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2 CuI + 4 HNO3 = 2 CuNO3 + I2 + 2 NO2 + 2 H2O
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
PB(NO3)2 + AlCl3 = PBCl2 + Al(NO3)3 =>
3 PB(NO3)2 + 2 AlCl3 = 3 PBCl2 + 2 Al(NO3)3
P2 + I2 = PI3 =>
P2 + 3 I2 = 2 PI3
K2Cr2O7 + Na2S2O3 = K2Cr2Na2S2O10 =>
K2Cr2O7 + Na2S2O3 = K2Cr2Na2S2O10
Ga + NaOH = Ga(OH)3 + Na =>
Ga + 3 NaOH = Ga(OH)3 + 3 Na
Cu(OH)2 + H = Cu2O + H2O =>
2 Cu(OH)2 + 2 H = Cu2O + 3 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
MgCl2 + Na2S = MgS + ClNa =>
MgCl2 + Na2S = MgS + 2 ClNa
Na2SO4 + NiCO3 = Na2CO3 + NiSO4 =>
Na2SO4 + NiCO3 = Na2CO3 + NiSO4
FeO3(s) + CO(g) = Fe(l) + CO2(g) =>
FeO3(s) + 3 CO(g) = Fe(l) + 3 CO2(g)
Fe3O4 + NO3{-} + OH{-} = FeO4{2-} + NO + H2O =>
3 Fe3O4 + 10 NO3{-} + 8 OH{-} = 9 FeO4{2-} + 10 NO + 4 H2O
K2Cr2O7 + Zn + KOH + H2O = K2[Zn(OH)4] + K3[Cr(OH)6] =>
K2Cr2O7 + 3 Zn + 10 KOH + 7 H2O = 3 K2[Zn(OH)4] + 2 K3[Cr(OH)6]
ZnO + S = ZnS + O2 =>
2 ZnO + 2 S = 2 ZnS + O2
Ni(OH)2 + H2SO4 = NiSO4 + H2O =>
Ni(OH)2 + H2SO4 = NiSO4 + 2 H2O
PCl3*Cl2 = PCl5 =>
PCl3*Cl2 = PCl5
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Al(OH)3 + NaCl = AlCl3 + NaOH =>
Al(OH)3 + 3 NaCl = AlCl3 + 3 NaOH
K + Cu(NO3)2 = Cu + K(NO3)2 =>
K + Cu(NO3)2 = Cu + K(NO3)2
C2 + D2 = C2D3 =>
2 C2 + 3 D2 = 2 C2D3
(NH4)2CO3 + CH3COOH = CH3COONH4 + H2CO3 =>
(NH4)2CO3 + 2 CH3COOH = 2 CH3COONH4 + H2CO3
(H2O2) = H2O + O2 =>
2(H2O2) = 2 H2O + O2
Cu + CH3COOH = H2 + Cu(CH3COO)3 =>
2 Cu + 6 CH3COOH = 3 H2 + 2 Cu(CH3COO)3
K2CO3 + BaCl2 = BaCO3 + KCl =>
K2CO3 + BaCl2 = BaCO3 + 2 KCl
CuSO4 + Cl = CuCl + SO2 + O2 =>
CuSO4 + Cl = CuCl + SO2 + O2
PbO2(aq) + H2SO4(aq) = PbSO4(aq) + H2O2(l) =>
PbO2(aq) + H2SO4(aq) = PbSO4(aq) + H2O2(l)
KOH + KMnO4 + Na2SO3 = Na2SO4 + K2MnO4 + H2O =>
2 KOH + 2 KMnO4 + Na2SO3 = Na2SO4 + 2 K2MnO4 + H2O
Fe(NO3)2 + KOH = K + NO3 + Fe(OH)3 =>
Fe(NO3)2 + 3 KOH = 3 K + 2 NO3 + Fe(OH)3
copper + silversulfate = CuSO4 + silver =>
Cu + Ag2SO4 = CuSO4 + 2 Ag
CO(g) = C(g) + O2(g) =>
2 CO(g) = 2 C(g) + O2(g)
Cl2 + I = ClI =>
Cl2 + 2 I = 2 ClI
N2C4H12O6 + KClO3 = C4H4K2O6 + NH4ClO3 =>
N2C4H12O6 + 2 KClO3 = C4H4K2O6 + 2 NH4ClO3
H3BO3 = B2O3 + H2O =>
2 H3BO3 = B2O3 + 3 H2O
H2SO4(dil) + Na2CO3(s) = Na2SO4(aq) + H2O + CO2(g) =>
H2SO4(dil) + Na2CO3(s) = Na2SO4(aq) + H2O + CO2(g)
Fe(OH)2 + H2O + O2 = Fe(OH)3 =>
4 Fe(OH)2 + 2 H2O + O2 = 4 Fe(OH)3
PbSO4 + NaBH4 = Pb + Na2SO4 + BH3 + H2 =>
PbSO4 + 2 NaBH4 = Pb + Na2SO4 + 2 BH3 + H2
Si2H2 + O2 = SiO2 + H2O3 =>
2 Si2H2 + 7 O2 = 4 SiO2 + 2 H2O3
Mg(H2PO4)2 + KOH = Mg(OH)2 + K(H2PO4) =>
Mg(H2PO4)2 + 2 KOH = Mg(OH)2 + 2 K(H2PO4)
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C6H12 = C5H9CH3 =>
C6H12 = C5H9CH3
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
C7H6 + O2 = CO2 + H2O =>
2 C7H6 + 17 O2 = 14 CO2 + 6 H2O
NaOH + H3PO4 = Na2HPO4 + H2O =>
2 NaOH + H3PO4 = Na2HPO4 + 2 H2O
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
Fe + NH4OH = Fe(OH)2 + NH4 =>
Fe + 2 NH4OH = Fe(OH)2 + 2 NH4
Mg(HSO3)2 = SO2 + H2O + MgSO3 =>
Mg(HSO3)2 = SO2 + H2O + MgSO3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
(C6H5)CH3 + KMnO4 + H2SO4 = (C6H5)COOH + K2SO4 + MnSO4 + H2O =>
5(C6H5)CH3 + 6 KMnO4 + 9 H2SO4 = 5(C6H5)COOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
B2S3 + H2O = H3BO3 + H2S =>
B2S3 + 6 H2O = 2 H3BO3 + 3 H2S
CaCO3 + HBr = CaBr2 + H2CO3 =>
CaCO3 + 2 HBr = CaBr2 + H2CO3
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