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2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
N2SO4 + NaCl = Na2SO4 + NCl =>
N2SO4 + 2 NaCl = Na2SO4 + 2 NCl
K2SiO3 + HNO3 = KNO3 + H2SiO3 =>
K2SiO3 + 2 HNO3 = 2 KNO3 + H2SiO3
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Cl2H2 = H2 + Cl2 =>
Cl2H2 = H2 + Cl2
Ba(OH)2(aq) + Na2CO3(aq) = BaCO3(s) + NaOH(aq) =>
Ba(OH)2(aq) + Na2CO3(aq) = BaCO3(s) + 2 NaOH(aq)
CH3CHOHCOOH + KOH = CH3CHOHCOOK + H2O =>
CH3CHOHCOOH + KOH = CH3CHOHCOOK + H2O
PbSO4 + Na2CO3 + C = Pb + Na2SO4 + CO2 =>
2 PbSO4 + 2 Na2CO3 + C = 2 Pb + 2 Na2SO4 + 3 CO2
Pb(NO3)2 + HBr = H(NO3) + PbBr2 =>
Pb(NO3)2 + 2 HBr = 2 H(NO3) + PbBr2
Si2 + O = SiO2 =>
Si2 + 4 O = 2 SiO2
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
P2O3 + H2O = H3PO4 + P =>
5 P2O3 + 9 H2O = 6 H3PO4 + 4 P
C15H31COOK + HCl = C15H31COOH + KCl =>
C15H31COOK + HCl = C15H31COOH + KCl
Zr(OH)4 + H2S = ZrS2 + H2O =>
Zr(OH)4 + 2 H2S = ZrS2 + 4 H2O
Al4C3 + H2O = CH4 + Al(OH)3 =>
Al4C3 + 12 H2O = 3 CH4 + 4 Al(OH)3
Bi2O3 + HI = BiI3 + H2O =>
Bi2O3 + 6 HI = 2 BiI3 + 3 H2O
Cl2 + Li = LiCl = I2 =>
Cl2 + 2 Li = 2 LiCl
C2H6 + CO2 + H2O = C2H6O =>
6 C2H6 + 2 CO2 + 3 H2O = 7 C2H6O
FeCl3 + H2S + H2O = FeS + HCl + H2SO4 =>
8 FeCl3 + 9 H2S + 4 H2O = 8 FeS + 24 HCl + H2SO4
Fe + SO4 = (Fe)2(SO4)3 =>
2 Fe + 3 SO4 = (Fe)2(SO4)3
Fe + SCN = Fe(SCN)2 =>
Fe + 2 SCN = Fe(SCN)2
HClO4 + CuOH = Cu(ClO4) + H2O =>
HClO4 + CuOH = Cu(ClO4) + H2O
MgO + H2SO4 = MgSO4 + H2OH2O =>
2 MgO + 2 H2SO4 = 2 MgSO4 + H2OH2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
H2S + H2O3 = H2O + S =>
2 H2S + H2O3 = 3 H2O + 2 S
HClO4(conc) = Cl2(g) + O2(g) + H2O(g) =>
4 HClO4(conc) = 2 Cl2(g) + 7 O2(g) + 2 H2O(g)
FeCl3(aq) + Cu(s) = CuCl2(aq) + Fe(s) =>
2 FeCl3(aq) + 3 Cu(s) = 3 CuCl2(aq) + 2 Fe(s)
Sc2(CO3)3 + H2SO4 = Sc2(SO4)3 + CO2 + H2O =>
Sc2(CO3)3 + 3 H2SO4 = Sc2(SO4)3 + 3 CO2 + 3 H2O
Mg(OH)2 + H2 + SO4 = MgSO4 + H2O =>
Mg(OH)2 + H2 + SO4 = MgSO4 + 2 H2O
Cl2O5 + H2O = HClO3 =>
Cl2O5 + H2O = 2 HClO3
C4H8N8O8(s) = CO(g) + H2O(g) + N2(g) =>
C4H8N8O8(s) = 4 CO(g) + 4 H2O(g) + 4 N2(g)
C4H6NiO4 + NaOH = C4H6OH + NaNiO4 =>
C4H6NiO4 + NaOH = C4H6OH + NaNiO4
C9H18 + O2 = CO2 + H2O =>
2 C9H18 + 27 O2 = 18 CO2 + 18 H2O
Al + NH4ClO4 = Al2O3 + AlCl3 + NO + H2O =>
3 Al + 3 NH4ClO4 = Al2O3 + AlCl3 + 3 NO + 6 H2O
Cd(HCO3)2 = CdCO3 + H2O + CO2 =>
Cd(HCO3)2 = CdCO3 + H2O + CO2
Mn + PbO2 = MnO4{-} + Pb2{+} =>
Mn + 2 PbO2 = MnO4{-} + Pb2{+}
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
NH3BH3 = H2 + H2NBH2 =>
NH3BH3 = H2 + H2NBH2
P + C = PC3 =>
P + 3 C = PC3
C6H12 + O2 = CO2 + H2O =>
C6H12 + 9 O2 = 6 CO2 + 6 H2O
Sb + Br2 = Sb3Br5 =>
6 Sb + 5 Br2 = 2 Sb3Br5
Ca(OH)2 + HCH3COOH = Ca(CH3COOH)2 + H2O =>
Ca(OH)2 + 2 HCH3COOH = Ca(CH3COOH)2 + 2 H2O
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
CuO + HNO3 + H2O = Cu(NO3)2*5H2O =>
CuO + 2 HNO3 + 4 H2O = Cu(NO3)2*5H2O
Pb(NO3)2 + K2CrO4 = PbCrO4 + KNO3 =>
Pb(NO3)2 + K2CrO4 = PbCrO4 + 2 KNO3
Ag(OH)2 + HCl = AgCl2 + H2O =>
Ag(OH)2 + 2 HCl = AgCl2 + 2 H2O
K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O + O2 =>
2 K2Cr2O7 + 8 H2SO4 = 2 K2SO4 + 2 Cr2(SO4)3 + 8 H2O + 3 O2
CuSO4 + Na2S = Cu2S + Na2(SO4)2 =>
2 CuSO4 + Na2S = Cu2S + Na2(SO4)2
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