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4 PF3 = P4 + 12 F
Ba + CH3COOH = H2 + BaCO =>
2 Ba + CH3COOH = 2 H2 + 2 BaCO
CH3COOH + K = CH3COOK + H2 =>
2 CH3COOH + 2 K = 2 CH3COOK + H2
Br2 + NiI3 = BrI + Ni =>
3 Br2 + 2 NiI3 = 6 BrI + 2 Ni
AlCl3 = Al + Cl2 =>
2 AlCl3 = 2 Al + 3 Cl2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
HCl + CaO = CaCl2 + H2O =>
2 HCl + CaO = CaCl2 + H2O
SrCO3 + HCl = SrCl2 + CO2 + H2O =>
SrCO3 + 2 HCl = SrCl2 + CO2 + H2O
C6H6O = C + H + O =>
C6H6O = 6 C + 6 H + O
Na3MnO4 + H2SO4 = MnSO4 + O2 + H2O + Na2SO4 =>
4 Na3MnO4 + 10 H2SO4 = 4 MnSO4 + 3 O2 + 10 H2O + 6 Na2SO4
CH3COOH + Ba = (CH3COO)2Ba + H2 =>
2 CH3COOH + Ba = (CH3COO)2Ba + H2
C57H110O6 + O2 = CO2 + H2O =>
2 C57H110O6 + 163 O2 = 114 CO2 + 110 H2O
Br2 + NiI3 = I + NiBr2 =>
Br2 + NiI3 = 3 I + NiBr2
KBr + H2SO4 = Br2 + KHSO4 + H2S + H2O =>
8 KBr + 9 H2SO4 = 4 Br2 + 8 KHSO4 + H2S + 4 H2O
NaOH + CH3COOH = CH3COONa + HOH =>
NaOH + CH3COOH = CH3COONa + HOH
SrCO3 + HCl = SrCl2 + CO2 + H2O =>
SrCO3 + 2 HCl = SrCl2 + CO2 + H2O
NH3 + H2SO4 = NSO4 + HH3 =>
4 NH3 + 4 H2SO4 = 4 NSO4 + 5 HH3
HBr + SO3 = H2O + Br2 + SO2 =>
2 HBr + SO3 = H2O + Br2 + SO2
Ba + CH3COOH = H2 + BaCH3COO =>
2 Ba + 2 CH3COOH = H2 + 2 BaCH3COO
CH3CHO + KMnO4 + H2SO4 = K2SO4 + MnSO4 + H2O + CH3CHCOOH =>
15 CH3CHO + 4 KMnO4 + 6 H2SO4 = 2 K2SO4 + 4 MnSO4 + 11 H2O + 10 CH3CHCOOH
Sb2 + S3 + HCl = H3SbCl6 + H2S =>
Sb2 + S3 + 12 HCl = 2 H3SbCl6 + 3 H2S
Br2 + NiI3 = Br2I3 + Ni =>
Br2 + NiI3 = Br2I3 + Ni
CaCl2 + Na2CO3 + H2O = HCl + CaCO3 + Na2O =>
CaCl2 + Na2CO3 + H2O = 2 HCl + CaCO3 + Na2O
Ba + CH3COOH = Ba(CH3COO)2 + H2 =>
Ba + 2 CH3COOH = Ba(CH3COO)2 + H2
Ni(NO3)2 + Rb3(PO4) = Rb(NO3) + Ni3(PO4)2 =>
3 Ni(NO3)2 + 2 Rb3(PO4) = 6 Rb(NO3) + Ni3(PO4)2
NO2 + O2 = N2O5 =>
4 NO2 + O2 = 2 N2O5
Br2 + NiI3 = NiBr2 + I2 =>
2 Br2 + 2 NiI3 = 2 NiBr2 + 3 I2
CaCl2 + Na2CO3 + H2O = NaCl + CaO + H2CO3 =>
CaCl2 + Na2CO3 + H2O = 2 NaCl + CaO + H2CO3
CaCl2 + Na2CO3 + H2O = NaCl + Ca(OH)2 + CO2 =>
CaCl2 + Na2CO3 + H2O = 2 NaCl + Ca(OH)2 + CO2
Ba + CH3COOH = H2 + Ba(C2H3O2)2 =>
Ba + 2 CH3COOH = H2 + Ba(C2H3O2)2
BaCl2(aq) + Na2CO3 = BaCO3 + Na2Cl2 =>
BaCl2(aq) + Na2CO3 = BaCO3 + Na2Cl2
MgSO4 + Ba = Mg + BaSO4 =>
MgSO4 + Ba = Mg + BaSO4
KBr + H2SO4 = Br2 + KHSO4 + H2S + H2O =>
8 KBr + 9 H2SO4 = 4 Br2 + 8 KHSO4 + H2S + 4 H2O
KH2PO4 + Ca(OH)2 = CaKPO4 + H2O =>
KH2PO4 + Ca(OH)2 = CaKPO4 + 2 H2O
NH3 + H2O = NH4 + OH =>
NH3 + H2O = NH4 + OH
Na2S + CuSO4 = Na2SO4 + CuS =>
Na2S + CuSO4 = Na2SO4 + CuS
N2 + H2 = NH4 =>
N2 + 4 H2 = 2 NH4
Na3MnO4 + H2SO4 = MnSO4 + O2 + H2O + Na2SO4 =>
4 Na3MnO4 + 10 H2SO4 = 4 MnSO4 + 3 O2 + 10 H2O + 6 Na2SO4
NaOH + CH3COOH = CH3COONa + HOH =>
NaOH + CH3COOH = CH3COONa + HOH
CaCl2 + Na2CO3 + H2O = NaCl + Ca(OH)2 + H2CO3 =>
CaCl2 + Na2CO3 + 2 H2O = 2 NaCl + Ca(OH)2 + H2CO3
Cr2O7{2-} + HSO3{-} + H{+} = Cr{3+} + SO4{2-} + H2O =>
Cr2O7{2-} + 3 HSO3{-} + 5 H{+} = 2 Cr{3+} + 3 SO4{2-} + 4 H2O
Br2 + NiI3 = I2 + NiBr =>
Br2 + 2 NiI3 = 3 I2 + 2 NiBr
H3PO4 + NaOH = NaH2PO4 + H2O =>
H3PO4 + NaOH = NaH2PO4 + H2O
H + Br = HBr =>
H + Br = HBr
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CaCl2 + Na2CO3 + H2O = NaCl + CaO + H2CO3 =>
CaCl2 + Na2CO3 + H2O = 2 NaCl + CaO + H2CO3
HCl(aq) + K2SO3(aq) = KCl(aq) + SO2(g) + H2O(aq) =>
2 HCl(aq) + K2SO3(aq) = 2 KCl(aq) + SO2(g) + H2O(aq)
H + FeS = H2S + Fe =>
2 H + FeS = H2S + Fe
BaCl2 + Ca(OH)2 = Ba(OH)2 + CaCl2 =>
BaCl2 + Ca(OH)2 = Ba(OH)2 + CaCl2
K + H2SO4 = K2SO4 + H2 =>
2 K + H2SO4 = K2SO4 + H2
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