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(NH4)2S + 2 HCl = 2(NH4)Cl + H2S
K2Cr2O7 + H2SO4 + C4H9OH = Cr2(SO4)3 + K2SO4 + CH3CH2CH2COOH + H2O =>
2 K2Cr2O7 + 8 H2SO4 + 3 C4H9OH = 2 Cr2(SO4)3 + 2 K2SO4 + 3 CH3CH2CH2COOH + 11 H2O
HF + S = F2 + H2S =>
2 HF + S = F2 + H2S
HI + HNO2 = NO + I + H2O =>
HI + HNO2 = NO + I + H2O
N2(g) + H2(g) = NH3(g) =>
N2(g) + 3 H2(g) = 2 NH3(g)
FeO3 + CO2 = Fe + CO4 =>
2 FeO3 + 3 CO2 = 2 Fe + 3 CO4
Na2O2 + SO3 = Na2SO3 + O2 =>
Na2O2 + SO3 = Na2SO3 + O2
Ca(OH)2 + C6H5COOH = H2O + Ca(C6H5COO)2 =>
Ca(OH)2 + 2 C6H5COOH = 2 H2O + Ca(C6H5COO)2
FeCl3 + NH4OH = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
K2Cr2O7 + H2SO4 + C4H9OH = Cr2(SO4)3 + K2SO4 + C3H7COH + H2O =>
K2Cr2O7 + 4 H2SO4 + 3 C4H9OH = Cr2(SO4)3 + K2SO4 + 3 C3H7COH + 7 H2O
Mg(CH3COO)2 + KOH = Mg(OH)2 + K(CH3COO) =>
Mg(CH3COO)2 + 2 KOH = Mg(OH)2 + 2 K(CH3COO)
N2O5 + Sr(OH)2 = Sr(NO3)2 + H2O =>
N2O5 + Sr(OH)2 = Sr(NO3)2 + H2O
CuO + H3PO4 = Cu + H2PO4 + H2O =>
CuO + 2 H3PO4 = Cu + 2 H2PO4 + H2O
H3PO4 + Ca(OH)2 = Ca3(PO4)2 + H2O = =>
2 H3PO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 6 H2O
AgNO3 + Cu = Cu(NO3)2 + Ag =>
2 AgNO3 + Cu = Cu(NO3)2 + 2 Ag
K + MnPO4 + HClO4 + S = MnS + KClO4 + H2SO4 + P4 =>
8 K + 4 MnPO4 + 8 HClO4 + 8 S = 4 MnS + 8 KClO4 + 4 H2SO4 + P4
W + H2 = WH =>
2 W + H2 = 2 WH
KMnO4 + Na2HPO4 = K2HPO4 + NaMnO4 =>
2 KMnO4 + Na2HPO4 = K2HPO4 + 2 NaMnO4
C4H9OH + K2Cr2O7 + H2SO4 = C4H8O + Cr2(SO4)3 + K2SO4 + H2O =>
3 C4H9OH + K2Cr2O7 + 4 H2SO4 = 3 C4H8O + Cr2(SO4)3 + K2SO4 + 7 H2O
Ag + H2SO4 = Ag2SO4 + H2 =>
2 Ag + H2SO4 = Ag2SO4 + H2
CoI2 = Co2 + I =>
2 CoI2 = Co2 + 4 I
K2Br3 = K + Br =>
K2Br3 = 2 K + 3 Br
C7H16S + O2 = CO2 + H2O + SO3 =>
2 C7H16S + 25 O2 = 14 CO2 + 16 H2O + 2 SO3
Te + NO3 = TeO2 + NO =>
Te + NO3 = TeO2 + NO
K2Cr2O7 + H2SO4 + C4H9OH = Cr2(SO4)3 + K2SO4 + CH3COOH + H2O =>
4 K2Cr2O7 + 16 H2SO4 + 3 C4H9OH = 4 Cr2(SO4)3 + 4 K2SO4 + 6 CH3COOH + 19 H2O
