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PbS(s) + 4 H2O2(aq) = PbSO4(s) + 4 H2O(aq)
Zn(s) + O2(g) = Zn2O(s) =>
4 Zn(s) + O2(g) = 2 Zn2O(s)
Ca(NO3)2(s) = Ca(NO2)2(s) + O2(g) =>
Ca(NO3)2(s) = Ca(NO2)2(s) + O2(g)
Fe2O3(s) + NaCl(l) = FeCl3(s) + Na2O =>
Fe2O3(s) + 6 NaCl(l) = 2 FeCl3(s) + 3 Na2O
C + O4 = CO8 =>
C + 2 O4 = CO8
C5H14 + Cl2 = C6H13Cl + HCl =>
6 C5H14 + 12 Cl2 = 5 C6H13Cl + 19 HCl
Na3BO3 + H2SO4 = Na2SO4 + H3BO3 =>
2 Na3BO3 + 3 H2SO4 = 3 Na2SO4 + 2 H3BO3
Pb + H2O + O2 = Pb(OH)2 =>
2 Pb + 2 H2O + O2 = 2 Pb(OH)2
H2O + SO4 + KI = K2SO4 + HI + O =>
H2O + SO4 + 2 KI = K2SO4 + 2 HI + O
Zn + HNO3(d) = NO + H2O + Zn(NO3)2 =>
3 Zn + 8 HNO3(d) = 2 NO + 4 H2O + 3 Zn(NO3)2
AgNO3 + H2S = Ag2S + HNO3 =>
2 AgNO3 + H2S = Ag2S + 2 HNO3
C12 + H2O = C2H5OH + CO2 =>
C12 + 12 H2O = 4 C2H5OH + 4 CO2
Zn + HHCl = ZnCl2 + H2 =>
Zn + 2 HHCl = ZnCl2 + 2 H2
CH3CH2OK + CH3Cl = CH3CH2OCH3 + KCl =>
CH3CH2OK + CH3Cl = CH3CH2OCH3 + KCl
KClF2 = KF2Cl =>
KClF2 = KF2Cl
Na + H2*O = NaOH + H2* =>
2 Na + 2 H2*O = 2 NaOH + H2*
PbSO4 + Na3PO4 = Pb3(PO4)2 + Na2SO4 =>
3 PbSO4 + 2 Na3PO4 = Pb3(PO4)2 + 3 Na2SO4
Na + H2*O = NaOH + H2* =>
2 Na + 2 H2*O = 2 NaOH + H2*
C6H10O5 + NaOH = C6H12O6 + Na2O =>
C6H10O5 + 2 NaOH = C6H12O6 + Na2O
C2H4O + Cl2 = CCl4 + HCl + HClO =>
C2H4O + 6 Cl2 = 2 CCl4 + 3 HCl + HClO
Mg(NO3)2 + KH = MgH2 + KNO3 =>
Mg(NO3)2 + 2 KH = MgH2 + 2 KNO3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
S10H16 + O2 = SO4 + H2O =>
S10H16 + 24 O2 = 10 SO4 + 8 H2O
CH6COH + O2 = H2O + CO2 =>
4 CH6COH + 13 O2 = 14 H2O + 8 CO2
PaI3 = Pa + I2 =>
2 PaI3 = 2 Pa + 3 I2
Al2(SO4)3 + HOH = AlOHSO4 + H2SO4 =>
Al2(SO4)3 + 2 HOH = 2 AlOHSO4 + H2SO4
C16H18ClN3S + O2 = CO2 + H2O + NO3 + SO4 + Cl =>
C16H18ClN3S + 27 O2 = 16 CO2 + 9 H2O + 3 NO3 + SO4 + Cl
Al2(SO4)3 + NaOH + C2H2O4 = Na3[Al(C2O4)3] + H2O + Na2SO4 =>
