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2 K + 2 H2O = 2 KOH + H2
Fe + O2 = Fe3O3 =>
6 Fe + 3 O2 = 2 Fe3O3
P4 + Cl2 = PCl3 =>
P4 + 6 Cl2 = 4 PCl3
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
HSiCl3 + H2O = H10Si10O15 + HCl =>
10 HSiCl3 + 15 H2O = H10Si10O15 + 30 HCl
SO2 + Cl2 = SOCl2 + Cl2O =>
SO2 + 2 Cl2 = SOCl2 + Cl2O
Pb(NO3)2 + (NH4)3PO4 = Pb3(PO4)2 + NH4NO3 =>
3 Pb(NO3)2 + 2(NH4)3PO4 = Pb3(PO4)2 + 6 NH4NO3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C3H8(g) + O2(g) = CO2(g) + H2O(g) =>
C3H8(g) + 5 O2(g) = 3 CO2(g) + 4 H2O(g)
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
I2 + HNO3 = HIO3 + NO + H2O =>
3 I2 + 10 HNO3 = 6 HIO3 + 10 NO + 2 H2O
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
KBr + F2 = KF + Br2 =>
2 KBr + F2 = 2 KF + Br2
CH4(g) + O2(g) = CO2(g) + H2O(l) =>
CH4(g) + 2 O2(g) = CO2(g) + 2 H2O(l)
CaCl2 + NH4OH = Ca(OH)2 + NH4Cl =>
CaCl2 + 2 NH4OH = Ca(OH)2 + 2 NH4Cl
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Fe + CuCl2 = FeCl2 + Cu =>
Fe + CuCl2 = FeCl2 + Cu
C7H16(l) + O2(g) = CO2(g) + H2O(g) =>
C7H16(l) + 11 O2(g) = 7 CO2(g) + 8 H2O(g)
AgNO3 + CuCl2 = AgCl + Cu(NO3)2 =>
2 AgNO3 + CuCl2 = 2 AgCl + Cu(NO3)2
AlO + HCl = AlCl + HO =>
AlO + HCl = AlCl + HO
sodiumcarbonate + phosphoricacid = sodiumphosphate + carbondioxide + water =>
3 Na2CO3 + 2 H3PO4 = 2 Na3PO4 + 3 CO2 + 3 H2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
CoBr3 + CaSO4 = CaBr2 + Co2(SO4)3 =>
2 CoBr3 + 3 CaSO4 = 3 CaBr2 + Co2(SO4)3
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
CaCl2 + (NH4)2C2O4 = CaC2O4 + NH4Cl =>
CaCl2 + (NH4)2C2O4 = CaC2O4 + 2 NH4Cl
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
N2O5 = NO2 + O2 =>
2 N2O5 = 4 NO2 + O2
CH4 + S8 = CS2 + H2S =>
2 CH4 + S8 = 2 CS2 + 4 H2S
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
C2H4O + O2 = CO2 + H2O =>
2 C2H4O + 5 O2 = 4 CO2 + 4 H2O
NH4NO3 + KOH = KNO3 + NH3 + H2O =>
NH4NO3 + KOH = KNO3 + NH3 + H2O
HNO3 + HI = NO + I2 + H2O =>
2 HNO3 + 6 HI = 2 NO + 3 I2 + 4 H2O
CaSO4 + SiO2 + C = CaSiO3 + CO + S =>
CaSO4 + SiO2 + 3 C = CaSiO3 + 3 CO + S
zinc + sulfuricacid = zincsulfate + hydrogen =>
Zn + H2SO4 = ZnSO4 + H2
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
CH4 + S = CS2 + H2S =>
CH4 + 4 S = CS2 + 2 H2S
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
KNO3 + K = K2O + N2 =>
2 KNO3 + 10 K = 6 K2O + N2
H{+} + Cr2O7{-2} + Cl{-} = Cr{+3} + Cl2 + H2O =>
14 H{+} + Cr2O7{-2} + 6 Cl{-} = 2 Cr{+3} + 3 Cl2 + 7 H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
C2H6O + O = CO2 + H2O =>
C2H6O + 6 O = 2 CO2 + 3 H2O
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
KNO3 = K2O + N2 + O2 =>
4 KNO3 = 2 K2O + 2 N2 + 5 O2
NaH + H2O = NaOH + H2 =>
NaH + H2O = NaOH + H2
Ag + NaCN + O2 + H2O = AgCN + NaOH =>
4 Ag + 4 NaCN + O2 + 2 H2O = 4 AgCN + 4 NaOH
HNO3 + NO = NO2 + H2O =>
2 HNO3 + NO = 3 NO2 + H2O
AgNO3 + FeBr2 = AgBr + Fe(NO3)2 =>
2 AgNO3 + FeBr2 = 2 AgBr + Fe(NO3)2
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