>
3 NO2(g) + H2O(l) = 2 HNO3(aq) + NO(g)
CaWO4 + C + Mg = WC + CaO + MgO =>
CaWO4 + C + 3 Mg = WC + CaO + 3 MgO
(NH4)2Cr2O7 = N2 + H2O + Cr2O3 =>
(NH4)2Cr2O7 = N2 + 4 H2O + Cr2O3
CO(s) + HgCl2(aq) = COCl3(aq) + Hg =>
2 CO(s) + 3 HgCl2(aq) = 2 COCl3(aq) + 3 Hg
NaAlO2 + H2SiF6 = Na3AlF6 + Al2SiO5 + H2O =>
3 NaAlO2 + H2SiF6 = Na3AlF6 + Al2SiO5 + H2O
CACO3 = CAO + CO2 =>
CACO3 = CAO + CO2
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