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4 H2O(g) + 3 CO2(g) = 5 O2(g) + C3H8(g)
HOCH2CH2CH2COCHO + Cr2O7 = HCOOH + CO2 + Cr =>
HOCH2CH2CH2COCHO + Cr2O7 = 4 HCOOH + CO2 + 2 Cr
CH3COOH + (CH3)2CHCH2OH = CH3COOCH2CH2CH(CH3)2 + H2O =>
4 CH3COOH + 5(CH3)2CHCH2OH = 4 CH3COOCH2CH2CH(CH3)2 + 5 H2O
Na(s) + HCl(aq) = NaCl(aq) + H2(g) =>
2 Na(s) + 2 HCl(aq) = 2 NaCl(aq) + H2(g)
NaMnO4 + CoSeO4 + H2SeO4 = MnSeO4 + Na2SeO4 + Co2(SeO4)3 + H2O =>
2 NaMnO4 + 10 CoSeO4 + 8 H2SeO4 = 2 MnSeO4 + Na2SeO4 + 5 Co2(SeO4)3 + 8 H2O
NH3 + H2PHO3 = (NH4)2PHO3 =>
2 NH3 + H2PHO3 = (NH4)2PHO3
U + H = HU =>
U + H = HU
Zn(s) + HCl(l) = ZnCl(l) + H2(g) =>
2 Zn(s) + 2 HCl(l) = 2 ZnCl(l) + H2(g)
H2SiO3 = SiO2 + H2O =>
H2SiO3 = SiO2 + H2O
NaSO4 = Na + SO3 + O =>
NaSO4 = Na + SO3 + O
HCl + NH4OH = H + ClNO =>
HCl + NH4OH = 6 H + ClNO
ZnS(s) + HCl(aq) = ZnCl2(aq) + H2S(l) =>
ZnS(s) + 2 HCl(aq) = ZnCl2(aq) + H2S(l)
Pb2O3 + Pb = PbO =>
Pb2O3 + Pb = 3 PbO
C4H8Br2 = C4H6 + HBr =>
C4H8Br2 = C4H6 + 2 HBr
KClO4 + S = SO3 + KCl =>
3 KClO4 + 4 S = 4 SO3 + 3 KCl
NH4CI + NaOH = NH4OH + NaCI =>
NH4CI + NaOH = NH4OH + NaCI
U + H = HU =>
U + H = HU
Re + K2FeO4 + HCl = ReCl4 + FeCl2 + KCl + H2O =>
Re + K2FeO4 + 8 HCl = ReCl4 + FeCl2 + 2 KCl + 4 H2O
Ca(C2H3O2)2 + K2SO4 = Ca2S2O8 + KC2H3O2 =>
2 Ca(C2H3O2)2 + 2 K2SO4 = Ca2S2O8 + 4 KC2H3O2
B + KI = BI3 + K =>
B + 3 KI = BI3 + 3 K
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
He + O2 = HeO2 =>
He + O2 = HeO2
NH3 + O4 = NO2 + H2O =>
8 NH3 + 7 O4 = 8 NO2 + 12 H2O
Na3PO4 + HCl = NaCl + H3PO4 =>
Na3PO4 + 3 HCl = 3 NaCl + H3PO4
C11H22O11 + O2 = CO2 + H2O =>
C11H22O11 + 11 O2 = 11 CO2 + 11 H2O
Pb5Sb4S11 + Cl2 = PbCl2 + Sb4S11 =>
Pb5Sb4S11 + 5 Cl2 = 5 PbCl2 + Sb4S11
NH4OH + NH4Cl = NH3 + NH4ClH2O =>
NH4OH + NH4Cl = NH3 + NH4ClH2O
H2SO4 + Ti(OH)4 = Ti(OH)2SO4 + H2O =>
H2SO4 + Ti(OH)4 = Ti(OH)2SO4 + 2 H2O
HNO3 + H = N2 + H2O =>
2 HNO3 + 10 H = N2 + 6 H2O
Al + BaSO4 = Al2(SO4)3 + Ba =>
2 Al + 3 BaSO4 = Al2(SO4)3 + 3 Ba
CuSO4 + KJ = CuJ + K2SO4 + J2 =>
2 CuSO4 + 4 KJ = 2 CuJ + 2 K2SO4 + J2
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
SO3 + O2 = SO3O =>
2 SO3 + O2 = 2 SO3O
CaCI = Ca2 + CI =>
2 CaCI = Ca2 + 2 CI
SrCl2(aq) + NaCO3(aq) = SrCO3(s) + NaCl2 =>
SrCl2(aq) + NaCO3(aq) = SrCO3(s) + NaCl2
As + Cl = AsCl3 =>
As + 3 Cl = AsCl3
Cs2S + Al(NO3)3 = CsNO3 + Al2S3 =>
3 Cs2S + 2 Al(NO3)3 = 6 CsNO3 + Al2S3
Sn(OH)2 + NaOH = Sn[Na(OH)3] =>
Sn(OH)2 + NaOH = Sn[Na(OH)3]
Cu(NO3)2 + Na2C2O4 = CuC2O4 + NaNO3 =>
Cu(NO3)2 + Na2C2O4 = CuC2O4 + 2 NaNO3
Mg2Si(s) + H2O(l) = Mg(OH)2(aq) + SiH4(g) =>
Mg2Si(s) + 4 H2O(l) = 2 Mg(OH)2(aq) + SiH4(g)
HCIO = HCI + HCIO3 =>
3 HCIO = 2 HCI + HCIO3
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
Cs + HNO3 = CsNO3 + NH3 + H2O =>
8 Cs + 9 HNO3 = 8 CsNO3 + NH3 + 3 H2O
Mg(s) + H2O(g) = MgO + H2 =>
Mg(s) + H2O(g) = MgO + H2
Fe + C = Fe3C =>
3 Fe + C = Fe3C
ZnO + AlI3 = ZnI2 + Al2O3 =>
3 ZnO + 2 AlI3 = 3 ZnI2 + Al2O3
C6H5NH2 + Br2 = C6H2NH2Br3 + HBr =>
C6H5NH2 + 3 Br2 = C6H2NH2Br3 + 3 HBr
H2SO4 + CuO = CuO4S + H2O =>
H2SO4 + CuO = CuO4S + H2O
NaBH4 + CuSO4 + H2O = Na2SO4 + CuBO3 + H3BO3 + H2 =>
4 NaBH4 + 2 CuSO4 + 12 H2O = 2 Na2SO4 + 2 CuBO3 + 2 H3BO3 + 17 H2
Pd(NO3)2 + Zn = Zn(NO3)2 + Pd =>
Pd(NO3)2 + Zn = Zn(NO3)2 + Pd
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