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CaCO3(aq) + 2 CH3CO2H = CaH2 + CO3(CH3CO2)2
MnO2 + S2O8{2-} + H2O = MnO4{-} + SO4{2-} + H{+} =>
2 MnO2 + 3 S2O8{2-} + 4 H2O = 2 MnO4{-} + 6 SO4{2-} + 8 H{+}
KClO7 = KCl + O2 =>
2 KClO7 = 2 KCl + 7 O2
ethylene + KMnO4 + H2SO4 = CO2 + H2O + MnSO4 + K2SO4 =>
5 C2H4 + 12 KMnO4 + 18 H2SO4 = 10 CO2 + 28 H2O + 12 MnSO4 + 6 K2SO4
Ca + F = CaF2 =>
Ca + 2 F = CaF2
Co(CH3COCHCOCH3)3 + O2 = CH3COCH3 + Co2O3 + CO2 =>
2 Co(CH3COCHCOCH3)3 + 8 O2 = 7 CH3COCH3 + Co2O3 + 9 CO2
Ca(s) + PbCl2(aq) = CaCl2(aq) + Pb(s) =>
Ca(s) + PbCl2(aq) = CaCl2(aq) + Pb(s)
Al(s) + H2SO4(aq) = Al(SO4)3(aq) + H2(q) =>
Al(s) + 3 H2SO4(aq) = Al(SO4)3(aq) + 3 H2(q)
MnO4{-} + CH3CH2OH + H{+} = Mn + CH3COOH + H2O =>
4 MnO4{-} + 7 CH3CH2OH + 4 H{+} = 4 Mn + 7 CH3COOH + 9 H2O
H2S + Cr2O7 + H{+} = S + Cr3{+} + H2O =>
20 H2S + 3 Cr2O7 + 2 H{+} = 20 S + 2 Cr3{+} + 21 H2O
Ca3(PO4)2 + SiO2 = CaSiO3 + P2O5 =>
Ca3(PO4)2 + 3 SiO2 = 3 CaSiO3 + P2O5
Cu + Fe2 + SO3 + Pb = CuFeS2 + PbO =>
2 Cu + Fe2 + 4 SO3 + 12 Pb = 2 CuFeS2 + 12 PbO
SiO2 + NaOH = Na2SiO3 + H2O =>
SiO2 + 2 NaOH = Na2SiO3 + H2O
Ag(aq) + Cl2(aq) = Ag2Cl(s) =>
4 Ag(aq) + Cl2(aq) = 2 Ag2Cl(s)
C3H7ClO2 + NaOH = C3H8O3 + NaCl =>
C3H7ClO2 + NaOH = C3H8O3 + NaCl
Rb(s) + H2O(l) = RbOH2 =>
Rb(s) + H2O(l) = RbOH2
HSO4 + HNO2 = S + NO2 + H2O =>
HSO4 + 7 HNO2 = S + 7 NO2 + 4 H2O
Fe2(SO4)3 + Al(OH)3 = Al2(SO4)3 + Fe(OH)3 =>
Fe2(SO4)3 + 2 Al(OH)3 = Al2(SO4)3 + 2 Fe(OH)3
SO3{2-} + MnO4{-} + H{+} = Mn{2+} + SO4{2-} + H2O =>
5 SO3{2-} + 2 MnO4{-} + 6 H{+} = 2 Mn{2+} + 5 SO4{2-} + 3 H2O
HCH3CO2 + NH4OH = CH3CONH2 + H2O =>
HCH3CO2 + NH4OH = CH3CONH2 + 2 H2O
C2H5OH(aq) + O2(g) = CO2(g) + H2O(l) =>
C2H5OH(aq) + 3 O2(g) = 2 CO2(g) + 3 H2O(l)
CH3SO2Cl + H2O = CH4SO3 + HCl =>
CH3SO2Cl + H2O = CH4SO3 + HCl
CH3COOH + C17H33COOK = CH3COOK + C17H33COOH =>
CH3COOH + C17H33COOK = CH3COOK + C17H33COOH
KCN(aq) + FeCl3(aq) = K3Fe(CN)6(aq) + KCl(aq) =>
6 KCN(aq) + FeCl3(aq) = K3Fe(CN)6(aq) + 3 KCl(aq)
FeS2 + H = FeS + H2S =>
FeS2 + 2 H = FeS + H2S
CH3COONa + H2SO4 = CH3COOH + NaHSO4 =>
CH3COONa + H2SO4 = CH3COOH + NaHSO4
