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3 Cr2O72{-} + 432 H{+} + 854 Cu = 2 Cr3{+} + 216 H2O + 427 Cu2{+}
NH4F*HF + NaOH = NaF + H2O + NH3 =>
NH4F*HF + 2 NaOH = 2 NaF + 2 H2O + NH3
H(NO3) + Mn(OH)2 = H(OH)2 + Mn(NO3) =>
H(NO3) + Mn(OH)2 = H(OH)2 + Mn(NO3)
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
V + C = V4C5 =>
4 V + 5 C = V4C5
AlI3 + Zn(C2H3O2)2 = Al(C2H3O2)3 + ZnI2 =>
2 AlI3 + 3 Zn(C2H3O2)2 = 2 Al(C2H3O2)3 + 3 ZnI2
HCH3O2 + Al(OH)3 = H2O + Al(C2H3O2)3 =>
6 HCH3O2 + Al(OH)3 = 9 H2O + Al(C2H3O2)3
K + Cr{3} = Cr + K{+} =>
3 K + Cr{3} = Cr + 3 K{+}
MgBr2 + Cu(SO4) = Mg(SO4) + CuBr2 =>
MgBr2 + Cu(SO4) = Mg(SO4) + CuBr2
Er + H2O = Er(OH)3 + H2 =>
2 Er + 6 H2O = 2 Er(OH)3 + 3 H2
NaHCO3(s) + C2H3O2H(aq) = NaC2H3O2 + H2O(l) + CO2(g) =>
NaHCO3(s) + C2H3O2H(aq) = NaC2H3O2 + H2O(l) + CO2(g)
Co2 + Ca(OH)2 = CaCo3 + OH =>
3 Co2 + 2 Ca(OH)2 = 2 CaCo3 + 4 OH
Na2S + Cu(NO3) = Cu2S + NaNO3 =>
Na2S + 2 Cu(NO3) = Cu2S + 2 NaNO3
Pt + HNO3 + HCl = H2[Pt(Cl)6] + NO + H2O =>
3 Pt + 4 HNO3 + 18 HCl = 3 H2[Pt(Cl)6] + 4 NO + 8 H2O
HNO3 + BaCl2 = HCl2 + BaNO3 =>
HNO3 + BaCl2 = HCl2 + BaNO3
FeCuS2 + KClO3 = KCl + CuO + Fe2O3 + SO2 =>
6 FeCuS2 + 13 KClO3 = 13 KCl + 6 CuO + 3 Fe2O3 + 12 SO2
CrCl3 + AgCl + NaOH = Na2CrO4 + NaCl + Ag + H2O =>
CrCl3 + 3 AgCl + 8 NaOH = Na2CrO4 + 6 NaCl + 3 Ag + 4 H2O
H2SO4 + NH = (NH4)2 + SO4 =>
3 H2SO4 + 2 NH = (NH4)2 + 3 SO4
CH3NHCH3 + CH3Br = CH3NH2CH3Br + (CH3)3N =>
2 CH3NHCH3 + CH3Br = CH3NH2CH3Br + (CH3)3N
CH3(CH2)6CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)6CH3 + 25 O2 = 16 CO2 + 18 H2O
CH4O(g) + O2 = CO2(g) + H2O(g) =>
2 CH4O(g) + 3 O2 = 2 CO2(g) + 4 H2O(g)
Li2O + H2CO3 = Li2CO3 + H2O =>
Li2O + H2CO3 = Li2CO3 + H2O
Ca(OH)2 + BaBr2 = CaBr2 + Ba(OH)2 =>
Ca(OH)2 + BaBr2 = CaBr2 + Ba(OH)2
Zn(NO3)2 + HCl = ZnCl + (NO3)2 + H =>
Zn(NO3)2 + HCl = ZnCl + (NO3)2 + H
Na2S + Cu(CH3CO2)2 = CuS + NaCH3CO2 =>
Na2S + Cu(CH3CO2)2 = CuS + 2 NaCH3CO2
Be + HCl = BeCl2 + H2 =>
Be + 2 HCl = BeCl2 + H2
K(s) + Br2(g) = KBr(s) =>
2 K(s) + Br2(g) = 2 KBr(s)
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
O2 + Fe = Fe3O4 =>
2 O2 + 3 Fe = Fe3O4
HClO4 + Ba(OH)2 = Ba(ClO4)2 + H2O =>
2 HClO4 + Ba(OH)2 = Ba(ClO4)2 + 2 H2O
K2CrO4 + CrO3 = K2Cr2O7 =>
K2CrO4 + CrO3 = K2Cr2O7
C6H2(NO2)3CH3 = N2 + H2O + CO + C =>
2 C6H2(NO2)3CH3 = 3 N2 + 5 H2O + 7 CO + 7 C
Fe(NO3)3 + CrSO4 = Fe2(SO4)3 + Cr(NO3)2 =>
2 Fe(NO3)3 + 3 CrSO4 = Fe2(SO4)3 + 3 Cr(NO3)2
Bi + O = Bi2O5 =>
2 Bi + 5 O = Bi2O5
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
HClO3 = HCl + O2 =>
2 HClO3 = 2 HCl + 3 O2
NaC1O = NaC1 + O2 =>
2 NaC1O = 2 NaC1 + O2
ClO2 + NaOH = NaCl + NaClO3 + H2O =>
6 ClO2 + 6 NaOH = NaCl + 5 NaClO3 + 3 H2O
(CH3COO)3Fe + H2O = CH3COOH + Fe(OH)3 =>
(CH3COO)3Fe + 3 H2O = 3 CH3COOH + Fe(OH)3
CH3COONa3H2O = CH3COO + Na + H2O =>
CH3COONa3H2O = CH3COO + 3 Na + H2O
Hg2Cl2 + HCl = HgCl2 + H2 =>
Hg2Cl2 + 2 HCl = 2 HgCl2 + H2
C3H7SH(l) + O2(g) = CO2(g) + SO(g) + H2O =>
2 C3H7SH(l) + 11 O2(g) = 6 CO2(g) + 2 SO(g) + 8 H2O
Cl2 + O7 = Cl2O5 =>
7 Cl2 + 5 O7 = 7 Cl2O5
Bi(NO3)3 + NaI = NaNO3 + BiI3 =>
Bi(NO3)3 + 3 NaI = 3 NaNO3 + BiI3
KIO4 + C2H6O2 = I2 + CO2 + KOH + H2O =>
10 KIO4 + 7 C2H6O2 = 5 I2 + 14 CO2 + 10 KOH + 16 H2O
Fe(OH)2 + NaClO + NaOH = Na2FeO4 + NaCl + H2O =>
Fe(OH)2 + 2 NaClO + 2 NaOH = Na2FeO4 + 2 NaCl + 2 H2O
K(s) + Br2(g) = KBr(g) =>
2 K(s) + Br2(g) = 2 KBr(g)
Cu(OH)2 + (NH4OH*2H2O) + NH4NO3 = [Cu(NH3)4](NO3)2 + H2O =>
Cu(OH)2 + 2(NH4OH*2H2O) + 2 NH4NO3 = [Cu(NH3)4](NO3)2 + 8 H2O
NH4 + SO4 + NaOH = NH3 + H2O + Na2SO2 =>
6 NH4 + SO4 + 2 NaOH = 6 NH3 + 4 H2O + Na2SO2
CuO + C = Cu + CO2 =>
2 CuO + C = 2 Cu + CO2
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