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4 K2Cr2O7 + 3 H2S + 13 H2SO4 = 4 K2SO4 + 4 Cr2(SO4)3 + 16 H2O
NaCrO4 + H2SO4 = Na2SO4 + HCrO4 =>
2 NaCrO4 + H2SO4 = Na2SO4 + 2 HCrO4
Na + Cl2 = Na3(Cl2) =>
3 Na + Cl2 = Na3(Cl2)
KMnO4 + H2C2O4 = CO2 + K2CO3 + MnO2 + H2O =>
2 KMnO4 + 3 H2C2O4 = 5 CO2 + K2CO3 + 2 MnO2 + 3 H2O
HF + O2 = H2O + F =>
4 HF + O2 = 2 H2O + 4 F
Ag2O + O2 = Ag2OO2 =>
Ag2O + O2 = Ag2OO2
*6Na + N2 = *2Na3N =>
*6Na + N2 = *2Na3N
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
CuBr2 = Cu2 + Br =>
2 CuBr2 = Cu2 + 4 Br
Ca(HS)2 + H2SO4 = CaSO4 + SO2 + H2O =>
Ca(HS)2 + 7 H2SO4 = CaSO4 + 8 SO2 + 8 H2O
MnO4{-} + SO3{2-} + OH{-} = MnO4{3-} + SO4{2-} + H2O =>
MnO4{-} + SO3{2-} + 2 OH{-} = MnO4{3-} + SO4{2-} + H2O
Fe(NO3)3 + HI = Fe(NO3)2 + HIO3 + NO2 =>
3 Fe(NO3)3 + HI = 3 Fe(NO3)2 + HIO3 + 3 NO2
N2H4 + HCl = N2H4HCl =>
N2H4 + HCl = N2H4HCl
CrLi2O4 + BaCl2 = LiCl + BaCrO4 =>
CrLi2O4 + BaCl2 = 2 LiCl + BaCrO4
H2SO3 + (H2O2)3(H2O)7 = H2SO4 + H2O =>
3 H2SO3 + (H2O2)3(H2O)7 = 3 H2SO4 + 10 H2O
C10H12O + O2 = CO2 + H2O =>
2 C10H12O + 25 O2 = 20 CO2 + 12 H2O
Mn(OH)2 + H2O2 = MnO2 + H2O =>
Mn(OH)2 + H2O2 = MnO2 + 2 H2O
KCeO3 + S = KCe + SO2 =>
2 KCeO3 + 3 S = 2 KCe + 3 SO2
CH3OH + Na = CH3ONa + H2 =>
2 CH3OH + 2 Na = 2 CH3ONa + H2
Au + NO3{-} + Cl{-} + H{+} = AuCl4{-} + NO2 + H2O =>
Au + 3 NO3{-} + 4 Cl{-} + 6 H{+} = AuCl4{-} + 3 NO2 + 3 H2O
AgNO3 + CuI2 = Cu(NO3)2 + AgI =>
2 AgNO3 + CuI2 = Cu(NO3)2 + 2 AgI
CH3OH + (CH3)2C = CH2(CH3)3COCH3 =>
3 CH3OH + 5(CH3)2C = 3 CH2(CH3)3COCH3
HNO3 + Cr(OH)3 = Cr(NO3)3 + HOH =>
3 HNO3 + Cr(OH)3 = Cr(NO3)3 + 3 HOH
Cr2O7 + C2O4{2-} + H{+} = Cr{3+} + CO2 + H2O =>
Cr2O7 + 4 C2O4{2-} + 14 H{+} = 2 Cr{3+} + 8 CO2 + 7 H2O
Co + I2 = CoI =>
2 Co + I2 = 2 CoI
C9H8O4 + HCl = C7H6O3 + C2H3ClO =>
C9H8O4 + HCl = C7H6O3 + C2H3ClO
NaOH + C20H14O4 = Na + H2CO2 + H2O =>
46 NaOH + C20H14O4 = 46 Na + 20 H2CO2 + 10 H2O
MgCl2 + HIO3 = Mg(IO3)2 + HCl =>
MgCl2 + 2 HIO3 = Mg(IO3)2 + 2 HCl
K2S + H2O = K2O + H2S =>
K2S + H2O = K2O + H2S
CuSO4(aq) + Ca(NO3)2(aq) = CaSO4(s) + Cu(NO3)2(aq) =>
CuSO4(aq) + Ca(NO3)2(aq) = CaSO4(s) + Cu(NO3)2(aq)
C5H12 + HCl = C5H12Cl + H2 =>
2 C5H12 + 2 HCl = 2 C5H12Cl + H2
N2 + H = HN3 =>
3 N2 + 2 H = 2 HN3
Ag + H3Po4 = Ag3Po4 + H2 =>
6 Ag + 2 H3Po4 = 2 Ag3Po4 + 3 H2
Fe + Al = Fe3Al =>
3 Fe + Al = Fe3Al
Ca(OH)2 + Na2Po4 = CaPo4 + NaOH =>
Ca(OH)2 + Na2Po4 = CaPo4 + 2 NaOH
MgCl2 + CuOH = Mg(OH)2 + CuCl =>
MgCl2 + 2 CuOH = Mg(OH)2 + 2 CuCl
Cu + Na(OH)2 = CuOH + Na =>
2 Cu + Na(OH)2 = 2 CuOH + Na
NH3 + Cu = Cu(NH3) =>
NH3 + Cu = Cu(NH3)
C + ZnO = Zn + CO2 =>
C + 2 ZnO = 2 Zn + CO2
Cu{2+} + H2 + OH{-} = Cu{+} + H2O =>
2 Cu{2+} + H2 + 2 OH{-} = 2 Cu{+} + 2 H2O
SO2 + NO2 = SO3 + NO =>
SO2 + NO2 = SO3 + NO
FeS + F2 = FeF2 + S =>
FeS + F2 = FeF2 + S
BaOH + CO2 = BaHCO3 =>
BaOH + CO2 = BaHCO3
K2CO3 + NaCl = NaCO3 + K2Cl =>
K2CO3 + NaCl = NaCO3 + K2Cl
Na + H2O = H + NaOH =>
Na + H2O = H + NaOH
C5H12 + HCl = C5H12Cl + H2 =>
2 C5H12 + 2 HCl = 2 C5H12Cl + H2
KSCN + KCr(SO4)2 = K3[Cr(SCN)6] + K2SO4 =>
6 KSCN + KCr(SO4)2 = K3[Cr(SCN)6] + 2 K2SO4
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
ZrCl4 + H2O = HCl + OH + Zr =>
ZrCl4 + 4 H2O = 4 HCl + 4 OH + Zr
Ag(NH3)2 + HCl = AgCl2 + NH4 =>
Ag(NH3)2 + 2 HCl = AgCl2 + 2 NH4
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