FeS + O2 = Fe3O4 + SO3 =>
6 FeS + 13 O2 = 2 Fe3O4 + 6 SO3
C55H209O47 + O2 = H2O + CO2 =>
4 C55H209O47 + 335 O2 = 418 H2O + 220 CO2
CS2 + H2S + Cu = CH4 + Cu2S =>
CS2 + 2 H2S + 8 Cu = CH4 + 4 Cu2S
N2H4 + Ag = AgN3 + H2 =>
3 N2H4 + 2 Ag = 2 AgN3 + 6 H2
PH3 + BrH = PBr + H2 =>
PH3 + BrH = PBr + 2 H2
NO2 + H2SO4 = HON(SO3)2 + OH =>
NO2 + 2 H2SO4 = HON(SO3)2 + 3 OH
KMnO4 + Fe(SO4)*(NH4)2(SO4)*6H2O + H2SO4 = MnSO4 + Fe2(SO4)3 + K2SO4 + (NH4)2SO4 + H2O =>
2 KMnO4 + 10 Fe(SO4)*(NH4)2(SO4)*6H2O + 8 H2SO4 = 2 MnSO4 + 5 Fe2(SO4)3 + K2SO4 + 10(NH4)2SO4 + 68 H2O
C8H10O + K2Cr2O7 + H2SO4 = C8H8O2 + Cr2(SO4)3 + K2SO4 + H2O =>
3 C8H10O + 2 K2Cr2O7 + 8 H2SO4 = 3 C8H8O2 + 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
Fe{2+} + H{+} + Cr2O{72+} = Fe{3+} + Cr{3+} + H2O =>
68 Fe{2+} + 2 H{+} + Cr2O{72+} = 68 Fe{3+} + 2 Cr{3+} + H2O
Ba(s) + N2(g) = Ba3N2(s) =>
3 Ba(s) + N2(g) = Ba3N2(s)
AgCl + KCl = K[AgCl2] =>
AgCl + KCl = K[AgCl2]
Fe2S3 + HCl = SH2 + FeCl3 =>
Fe2S3 + 6 HCl = 3 SH2 + 2 FeCl3
KMnO4 + H2SO4 + CHOH = K2SO4 + MnSO4 + CO2 + H2O =>
4 KMnO4 + 6 H2SO4 + 5 CHOH = 2 K2SO4 + 4 MnSO4 + 5 CO2 + 11 H2O
V + O3 = V2O5 =>
6 V + 5 O3 = 3 V2O5
Sn + HCl = SnCl3 + H =>
Sn + 3 HCl = SnCl3 + 3 H
(NH4)2SO4 + Ca(OH)2 = NH4OH + CaSO4 = H2O + NH3 + CaSO4 =>
(NH4)2SO4 + Ca(OH)2 = 2 NH4OH + CaSO4
CrCl2 + NaOH + Br2 = Na2CrO4 + NaBr + NaCl + H2O =>
CrCl2 + 8 NaOH + 2 Br2 = Na2CrO4 + 4 NaBr + 2 NaCl + 4 H2O
Lithium + Fluorine = LiF =>
2 Li + F2 = 2 LiF
(NiOH)2SO4 + NH4OH = [Ni(NH3)6]SO4 + [Ni(NH3)6](OH)2 + H2O =>
(NiOH)2SO4 + 12 NH4OH = [Ni(NH3)6]SO4 + [Ni(NH3)6](OH)2 + 12 H2O
PbS2O3 = PbS + SO3 =>
PbS2O3 = PbS + SO3
KI + KIO3 + HCOOH = I2 + HCOOK + H2O =>
5 KI + KIO3 + 6 HCOOH = 3 I2 + 6 HCOOK + 3 H2O
MnCl2 + NaC2H3O2 + CH3COCH2COCH3 = NaCl + HC2H3O2 + Mn(CH3COCHCOCH3)2 =>
MnCl2 + 2 NaC2H3O2 + 2 CH3COCH2COCH3 = 2 NaCl + 2 HC2H3O2 + Mn(CH3COCHCOCH3)2
OC(NH2)2 + H2O = CO2 + NH3 =>
OC(NH2)2 + H2O = CO2 + 2 NH3
CNH2N + KMnO4 + H2O = CNH2N(OH)2 + MnO2 + KOH =>
3 CNH2N + 2 KMnO4 + 4 H2O = 3 CNH2N(OH)2 + 2 MnO2 + 2 KOH
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