Ca + H2O = H2Ca(OH)2 =>
Ca + 2 H2O = H2Ca(OH)2
ClO2{-} + H2O = ClO2 + Cl{-} + OH{-} =>
5 ClO2{-} + 2 H2O = 4 ClO2 + Cl{-} + 4 OH{-}
K2Cr2O7 + H2SO4 + C4H9OH = Cr2(SO4)3 + K2SO4 + C3H7CHO + H2O =>
K2Cr2O7 + 4 H2SO4 + 3 C4H9OH = Cr2(SO4)3 + K2SO4 + 3 C3H7CHO + 7 H2O
KNO3 + C = K2CO3 + CO + N2 =>
2 KNO3 + 4 C = K2CO3 + 3 CO + N2
Cr2(SO4)3 + HBr = CrBr3 + H2SO4 =>
Cr2(SO4)3 + 6 HBr = 2 CrBr3 + 3 H2SO4
MnO4K + HCl = ClK + Cl2Mn + Cl2 + H2O =>
2 MnO4K + 16 HCl = 2 ClK + 2 Cl2Mn + 5 Cl2 + 8 H2O
C7H8O + KI + KHSO5 = C7H7OI + K2S2O8 + KOH + H2O =>
C7H8O + KI + 2 KHSO5 = C7H7OI + K2S2O8 + KOH + H2O
CuCO3(s) + C6H8O7(aq) = Cu3(C6H5O7)2(aq) + CO2(g) + H2O(l) =>
3 CuCO3(s) + 2 C6H8O7(aq) = Cu3(C6H5O7)2(aq) + 3 CO2(g) + 3 H2O(l)
KNO3 + C = K2CO3 + CO + N =>
2 KNO3 + 4 C = K2CO3 + 3 CO + 2 N
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
Cr(NO3)3 + NaOH = Cr(OH)3 + NaNO3 =>
Cr(NO3)3 + 3 NaOH = Cr(OH)3 + 3 NaNO3
KNO3 + C = KNO2 + CO2 =>
2 KNO3 + C = 2 KNO2 + CO2
SrCrO4 + HBr = SrBr2 + H2CrO4 =>
SrCrO4 + 2 HBr = SrBr2 + H2CrO4
CH2O2 + NH3 = NH4 + CHO2 =>
CH2O2 + NH3 = NH4 + CHO2
C2H5OCOH + H2O = C2H5OH + HCOOH =>
C2H5OCOH + H2O = C2H5OH + HCOOH
NH4OH + C2H3O2 = C10H15N + H2O + O2 =>
4 NH4OH + 20 C2H3O2 = 4 C10H15N + 10 H2O + 17 O2
KNO3 + C = CO2 + NO2 + K2O =>
4 KNO3 + C = CO2 + 4 NO2 + 2 K2O
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
BaBr2 + K3PO4 = Ba3(PO4)2 + KBr =>
3 BaBr2 + 2 K3PO4 = Ba3(PO4)2 + 6 KBr
C2H5OH + Na2Cr2O7 + H2SO4 = C2H4O + Na2SO4 + Cr2(SO4)3 + H2O =>
3 C2H5OH + Na2Cr2O7 + 4 H2SO4 = 3 C2H4O + Na2SO4 + Cr2(SO4)3 + 7 H2O
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
V(OH)2 + H2S = V2S3 + H2O + H2 =>
2 V(OH)2 + 3 H2S = V2S3 + 4 H2O + H2
KNO3 + C = K2O + N2 + CO2 =>
4 KNO3 + 5 C = 2 K2O + 2 N2 + 5 CO2
SbCl3 + NaOH = Sb(OH)3 + NaCl =>
SbCl3 + 3 NaOH = Sb(OH)3 + 3 NaCl
W + H2 = WH =>
2 W + H2 = 2 WH
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