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4 C4H5N2O + 19 O2 = 16 CO2 + 10 H2O + 4 N2
CaO + SO3 = CaSO4 = CaSO3 =>
CaO + SO3 = CaSO4
MnCl2 + HF = MnF2 + HCl =>
MnCl2 + 2 HF = MnF2 + 2 HCl
Na + Si + O2 = Na2SiO4 =>
2 Na + Si + 2 O2 = Na2SiO4
Ca + SiO3 = CaSiO3 =>
Ca + SiO3 = CaSiO3
Na2MnO4 + Cl2 = NaMnO4 + NaCl =>
2 Na2MnO4 + Cl2 = 2 NaMnO4 + 2 NaCl
K2CrO4 + SnCl2 + KOH + H2O = K3[Cr(OH)6] + K2[Sn(OH)6] + KCl =>
2 K2CrO4 + 3 SnCl2 + 14 KOH + 8 H2O = 2 K3[Cr(OH)6] + 3 K2[Sn(OH)6] + 6 KCl
AlC + H2O = (CH)4 + AlOH =>
4 AlC + 4 H2O = (CH)4 + 4 AlOH
CaO + SiO2 = CaSiO3 =>
CaO + SiO2 = CaSiO3
CaS + HBr = CaBr2 + H2S =>
CaS + 2 HBr = CaBr2 + H2S
NaOH + KHT = KOH + NaHT =>
NaOH + KHT = KOH + NaHT
Pb(OH)2 + AgNO3 = Pb(NO3)2 + AgOH =>
Pb(OH)2 + 2 AgNO3 = Pb(NO3)2 + 2 AgOH
NH4Cl + Be(OH)2 = BeCl2 + NH3 + H2O =>
2 NH4Cl + Be(OH)2 = BeCl2 + 2 NH3 + 2 H2O
Mn(OH)2 + H2O + O2 = Mn(OH)3 =>
4 Mn(OH)2 + 2 H2O + O2 = 4 Mn(OH)3
Ba + CO2 + O2 = BaCO3 =>
2 Ba + 2 CO2 + O2 = 2 BaCO3
Na2CO3(aq) + HCl(aq) = NaCl + H2O + CO2 =>
Na2CO3(aq) + 2 HCl(aq) = 2 NaCl + H2O + CO2
F2 + H2SO4 = F2SO4 + H2 =>
F2 + H2SO4 = F2SO4 + H2
Co2 + C = CoC =>
Co2 + 2 C = 2 CoC
P + H2 = P1H2 =>
P + H2 = P1H2
Fe + NaCl = Na + FeCl2 =>
Fe + 2 NaCl = 2 Na + FeCl2
CaSO3 + HI = CaI + HSO3 =>
CaSO3 + HI = CaI + HSO3
BaCl2(aq) + K2CO3(aq) = BaCO3(aq) + KCl(aq) =>
BaCl2(aq) + K2CO3(aq) = BaCO3(aq) + 2 KCl(aq)
H2SO4(aq) + NaOH(aq) = Na2SO4(s) + H2O() =>
H2SO4(aq) + 2 NaOH(aq) = Na2SO4(s) + 2 H2O()
HCHO2(aq) + KOH(aq) = H2O(l) + KCHO2(aq) =>
HCHO2(aq) + KOH(aq) = H2O(l) + KCHO2(aq)
Cs{+} + I{-} = CsI =>
Cs{+} + I{-} = CsI
CH3CH2Br + CH3CH2ONa = CH3CH2OCH2CH3 + NaBr =>
CH3CH2Br + CH3CH2ONa = CH3CH2OCH2CH3 + NaBr
FeCl2 + NH3 = Fe + NCl + H2 =>
FeCl2 + 2 NH3 = Fe + 2 NCl + 3 H2
HNo2 + Ca(OH)2 = Ca(No2)2 + H2O =>
2 HNo2 + Ca(OH)2 = Ca(No2)2 + 2 H2O
FeH2 + O2 = Fe(OH)2 =>
FeH2 + O2 = Fe(OH)2
HCOONH4 + NaOH = HCOONa + NH3 + H2O =>
HCOONH4 + NaOH = HCOONa + NH3 + H2O
Cr(OH)3KOH = K[Cr(OH)4] =>
Cr(OH)3KOH = K[Cr(OH)4]
HI(aq) + Rb(OH)(aq) = RbI(aq) + H2O(l) =>
HI(aq) + Rb(OH)(aq) = RbI(aq) + H2O(l)
FeS2 + O2Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 FeS2 + 8 O2Fe + 11 H2SO4 = 5 Fe2(SO4)3 + 11 H2
Cs(s) + S(s) = Cs2S(s) =>
2 Cs(s) + S(s) = Cs2S(s)
AuNO3 + Ba = Ba(NO3)2 + Au =>
2 AuNO3 + Ba = Ba(NO3)2 + 2 Au
Cl + CuSO4 = ClSO4 + Cu =>
Cl + CuSO4 = ClSO4 + Cu
Ca + C2O4 = CaO4 + C =>
Ca + C2O4 = CaO4 + 2 C
HNo2 + Ca(OH)2 = Ca(No2)2 + H2O =>
2 HNo2 + Ca(OH)2 = Ca(No2)2 + 2 H2O
C10H8 + CuO = Cu + CO2 + H2O =>
C10H8 + 24 CuO = 24 Cu + 10 CO2 + 4 H2O
NaAc(aq) + AgNO3(aq) = AgAc(s) + NaNO3(aq) =>
NaAc(aq) + AgNO3(aq) = AgAc(s) + NaNO3(aq)
AgCH3CO2 + NiCl2 = AgCl + Ni(CH3CO2)2 =>
2 AgCH3CO2 + NiCl2 = 2 AgCl + Ni(CH3CO2)2
As4S6 + O2(g) = As4O6(s) + SO2(g) =>
As4S6 + 9 O2(g) = As4O6(s) + 6 SO2(g)
Li + Cl = LiCl =>
Li + Cl = LiCl
Pb(C6H3O2) + KI = K(C6H3O2) + PbI =>
Pb(C6H3O2) + KI = K(C6H3O2) + PbI
Cl2(g) + KI = I2(s) + KCl =>
Cl2(g) + 2 KI = I2(s) + 2 KCl
Ga + NaOH = GaOH + Na =>
Ga + NaOH = GaOH + Na
C7H4O + O2 = CO2 + H2O =>
2 C7H4O + 15 O2 = 14 CO2 + 4 H2O
Ca + SiO3 = CaSiO3 =>
Ca + SiO3 = CaSiO3
Fe{2+} + O2 = Fe + O{2+} =>
2 Fe{2+} + O2 = 2 Fe + 2 O{2+}
CH4 + Cl2 = CCl4 + HCl =>
CH4 + 4 Cl2 = CCl4 + 4 HCl
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