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CuS + 4 H2SO4 = CuSO4 + 4 SO2 + 4 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
C6H12O6 + Ag(NH3)2OH = C6H11O7NH4 + Ag + H2O + NH3 =>
C6H12O6 + 2 Ag(NH3)2OH = C6H11O7NH4 + 2 Ag + H2O + 3 NH3
CH3OH + Br2 = CH2O + HBr =>
CH3OH + Br2 = CH2O + 2 HBr
K2CrO4 = K + CrO4 =>
K2CrO4 = 2 K + CrO4
AlBr3 + AgClO3 = AlClO3 + AgBr3 =>
AlBr3 + AgClO3 = AlClO3 + AgBr3
Ca(OH)2 + HCl = H2O + CaHCl3 =>
Ca(OH)2 + 3 HCl = 2 H2O + CaHCl3
N2O5 + NaO = Na(NO3)2 =>
N2O5 + NaO = Na(NO3)2
SO3 = SO2 + O2 =>
2 SO3 = 2 SO2 + O2
P + NH4ClO4 = PH3 + HClO4 + N2 =>
2 P + 2 NH4ClO4 = 2 PH3 + 2 HClO4 + N2
Na2B4O7 + HCl + H2O = H3BO3 + NaCl =>
Na2B4O7 + 2 HCl + 5 H2O = 4 H3BO3 + 2 NaCl
H2O2 + Br2 = HBr + O2 =>
H2O2 + Br2 = 2 HBr + O2
CH3BrH2O = HBrCH3OH =>
CH3BrH2O = HBrCH3OH
NaCl + SO3 = Na2SO4 + Cl2 + SO2 =>
2 NaCl + 2 SO3 = Na2SO4 + Cl2 + SO2
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
BrO3{-} + H{+} + I{-} = Br{-} + I3{-} + H2O =>
BrO3{-} + 6 H{+} + 9 I{-} = Br{-} + 3 I3{-} + 3 H2O
LiOH + Mg(NO3)2 = Li(NO3)2 + OHMg =>
LiOH + Mg(NO3)2 = Li(NO3)2 + OHMg
NaIO4 + NaCl + Na2CrO4 + H2O = CrI3 + NaOH + Cl2 =>
6 NaIO4 + 54 NaCl + 2 Na2CrO4 + 32 H2O = 2 CrI3 + 64 NaOH + 27 Cl2
Pb + O2 = Pb3O4 =>
3 Pb + 2 O2 = Pb3O4
H2SO3 + KOH = K2SO3 + HOH =>
H2SO3 + 2 KOH = K2SO3 + 2 HOH
CaO + H2SO4 = CaSO4 + H2O =>
CaO + H2SO4 = CaSO4 + H2O
H2(g) + Br2(aq) = HBr(aq) =>
H2(g) + Br2(aq) = 2 HBr(aq)
MgH2C2O6 = MgO + H2O + CO2 =>
MgH2C2O6 = MgO + H2O + 2 CO2
Ca(H2PO4)2 + Ca(NO3)2 = HNO3 + CaHPO4 =>
Ca(H2PO4)2 + Ca(NO3)2 = 2 HNO3 + 2 CaHPO4
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
Mn2O2 + Si = SiO2 + Mn =>
Mn2O2 + Si = SiO2 + 2 Mn
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
KAl(SO4)2 + KOH = Al(OH)3 + K2SO4 =>
KAl(SO4)2 + 3 KOH = Al(OH)3 + 2 K2SO4
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
KBr + H2SO4 = KHSO4 + HBr =>
KBr + H2SO4 = KHSO4 + HBr
Fe(OH)3 + NaCl + CO2 = Na2CO3 + FeCl3 + H2O =>
2 Fe(OH)3 + 6 NaCl + 3 CO2 = 3 Na2CO3 + 2 FeCl3 + 3 H2O
CuBr + KMnO4 + H2SO4 = CuSO4 + MnSO4 + HBr + KOH + H2O =>
5 CuBr + KMnO4 + 6 H2SO4 = 5 CuSO4 + MnSO4 + 5 HBr + KOH + 3 H2O
C57H116 + O2 = CO + H2O =>
2 C57H116 + 115 O2 = 114 CO + 116 H2O
Zn + NO3{-} + H2O = ZnO + NH3 + OH{-} =>
4 Zn + NO3{-} + 2 H2O = 4 ZnO + NH3 + OH{-}
Na2S + Na2S2O3 + HCl = NaCl + S + H2O =>
2 Na2S + Na2S2O3 + 6 HCl = 6 NaCl + 4 S + 3 H2O
C10H4 + CuO = Cu + CO2 + H2O =>
C10H4 + 22 CuO = 22 Cu + 10 CO2 + 2 H2O
CH3COOH + Na(HCO3) = CO2 + H2O + NaCH3COOH =>
9 CH3COOH + 8 Na(HCO3) = 10 CO2 + 6 H2O + 8 NaCH3COOH
KCrO4 + H2SO4 = H2O + K2SO4 + CrSO4 + O3 =>
6 KCrO4 + 9 H2SO4 = 9 H2O + 3 K2SO4 + 6 CrSO4 + 5 O3
KOH + Br2 + NH3 = KBr + N2 + H2O =>
6 KOH + 3 Br2 + 2 NH3 = 6 KBr + N2 + 6 H2O
NaBr + H2SO4 = H2S + Br2 + NaSO4 + H2O =>
4 NaBr + 5 H2SO4 = H2S + 2 Br2 + 4 NaSO4 + 4 H2O
Al2(SO4)3 + AgNO3 = Ag2(SO4)3 + AlNO3 =>
Al2(SO4)3 + 2 AgNO3 = Ag2(SO4)3 + 2 AlNO3
NaCl + Cs = CsCl + Na =>
NaCl + Cs = CsCl + Na
I2 + Na2S2O3 = NaI + NaS4O6 =>
3 I2 + 4 Na2S2O3 = 6 NaI + 2 NaS4O6
Pb(NO3)2 + K2CrO4 = PbCrO4 + KNO3 =>
Pb(NO3)2 + K2CrO4 = PbCrO4 + 2 KNO3
H2SO3 + KOH = K2SO3 + HOH =>
H2SO3 + 2 KOH = K2SO3 + 2 HOH
CaCl2(aq) + NaI(aq) = CaI(aq) + NaCl2(aq) =>
CaCl2(aq) + NaI(aq) = CaI(aq) + NaCl2(aq)
CH3CHOHCN + H2O = CH3CHOHCOOH + NH3 =>
CH3CHOHCN + 2 H2O = CH3CHOHCOOH + NH3
CO2 + NaOH = NaHCO3 =>
CO2 + NaOH = NaHCO3
H2O + KMnO4 + MnSO4 = H2MnO3 + K2SO4 + H2SO4 =>
7 H2O + 2 KMnO4 + 3 MnSO4 = 5 H2MnO3 + K2SO4 + 2 H2SO4
Zn + OH{-} + H2O + NO3{-} = Zn(OH)4{2-} + NH3 =>
4 Zn + 7 OH{-} + 6 H2O + NO3{-} = 4 Zn(OH)4{2-} + NH3
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