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ZnO + H2 = Zn + H2O
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
BaSO4 + CuCl2 = CuSO4 + BaCl2 =>
BaSO4 + CuCl2 = CuSO4 + BaCl2
CaCO3(s) + HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq) =>
CaCO3(s) + 2 HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq)
Zn + Pb(NO3)2 = Pb + Zn(NO3)2 =>
Zn + Pb(NO3)2 = Pb + Zn(NO3)2
KCLO3 = KCLO4 + KCL =>
4 KCLO3 = 3 KCLO4 + KCL
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
Zn + HNO3 = Zn(NO3)2 + NO + H2O =>
3 Zn + 8 HNO3 = 3 Zn(NO3)2 + 2 NO + 4 H2O
HgS + HNO3 + HCl = HgCl2 + H2O + NO + S =>
3 HgS + 2 HNO3 + 6 HCl = 3 HgCl2 + 4 H2O + 2 NO + 3 S
KI + K2Cr2O7 + H2SO4 = I2 + Cr2(SO4)3 + K2SO4 + H2O =>
6 KI + K2Cr2O7 + 7 H2SO4 = 3 I2 + Cr2(SO4)3 + 4 K2SO4 + 7 H2O
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
Co + AgCl = Ag + CoCl2 =>
Co + 2 AgCl = 2 Ag + CoCl2
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
MnO2 + H2 = MnO + H2O =>
MnO2 + H2 = MnO + H2O
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3 =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3
PBO + CO = PB + CO2 =>
PBO + CO = PB + CO2
Na2SO4 + CuCl2 = NaCl + CuSO4 =>
Na2SO4 + CuCl2 = 2 NaCl + CuSO4
HgS + HNO3 + HCl = HgCl2 + S + NO + H2O =>
3 HgS + 2 HNO3 + 6 HCl = 3 HgCl2 + 3 S + 2 NO + 4 H2O
Al + H3PO4 = H2 + AlPO4 =>
2 Al + 2 H3PO4 = 3 H2 + 2 AlPO4
ZnBr2 + Na2CO3 = ZnCO3 + NaBr =>
ZnBr2 + Na2CO3 = ZnCO3 + 2 NaBr
HCl + BA(OH)2 = BACl2 + H2O =>
2 HCl + BA(OH)2 = BACl2 + 2 H2O
CaCO3 + HCl = H2O + CO2 + CaCl2 =>
CaCO3 + 2 HCl = H2O + CO2 + CaCl2
Na2 + O2 = Na2O =>
2 Na2 + O2 = 2 Na2O
CaCO3 + HCl = H2O + CO2 + CaCl2 =>
CaCO3 + 2 HCl = H2O + CO2 + CaCl2
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
CaCO3 + HCl = H2O + CO2 + CaCl2 =>
CaCO3 + 2 HCl = H2O + CO2 + CaCl2
C14H10 + O2 = CO2 + H2O =>
2 C14H10 + 33 O2 = 28 CO2 + 10 H2O
CaCO3 + HCl = H2O + CO2 + CaCl2 =>
CaCO3 + 2 HCl = H2O + CO2 + CaCl2
Na + S = Na2S =>
2 Na + S = Na2S
AGNO3 + NACL = NANO3 + AGCL =>
AGNO3 + NACL = NANO3 + AGCL
H2 + N2 = NH3 =>
3 H2 + N2 = 2 NH3
AGNO3 + NACL = NANO3 + AGCL =>
AGNO3 + NACL = NANO3 + AGCL
Mg(ClO3)2 = MgCl2 + O2 =>
Mg(ClO3)2 = MgCl2 + 3 O2
Al(PO3)3 + CuSO4 = Al2(SO4)3 + Cu(PO3)2 =>
2 Al(PO3)3 + 3 CuSO4 = Al2(SO4)3 + 3 Cu(PO3)2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
C10H22 = C5H12 + C5H10 =>
C10H22 = C5H12 + C5H10
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
BaO2 = BaO + O2 =>
2 BaO2 = 2 BaO + O2
N2O = N2 + O2 =>
2 N2O = 2 N2 + O2
ZN(NO3)2 = ZNO + NO2 + O2 =>
2 ZN(NO3)2 = 2 ZNO + 4 NO2 + O2
BaO2 = BaO + O2 =>
2 BaO2 = 2 BaO + O2
Zn + PbNO3 = ZnNO3 + Pb =>
Zn + PbNO3 = ZnNO3 + Pb
CA3(PO4)2 + SIO2 + C = CASIO3 + P4 + CO =>
2 CA3(PO4)2 + 6 SIO2 + 14 C = 6 CASIO3 + P4 + 10 CO
Li2O + SO2 = LiO2 + SO =>
Li2O + 3 SO2 = 2 LiO2 + 3 SO
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
Na2O2 + H2O = NaOH + O2 =>
2 Na2O2 + 2 H2O = 4 NaOH + O2
Zn + Fe(CN)6 = Zn(CN)6 + Fe =>
Zn + Fe(CN)6 = Zn(CN)6 + Fe
CH3CO2C2H5 + NaOH = C2H5OH + CH3CO2Na =>
CH3CO2C2H5 + NaOH = C2H5OH + CH3CO2Na
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