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3 V + 21 HF + 5 HNO3 = 3 H2[VF7] + 5 NO + 10 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
NaOH + Cu(NO3)2 = Cu(OH)2 + NaNO3 =>
2 NaOH + Cu(NO3)2 = Cu(OH)2 + 2 NaNO3
AgC2H3O2SrI2 = AgI2SrC2H3O2 =>
AgC2H3O2SrI2 = AgI2SrC2H3O2
NaOH + NaNO2(aq) + Al(s) + H2O = NH3(aq) + NaAlO2(aq) =>
NaOH + NaNO2(aq) + 2 Al(s) + H2O = NH3(aq) + 2 NaAlO2(aq)
N2(g) + O2(g) = N2O =>
2 N2(g) + O2(g) = 2 N2O
Na + I2 = NaI =>
2 Na + I2 = 2 NaI
NH4VO3 + PO4 = PO4VO3 + NH4 =>
NH4VO3 + PO4 = PO4VO3 + NH4
Ba(HSO3)2 = BaSO3 + H2O + SO2 = Ba(HSO3)2 =>
Ba(HSO3)2 = BaSO3 + H2O + SO2
K + Ca3(PO4)2 = K3(PO4) + Ca =>
6 K + Ca3(PO4)2 = 2 K3(PO4) + 3 Ca
Bi(NO3)3 + OH = Bi(OH)3 + NO3 =>
Bi(NO3)3 + 3 OH = Bi(OH)3 + 3 NO3
Ca(C2H3O2)2*H2O + NaOH = Na(C2H3O2)2 + CaOH + H2O =>
Ca(C2H3O2)2*H2O + NaOH = Na(C2H3O2)2 + CaOH + H2O
Ca + WO3 = CaO + W =>
3 Ca + WO3 = 3 CaO + W
N2O5 + NaOH = NaNO3 + H2O =>
N2O5 + 2 NaOH = 2 NaNO3 + H2O
Mn + HL = H2 + MnL3 =>
2 Mn + 6 HL = 3 H2 + 2 MnL3
Pb + Na + C2H5Cl5 = Pb(C2H5)4 + NaCl =>
Pb + 20 Na + 4 C2H5Cl5 = Pb(C2H5)4 + 20 NaCl
KSCN + Fe(NO3)3 = Fe(SCN)3 + K + NO3 =>
3 KSCN + Fe(NO3)3 = Fe(SCN)3 + 3 K + 3 NO3
COCl2 + CH4 = C3H6O + HCl =>
COCl2 + 2 CH4 = C3H6O + 2 HCl
H2SO4 + Pb2CH3COO = (Pb2)2SO4 + HC2H3O2 =>
H2SO4 + 2 Pb2CH3COO = (Pb2)2SO4 + 2 HC2H3O2
AsH3 + KMnO4 = K2HAsO3 + MnO2 + H2O =>
AsH3 + 2 KMnO4 = K2HAsO3 + 2 MnO2 + H2O
NaNO3(aq) + H2SO4(l) = Na2SO4(s) + HNO3(l) =>
2 NaNO3(aq) + H2SO4(l) = Na2SO4(s) + 2 HNO3(l)
CHO + SO4{-2} + H{+} = CO2 + HS{-} + H2O =>
8 CHO + 3 SO4{-2} + 3 H{+} = 8 CO2 + 3 HS{-} + 4 H2O
SO3 + CaO = Ca(SO4) =>
SO3 + CaO = Ca(SO4)
C2H4NaBr + Br2 = C2H3NaBr2 + HBr =>
C2H4NaBr + Br2 = C2H3NaBr2 + HBr
KClO3 + Na2SnO2 = KCl + Na2SnO3 =>
KClO3 + 3 Na2SnO2 = KCl + 3 Na2SnO3
Fe(NO3)3 + Na2CO3 = Fe2(CO3)3 + NaNO3 =>
2 Fe(NO3)3 + 3 Na2CO3 = Fe2(CO3)3 + 6 NaNO3
NaCl + KBr = KCl + NaBr =>
NaCl + KBr = KCl + NaBr
CaCO3(k) + HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq) =>
CaCO3(k) + 2 HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq)
H2NCOONH4 = C + O2 + N2 + H2 =>
H2NCOONH4 = C + O2 + N2 + 3 H2
Be2 + H2O = BeO + H =>
Be2 + 2 H2O = 2 BeO + 4 H
C2H2O4 = CHOOH + CO2 =>
C2H2O4 = CHOOH + CO2
(COOH)2 + CHNaO3 = C2H3NaO2 + H2O + CO2 =>
4(COOH)2 + CHNaO3 = C2H3NaO2 + 3 H2O + 7 CO2
NI + HNO3 = NI(NO3)2 + N2O + H2O =>
4 NI + 10 HNO3 = 4 NI(NO3)2 + N2O + 5 H2O
Na + Nz = NzNa =>
Na + Nz = NzNa
Na2CO3(s) + HCl(ac) = NaCl(ac) + H2O(ac) + CO2(g) =>
Na2CO3(s) + 2 HCl(ac) = 2 NaCl(ac) + H2O(ac) + CO2(g)
KI + KNO3 + H2SO4 = K2SO4 + I2 + N2 + H2O =>
10 KI + 2 KNO3 + 6 H2SO4 = 6 K2SO4 + 5 I2 + N2 + 6 H2O
SO2 + H2S = H2O + S =>
SO2 + 2 H2S = 2 H2O + 3 S
MgSO4 + PbCl2 = Pb(SO4) + MgCl2 =>
MgSO4 + PbCl2 = Pb(SO4) + MgCl2
Ce(OH)3 + KMnO4 + H2O = MnO2 + Ce(OH)4 + KOH =>
3 Ce(OH)3 + KMnO4 + 2 H2O = MnO2 + 3 Ce(OH)4 + KOH
H2SO3 + MnO2 = Mn(SO3)2 + H2O =>
2 H2SO3 + MnO2 = Mn(SO3)2 + 2 H2O
K2S + ZnCl2 = KCl + SZn =>
K2S + ZnCl2 = 2 KCl + SZn
(COOH)2 + KMnO4 + H2SO4 = MnSO4 + K2SO4 + H2O + CO2 =>
5(COOH)2 + 2 KMnO4 + 3 H2SO4 = 2 MnSO4 + K2SO4 + 8 H2O + 10 CO2
K2CO3 + CoCl2 = K2Cl2 + CoCO3 =>
K2CO3 + CoCl2 = K2Cl2 + CoCO3
Cr + H = HCr =>
Cr + H = HCr
H2S + FrOH = Fr2S + H2O =>
H2S + 2 FrOH = Fr2S + 2 H2O
Ni(NO3)2 + Na2 = Ni + Na(NO3)2 =>
2 Ni(NO3)2 + Na2 = 2 Ni + 2 Na(NO3)2
Mn + NiSO4 = MnSO4 + Ni =>
Mn + NiSO4 = MnSO4 + Ni
NaHSO3 + H2SO4 + NaMnO4 = Na2SO4 + MnSO4 + H2O =>
10 NaHSO3 + H2SO4 + 4 NaMnO4 = 7 Na2SO4 + 4 MnSO4 + 6 H2O
MgCO3 + BaSO4 = (Mg)SO4 + BaCO3 =>
MgCO3 + BaSO4 = (Mg)SO4 + BaCO3
(NH4)3BO3 + HCl = NH4Cl + H3BO3 =>
(NH4)3BO3 + 3 HCl = 3 NH4Cl + H3BO3
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