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2 NiS(s) + 3 O2(g) = 2 NiO(s) + 2 SO2(g)
PbS(s) + O2(g) = PbO(s) + SO2(g) =>
2 PbS(s) + 3 O2(g) = 2 PbO(s) + 2 SO2(g)
H2 + N2 = NH3 =>
3 H2 + N2 = 2 NH3
PbO(s) + NH3(g) = Pb(s) + N2(g) + H2O(l) =>
3 PbO(s) + 2 NH3(g) = 3 Pb(s) + N2(g) + 3 H2O(l)
CuO + C = CO2 + Cu =>
2 CuO + C = CO2 + 2 Cu
Cu(s) + AgNO3(aq) = Cu(NO3)2 + Ag =>
Cu(s) + 2 AgNO3(aq) = Cu(NO3)2 + 2 Ag
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
NaHCO3 + HCl = NaCl + CO2 + H2O =>
NaHCO3 + HCl = NaCl + CO2 + H2O
Mg + Zn(No3)2 = MgNo3 + Zn =>
2 Mg + Zn(No3)2 = 2 MgNo3 + Zn
CH3NH2 + O2 = H2O + N2 + CO2 =>
4 CH3NH2 + 9 O2 = 10 H2O + 2 N2 + 4 CO2
Rb2O + H2O = RbOH =>
Rb2O + H2O = 2 RbOH
Cu2S + HNO3 = Cu(NO3)2 + CuSO4 + NO + H20 =>
5 Cu2S + 20 HNO3 = 5 Cu(NO3)2 + 5 CuSO4 + 10 NO + H20
PCl3 + H2O = H3PO3 + HCl =>
PCl3 + 3 H2O = H3PO3 + 3 HCl
HCL + NAOH = H2O + NACL =>
HCL + NAOH = H2O + NACL
Fe + H2SO4 = FeSO4 + H2 =>
Fe + H2SO4 = FeSO4 + H2
Zn(s) + HCl(aq) = ZnCl2 + H2 =>
Zn(s) + 2 HCl(aq) = ZnCl2 + H2
Fe2S + HCl = H2S + FeCl =>
Fe2S + 2 HCl = H2S + 2 FeCl
NH4 + O2 = NO2 + H2O =>
NH4 + 2 O2 = NO2 + 2 H2O
NO2 + O2 + H2O = HNO3 =>
4 NO2 + O2 + 2 H2O = 4 HNO3
Mg3N2 + H2O = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Fe(s) + HCl(aq) = FeCl3(aq) + H2(g) =>
2 Fe(s) + 6 HCl(aq) = 2 FeCl3(aq) + 3 H2(g)
(MgOH)3PO4 + H3PO4 = Mg(H2PO4)2 + H2O =>
(MgOH)3PO4 + 5 H3PO4 = 3 Mg(H2PO4)2 + 3 H2O
CuO2 + NH4 = Cu + N2 + H2O =>
2 CuO2 + 2 NH4 = 2 Cu + N2 + 4 H2O
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
CrCl3 + KOH = Cr(OH)3 + KCl =>
CrCl3 + 3 KOH = Cr(OH)3 + 3 KCl
Fe + H2SO4 = FeSO4 + H2 =>
Fe + H2SO4 = FeSO4 + H2
B2H6 + O2 = B2O3 + H2O =>
B2H6 + 3 O2 = B2O3 + 3 H2O
PH3 + O2 = H2O + P4O10 =>
4 PH3 + 8 O2 = 6 H2O + P4O10
Cu + Cl{-} + As4O6 + H{+} = CuCl + As + H2O =>
12 Cu + 12 Cl{-} + As4O6 + 12 H{+} = 12 CuCl + 4 As + 6 H2O
C3H7S3O3Na + KMnO4 + H2SO4 = C3H7S3O9Na + K2MnO4 + MnSO4 + H2O =>
C3H7S3O3Na + 4 KMnO4 + 2 H2SO4 = C3H7S3O9Na + 2 K2MnO4 + 2 MnSO4 + 2 H2O
S2 + O2 = SO2 =>
S2 + 2 O2 = 2 SO2
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
CACO3 + H2SO4 = CASO4 + H2O + CO2 =>
CACO3 + H2SO4 = CASO4 + H2O + CO2
Mg + H2SO4 = Mg2SO4 + H2 =>
2 Mg + H2SO4 = Mg2SO4 + H2
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
C10H13NO2 + O2 = CO2 + H2O + NO =>
4 C10H13NO2 + 51 O2 = 40 CO2 + 26 H2O + 4 NO
CuO + NH3 = Cu + H2O + N2 =>
3 CuO + 2 NH3 = 3 Cu + 3 H2O + N2
P + Ca = Ca3P2 =>
2 P + 3 Ca = Ca3P2
Cu(NO3)2 + AlCl3 = CuCl2 + Al(NO3)3 =>
3 Cu(NO3)2 + 2 AlCl3 = 3 CuCl2 + 2 Al(NO3)3
P + Ca = Ca3P2 =>
2 P + 3 Ca = Ca3P2
KOH + P2O5 = K3PO4 + H2O =>
6 KOH + P2O5 = 2 K3PO4 + 3 H2O
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
C3H7S3O3Na + KMnO4 + H2SO4 = C3H7S3O9Na + K2SO4 + MnSO4 + H2O =>
5 C3H7S3O3Na + 12 KMnO4 + 18 H2SO4 = 5 C3H7S3O9Na + 6 K2SO4 + 12 MnSO4 + 18 H2O
Al + H2SO4 = Al2(SO4)3 + SO2 + H2O =>
2 Al + 6 H2SO4 = Al2(SO4)3 + 3 SO2 + 6 H2O
NH4OH + HCl = NH4Cl + H2O =>
NH4OH + HCl = NH4Cl + H2O
BaCl2 + K3PO4 = Ba3(PO4)2 + KCl =>
3 BaCl2 + 2 K3PO4 = Ba3(PO4)2 + 6 KCl
Mg + SO4 = MgSO4 =>
Mg + SO4 = MgSO4
Cr + O3 = Cr2O3 =>
2 Cr + O3 = Cr2O3
Cu + S = Cu2S =>
2 Cu + S = Cu2S
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