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V2O5 + 5 CaS = 5 CaO + V2S5
Na2CO3*10H2O(s) + HCl(aq) = CO2(g) + H2O(l) + NaCl(aq) =>
Na2CO3*10H2O(s) + 2 HCl(aq) = CO2(g) + 11 H2O(l) + 2 NaCl(aq)
ZnCO3 + HCl = Zn(Cl)2 + CO2 + H2O =>
ZnCO3 + 2 HCl = Zn(Cl)2 + CO2 + H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Cu + HNO{3} = Cu(NO{3})2 + H{2}O + NO =>
Cu + 3 HNO{3} = Cu(NO{3})2 + 3 H{2}O + NO
Zn + Pb(No)2 = Zn(No3)2 + Pb =>
Zn + 3 Pb(No)2 = Zn(No3)2 + 3 Pb
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Ag + HSO4 = AgHSO4 =>
Ag + HSO4 = AgHSO4
Na2CO3 + Fe(NO3)2 = FeCO3 + Na2(NO3)2 =>
Na2CO3 + Fe(NO3)2 = FeCO3 + Na2(NO3)2
P3 + H = PH3 =>
P3 + 9 H = 3 PH3
Cu(NH3)4Cl2 + KCN + HOH = NH3 + NH4Cl + K2Cu(CN)3 + KCNO + KCl =>
2 Cu(NH3)4Cl2 + 7 KCN + HOH = 6 NH3 + 2 NH4Cl + 2 K2Cu(CN)3 + KCNO + 2 KCl
Bi(NO3)2 + KSCN = Bi(SCN)2 + KNO3 =>
Bi(NO3)2 + 2 KSCN = Bi(SCN)2 + 2 KNO3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
C7H15NH2 + O2 = H2O + NO2 + C =>
4 C7H15NH2 + 21 O2 = 34 H2O + 4 NO2 + 28 C
H2CO3(ac) = H(ac) + HCO3(ac) =>
H2CO3(ac) = H(ac) + HCO3(ac)
AuN + Cu = Au + Cu3N =>
AuN + 3 Cu = Au + Cu3N
(NH4)2SO4 + NaOH = NH3 + H2O + Na2SO4 =>
(NH4)2SO4 + 2 NaOH = 2 NH3 + 2 H2O + Na2SO4
H2SnCl4 + I2 + HCl = HI + H2SnCl6 =>
H2SnCl4 + I2 + 2 HCl = 2 HI + H2SnCl6
Fe(OH)2 + O2 + H2O = Fe(OH)3 =>
4 Fe(OH)2 + O2 + 2 H2O = 4 Fe(OH)3
[Fe(H2O)6]Cl3 + KSCN = [Fe(SCN)4]K + KCl + H2O =>
[Fe(H2O)6]Cl3 + 4 KSCN = [Fe(SCN)4]K + 3 KCl + 6 H2O
C12H7Cl3 + O2 = CO2 + H2O + Cl =>
4 C12H7Cl3 + 55 O2 = 48 CO2 + 14 H2O + 12 Cl
Si + Ca = Ca4Si3 =>
3 Si + 4 Ca = Ca4Si3
Al + FeO = Al2O3 + Fe =>
2 Al + 3 FeO = Al2O3 + 3 Fe
C3H6 + K2Cr2O7 + H2SO4 = CO2 + Cr2(SO4)3 + K2SO4 + H2O =>
C3H6 + 3 K2Cr2O7 + 12 H2SO4 = 3 CO2 + 3 Cr2(SO4)3 + 3 K2SO4 + 15 H2O
CaClNaOH = NaClCa(OH) =>
CaClNaOH = NaClCa(OH)
Hg + C2HCl3 = HgCl2 + C + H2 =>
3 Hg + 2 C2HCl3 = 3 HgCl2 + 4 C + H2
NH3 + NaClO2 = N2H4 + NaCl + H2O =>
4 NH3 + NaClO2 = 2 N2H4 + NaCl + 2 H2O
KMnO4 + KOH = K2MnO4 + O2 + H2O =>
4 KMnO4 + 4 KOH = 4 K2MnO4 + O2 + 2 H2O
N2O2O2 = NO2 =>
N2O2O2 = 2 NO2
ZnHCO3 = Zn2CO3 + H2O + CO2 =>
2 ZnHCO3 = Zn2CO3 + H2O + CO2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
H2 + FeNO3 = Fe + HNO3 =>
H2 + 2 FeNO3 = 2 Fe + 2 HNO3
CH3CH2CHOHOH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + C2H5COOH + HOH =>
3 CH3CH2CHOHOH + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 C2H5COOH + 7 HOH
Ca3(PO4)2CaF2 + H2SO4 = Ca(H2PO4)2 + CaSO4 + HF =>
Ca3(PO4)2CaF2 + 3 H2SO4 = Ca(H2PO4)2 + 3 CaSO4 + 2 HF
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
PbSO4 + Fe2O3 = PbO + Fe2(SO4)3 =>
3 PbSO4 + Fe2O3 = 3 PbO + Fe2(SO4)3
CH3CH2CHOHOH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + C2H5COOH + HOH =>
3 CH3CH2CHOHOH + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 C2H5COOH + 7 HOH
CaCl2 + Pb(NO2)2 = Ca(NO2)2 + PbCl2 =>
CaCl2 + Pb(NO2)2 = Ca(NO2)2 + PbCl2
H2SO4 + CuOH = Cu2SO4 + H2O =>
H2SO4 + 2 CuOH = Cu2SO4 + 2 H2O
CH3CH2CHOHOH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + C2H5COOH + HOH =>
3 CH3CH2CHOHOH + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 C2H5COOH + 7 HOH
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
V2O5 + CaS = CaO + V2S5 =>
V2O5 + 5 CaS = 5 CaO + V2S5
CH3CH2CHOHOH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + C2H5COOH + HOH =>
3 CH3CH2CHOHOH + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 C2H5COOH + 7 HOH
B + O2 = B2O3 =>
4 B + 3 O2 = 2 B2O3
Fe + CuNO3 = Cu + Fe3(NO3)2 =>
3 Fe + 2 CuNO3 = 2 Cu + Fe3(NO3)2
CH3CH2CHOHOH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + C2H5COOH + HOH =>
3 CH3CH2CHOHOH + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 C2H5COOH + 7 HOH
Ca + H{+} = Ca2{+} + H2 =>
4 Ca + 2 H{+} = 2 Ca2{+} + H2
NH4HCO3 + H2CO3 = NH4CO3 + H2HCO3 =>
NH4HCO3 + H2CO3 = NH4CO3 + H2HCO3
Cu(OH)2 + NH4NO3 = Cu(NO3)2 + NH3 + H2O =>
Cu(OH)2 + 2 NH4NO3 = Cu(NO3)2 + 2 NH3 + 2 H2O
K2CO3 + HCl = HCO3 + K2Cl =>
K2CO3 + HCl = HCO3 + K2Cl
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