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(b)C2H4(g) + 3 O2(g) = 2 CO2(g) + 2 H2O(l)
H2SO4 + Pb(C2H3O2)2 = CH3COOH + PbSO4 =>
H2SO4 + Pb(C2H3O2)2 = 2 CH3COOH + PbSO4
K + F2 = KF =>
2 K + F2 = 2 KF
BaS + CO2 + O2 = BaCO3 + SO2 =>
2 BaS + 2 CO2 + 3 O2 = 2 BaCO3 + 2 SO2
CaO + H2O = Ca(OH)2 = Ca + OH = Ca + OH + Mg = Mg(OH)2 + Ca =>
CaO + H2O = Ca(OH)2
Na3PO4 + (NH4)6Mo7O24 + HNO3 = (NH4)2(PMo12O40) + Na2NO3 + (NH4)2NO4 + H2O =>
70 Na3PO4 + 120(NH4)6Mo7O24 + 446 HNO3 = 70(NH4)2(PMo12O40) + 105 Na2NO3 + 307(NH4)2NO4 + 155 H2O
K202 + H2O = KOH + H202 =>
K202 + 202 H2O = 202 KOH + H202
Ca + Br2 = Ca(Br)2 =>
Ca + Br2 = Ca(Br)2
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
CH2OHCH2CH2CH2OH + KMnO4 + H2SO4 = MnSO4 + K2SO4 + H2O + HOOCCH2CH2COOH =>
5 CH2OHCH2CH2CH2OH + 8 KMnO4 + 12 H2SO4 = 8 MnSO4 + 4 K2SO4 + 22 H2O + 5 HOOCCH2CH2COOH
CaCO3(s) + HNO3(aq) = Ca(NO3)2(aq) + H2O + CO2 =>
CaCO3(s) + 2 HNO3(aq) = Ca(NO3)2(aq) + H2O + CO2
HO2 + Ba2O2 = BaO2 + H2O2 =>
2 HO2 + Ba2O2 = 2 BaO2 + H2O2
K2FeO4 + NH3 + H2O = Fe(OH)3 + KOH + N2 =>
2 K2FeO4 + 2 NH3 + 2 H2O = 2 Fe(OH)3 + 4 KOH + N2
SnCl2 + Ce(SO4)2 + HCl = Sn(SO4)2 + CeCl3 + H2 =>
2 SnCl2 + 2 Ce(SO4)2 + 2 HCl = 2 Sn(SO4)2 + 2 CeCl3 + H2
SnCl4 + KI = KCl + SnI4 =>
SnCl4 + 4 KI = 4 KCl + SnI4
MnCl + RbOH = MnOH + RbCl =>
MnCl + RbOH = MnOH + RbCl
V + P = VP =>
V + P = VP
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
K2(CO3) + AlCl3 = Al2(CO3)3 + KCl =>
3 K2(CO3) + 2 AlCl3 = Al2(CO3)3 + 6 KCl
Ca(H2PO4)2*H2O = CaHPO4*H2O + H3PO4 =>
Ca(H2PO4)2*H2O = CaHPO4*H2O + H3PO4
Zn(OH)3 + HCl = ZnCl3 + H2O =>
Zn(OH)3 + 3 HCl = ZnCl3 + 3 H2O
OCl{-} + S2O2{-2} + OH{-} = SO4{-2} + Cl{-} + H2O =>
5 OCl{-} + S2O2{-2} + 2 OH{-} = 2 SO4{-2} + 5 Cl{-} + H2O
KF + Ca(NO3)2 = CaK2 + FNO3 =>
2 KF + Ca(NO3)2 = CaK2 + 2 FNO3
CHO3 = CO2OH =>
CHO3 = CO2OH
FeS2 + O2 = Fe2O3 + SO3 =>
4 FeS2 + 15 O2 = 2 Fe2O3 + 8 SO3
SiCl4(l) + H2O(l) = SiO2(s) + HCl(aq) =>
SiCl4(l) + 2 H2O(l) = SiO2(s) + 4 HCl(aq)
SrO + SO2 = Sr + SO3 =>
SrO + SO2 = Sr + SO3
K2Cr2O7 + (CH3COO)2Pb + H2O = PbCrO4 + CH3COOK + CH3COOH =>
K2Cr2O7 + 2(CH3COO)2Pb + H2O = 2 PbCrO4 + 2 CH3COOK + 2 CH3COOH
As + Br2 = As2Br =>
4 As + Br2 = 2 As2Br
ZnO + SO3 = Zn(SO4) =>
ZnO + SO3 = Zn(SO4)
LiH2PO4 + Al2(CO3)3 = Li2CO3 + Al(H2PO4)3 =>
6 LiH2PO4 + Al2(CO3)3 = 3 Li2CO3 + 2 Al(H2PO4)3
O2 + H2SO4 = O2SO4 + H2 =>
O2 + H2SO4 = O2SO4 + H2
Li2SO4 + K3PO4 = Li3PO4 + K2SO4 =>
3 Li2SO4 + 2 K3PO4 = 2 Li3PO4 + 3 K2SO4
K + AgCl = Ag + KCl =>
K + AgCl = Ag + KCl
Hg(NO3)2 + K2CrO4 = HgCrO4 + K2(NO3)2 =>
Hg(NO3)2 + K2CrO4 = HgCrO4 + K2(NO3)2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
FeSO4 + H2SO4 + Cl2 = Fe2(SO4)3 + HCl =>
2 FeSO4 + H2SO4 + Cl2 = Fe2(SO4)3 + 2 HCl
C + H2SO4 = CO2 + H2O + SO2 =>
C + 2 H2SO4 = CO2 + 2 H2O + 2 SO2
MgO + P2O5 = MgO5 + P2 =>
5 MgO + 4 P2O5 = 5 MgO5 + 4 P2
FeSO4 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + H2O =>
6 FeSO4 + K2Cr2O7 + 7 H2SO4 = 3 Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + 7 H2O
H2O + NO2 + ClO{-} = NO3{-} + Cl{-} + H{+} =>
H2O + 2 NO2 + ClO{-} = 2 NO3{-} + Cl{-} + 2 H{+}
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
FeSO4 + Mg(OH)2 = Fe(OH)2 + MgSO4 =>
FeSO4 + Mg(OH)2 = Fe(OH)2 + MgSO4
S8(s) + Fe(s) = Fe2S3(s) =>
3 S8(s) + 16 Fe(s) = 8 Fe2S3(s)
FeO + Cl2 = FeCl2 + O2 =>
2 FeO + 2 Cl2 = 2 FeCl2 + O2
CH3OH + OHPOOHOH = CH3OPOOHOCH3 + H2O =>
2 CH3OH + OHPOOHOH = CH3OPOOHOCH3 + 2 H2O
C8H8O + NaBH4 + H2O = C6H5CH(OH)CH3 + BH3OH + Na =>
C8H8O + NaBH4 + H2O = C6H5CH(OH)CH3 + BH3OH + Na
Li + MnO4 = LiMnO4 =>
Li + MnO4 = LiMnO4
H2 + F2 = HF =>
H2 + F2 = 2 HF
MgO + CaOH = MgOH2 + CaO =>
MgO + 2 CaOH = MgOH2 + 2 CaO
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