Al2(SO4)3 + 12 NaOH + 6 C2H2O4 = 2 Na3[Al(C2O4)3] + 12 H2O + 3 Na2SO4
SO4 + KCl = KSO4 + Cl =>
SO4 + KCl = KSO4 + Cl
NaC2H3O2 + HOH = HC2H3O2 + NaOH =>
NaC2H3O2 + HOH = HC2H3O2 + NaOH
CuSO4 + Fe = FeSO4 + Cu =>
CuSO4 + Fe = FeSO4 + Cu
Al(s) + HCHO2(aq) = Al(CHO2)3 + H2 =>
2 Al(s) + 6 HCHO2(aq) = 2 Al(CHO2)3 + 3 H2
Fe*S = FeS =>
Fe*S = FeS
Fe2{+} + CuSO4 = FeSO4 + Cu2{+} =>
Fe2{+} + 2 CuSO4 = 2 FeSO4 + Cu2{+}
Al2Si2O5(OH)4 + HCl = AlCl3 + SiO2 + H2O =>
Al2Si2O5(OH)4 + 6 HCl = 2 AlCl3 + 2 SiO2 + 5 H2O
KCr(SO4)2 + Na2S + H2O = Cr(OH)3 + K2SO4 + Na2SO4 + H2S =>
2 KCr(SO4)2 + 3 Na2S + 6 H2O = 2 Cr(OH)3 + K2SO4 + 3 Na2SO4 + 3 H2S
CI2O5 = CI2 + O2 =>
2 CI2O5 = 2 CI2 + 5 O2
(NH4)2O + Pb(C2H3O2)4 = NH4C2H3O2 + PbO2 =>
2(NH4)2O + Pb(C2H3O2)4 = 4 NH4C2H3O2 + PbO2
[Co(H2O)6]2{+} + NH3 = [Co(NH3)6]2{+} + H2O =>
[Co(H2O)6]2{+} + 12 NH3 = [Co(NH3)6]2{+} + 12 H2O
Cu2SO4 + LiOH = CuOH + Li2SO4 =>
Cu2SO4 + 2 LiOH = 2 CuOH + Li2SO4
CH3CHCH2 + KMnO4 + H2O = CH3CHOHCH2OH + KOH + MnO2 =>
3 CH3CHCH2 + 2 KMnO4 + 4 H2O = 3 CH3CHOHCH2OH + 2 KOH + 2 MnO2
C3H7CH2OH + KMnO4 + H2SO4 = C3H7COOH + K2SO4 + MnSO4 + H2O =>
5 C3H7CH2OH + 4 KMnO4 + 6 H2SO4 = 5 C3H7COOH + 2 K2SO4 + 4 MnSO4 + 11 H2O
Al + Hg = HgAl =>
Al + Hg = HgAl
H4C2O + O2 = CO2 + H2O =>
2 H4C2O + 5 O2 = 4 CO2 + 4 H2O
H2S*Na2Cr2O7 + H2SO4 = Cr2(SO4)3 + H2O + S + NaHSO4 =>
3 H2S*Na2Cr2O7 + 13 H2SO4 = 3 Cr2(SO4)3 + 13 H2O + S + 6 NaHSO4
C106H263O110N16P + O2 = CO2 + H2O + NO2{-} + PO4{3-} + H{+} =>
C106H263O110N16P + 130 O2 = 106 CO2 + 122 H2O + 16 NO2{-} + PO4{3-} + 19 H{+}
Cr + MgSO4 = Mg + Cr2(SO4)3 =>
2 Cr + 3 MgSO4 = 3 Mg + Cr2(SO4)3
(CH3COO)2Pb + Zn = (CH3COO)2Zn + Pb =>
(CH3COO)2Pb + Zn = (CH3COO)2Zn + Pb
N + O + H2O = HNO =>
2 N + O + H2O = 2 HNO
NO2 + O2 + H2O = HNO3 =>
4 NO2 + O2 + 2 H2O = 4 HNO3
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