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CH4(g) + 2 O2(g) = CO2(g) + 2 H2O(g)
Na2SO3 + KClO3 = KCl + Na2SO4 =>
3 Na2SO3 + KClO3 = KCl + 3 Na2SO4
Fe + HF = Fe(HF)2 =>
Fe + 2 HF = Fe(HF)2
Al + O2 = Al2O4 =>
2 Al + 2 O2 = Al2O4
Na2Cr2O7 + HCl = Na + H2Cr2O7 + Cl2 =>
Na2Cr2O7 + 2 HCl = 2 Na + H2Cr2O7 + Cl2
AgNO3 + H2S = Ag2S + HNO3 =>
2 AgNO3 + H2S = Ag2S + 2 HNO3
HCl + Sb2O3 = SbCl3 + H2O =>
6 HCl + Sb2O3 = 2 SbCl3 + 3 H2O
AlCl3 + LiNO3 = Al(NO3)3 + LiCl =>
AlCl3 + 3 LiNO3 = Al(NO3)3 + 3 LiCl
CO(OH)3 + KI + H2SO4 = COSO4 + I2 + K2SO4 + H2O =>
2 CO(OH)3 + 2 KI + 3 H2SO4 = 2 COSO4 + I2 + K2SO4 + 6 H2O
H2O(l) + HNO3(aq) = NH3 + O2 =>
H2O(l) + HNO3(aq) = NH3 + 2 O2
CF2 + Al3 = AlF3 + C2 =>
18 CF2 + 4 Al3 = 12 AlF3 + 9 C2
NiCl2 + O2 = NiO + [Cl4]5O5 =>
20 NiCl2 + 15 O2 = 20 NiO + 2[Cl4]5O5
(Na2)O + CO2 = (Na2)C(O3) =>
(Na2)O + CO2 = (Na2)C(O3)
N2 + KrF2 = Kr + FN3 =>
3 N2 + KrF2 = Kr + 2 FN3
Eu2(CO3)3 + HCl = EuCl3 + CO2 + H2O =>
Eu2(CO3)3 + 6 HCl = 2 EuCl3 + 3 CO2 + 3 H2O
NH3CH3 + H2O = OH{-} + NH4CH3{+} =>
NH3CH3 + H2O = OH{-} + NH4CH3{+}
PbO2 + KNO2 + HNO3 = Pb(NO3)2 + KNO3 + H2O =>
PbO2 + KNO2 + 2 HNO3 = Pb(NO3)2 + KNO3 + H2O
C + NHNO3 = CO2 + H2O + N2 =>
5 C + 4 NHNO3 = 5 CO2 + 2 H2O + 4 N2
KMnO4 + H2SO4 = SKSO4 + MnSO4 + O2 + H2O =>
2 KMnO4 + 6 H2SO4 = 2 SKSO4 + 2 MnSO4 + 5 O2 + 6 H2O
Ca3(PO4)2 + H2SO4 = CaSO4 + Ca(H2PO4)2 =>
Ca3(PO4)2 + 2 H2SO4 = 2 CaSO4 + Ca(H2PO4)2
ZnCO3 + H2O = Zn(OH)2 + H2CO3 =>
ZnCO3 + 2 H2O = Zn(OH)2 + H2CO3
NaCN + HF = Na{+} + F{-} + HCN =>
NaCN + HF = Na{+} + F{-} + HCN
Sn(CO3) = SnO + CO2 =>
Sn(CO3) = SnO + CO2
Fe + AlCl3 = FeAl + Cl2 =>
2 Fe + 2 AlCl3 = 2 FeAl + 3 Cl2
NaCl + CaCO3 = CaCl2 + Na2CO3 =>
2 NaCl + CaCO3 = CaCl2 + Na2CO3
Q11 = Q4 =>
4 Q11 = 11 Q4
C6H5C2H5 + Cl2 = C6H5C2H4Cl + HCl =>
C6H5C2H5 + Cl2 = C6H5C2H4Cl + HCl
Pb(CH3COO)2 + Na2CO3 + H2O = Pb3(OH)2(CO3)2 + NaCH3COO + CO2 =>
3 Pb(CH3COO)2 + 3 Na2CO3 + H2O = Pb3(OH)2(CO3)2 + 6 NaCH3COO + CO2
KHS + Cl2 = KCl + HCl + S =>
KHS + Cl2 = KCl + HCl + S
HCOONa + H2SO4 = HCOOH + NaHSO4 =>
HCOONa + H2SO4 = HCOOH + NaHSO4
FeNO3 + CoSO4 = FeSO4 + CoNO3 =>
FeNO3 + CoSO4 = FeSO4 + CoNO3
Na2C2 + H2O = C2H2 + NaOH =>
Na2C2 + 2 H2O = C2H2 + 2 NaOH
Na2CO3(aq) + Cd(ClO3)2(aq) = NaClO3(aq) + CdCO3(s) =>
Na2CO3(aq) + Cd(ClO3)2(aq) = 2 NaClO3(aq) + CdCO3(s)
Na2S2O5 + KMnO4 = Na2MnO4 + KS2O5 =>
Na2S2O5 + KMnO4 = Na2MnO4 + KS2O5
H2S + O2 = SSO2 + H2O =>
2 H2S + 2 O2 = SSO2 + 2 H2O
C23H25NO6 + O2 = CO2 + H2O + NH3 =>
2 C23H25NO6 + 51 O2 = 46 CO2 + 22 H2O + 2 NH3
SO4 + H2O = H2SO4 + O2 =>
2 SO4 + 2 H2O = 2 H2SO4 + O2
KI + Hg(NO3) = HgI + K(NO3) =>
KI + Hg(NO3) = HgI + K(NO3)
HBr = Br + H2 =>
2 HBr = 2 Br + H2
CO + (H2) = CH3OH =>
CO + 2(H2) = CH3OH
K2Cr2O7 + KI + H2SO4 = K2SO4 + H2O + Cr2(SO4)3 + I2 =>
K2Cr2O7 + 6 KI + 7 H2SO4 = 4 K2SO4 + 7 H2O + Cr2(SO4)3 + 3 I2
FeCl3 + CuCO3 = Fe2(CO3)3 + CuCl2 =>
2 FeCl3 + 3 CuCO3 = Fe2(CO3)3 + 3 CuCl2
NaOH + CuCI2 = CuOH + NaCI2 =>
NaOH + CuCI2 = CuOH + NaCI2
KOH + H2SO4 = H2O + K2S + O2 =>
2 KOH + H2SO4 = 2 H2O + K2S + 2 O2
K2 + CrO4 + AgNO = Ag2CrO4 + KNO =>
K2 + CrO4 + 2 AgNO = Ag2CrO4 + 2 KNO
CO(NH2)2 = HNCO + NH3 =>
CO(NH2)2 = HNCO + NH3
Cr2 + O3 = CrO =>
3 Cr2 + 2 O3 = 6 CrO
Ca(CN)2 + H2O = CaCO3 + NH3 + C =>
Ca(CN)2 + 3 H2O = CaCO3 + 2 NH3 + C
Be + H3(PO4) = H + Be3(PO4) =>
3 Be + H3(PO4) = 3 H + Be3(PO4)
Eu2O3 + HBr = EuBr3 + H2O =>
Eu2O3 + 6 HBr = 2 EuBr3 + 3 H2O
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