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2 Cr(s) + 3 Fe(No3)2(aq) = 3 Fe(s) + 2 Cr(No3)3(aq)
MnO2 + HCl + Zn = MnCl2 + ZnCl2 + H2O =>
MnO2 + 4 HCl + Zn = MnCl2 + ZnCl2 + 2 H2O
C6H5COOCH3 + HNO3 = C6H4NO2COOCH3 + H2O =>
C6H5COOCH3 + HNO3 = C6H4NO2COOCH3 + H2O
H2S + Cl2 = HCl + S2 =>
2 H2S + 2 Cl2 = 4 HCl + S2
FeBr2 + HOH = Fe(OH)2 + HBr =>
FeBr2 + 2 HOH = Fe(OH)2 + 2 HBr
CO + H2O + KOH + K2Cr2O7 = Cr(OH)3 + KHCO3 =>
3 CO + 4 H2O + KOH + K2Cr2O7 = 2 Cr(OH)3 + 3 KHCO3
Al + H{-}1 + NO3{-}1 + H2O = AlO2{-}1 + NH3 =>
2 Al + H{-}1 + NO3{-}1 + H2O = 2 AlO2{-}1 + NH3
RbOH + H2O = RbOOH + H2 =>
RbOH + H2O = RbOOH + H2
Fe + O3 + H2O = Fe(OH)2 =>
3 Fe + O3 + 3 H2O = 3 Fe(OH)2
Ca(CH3COO)2 + NaH2PO4 + H2O = Ca10(PO4)6(OH)2 + CH3COONa + CH3COOH =>
10 Ca(CH3COO)2 + 6 NaH2PO4 + 2 H2O = Ca10(PO4)6(OH)2 + 6 CH3COONa + 14 CH3COOH
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
C4H7OBr + C2H6O = C6H12O2 + HBr =>
C4H7OBr + C2H6O = C6H12O2 + HBr
FeS + NH4Cl = FeCl2 + (NH4)2S =>
FeS + 2 NH4Cl = FeCl2 + (NH4)2S
Na2Cr2O7 + H2S + H2SO4 = Cr2(SO4)3 + NaHSO4 + H2O =>
4 Na2Cr2O7 + 3 H2S + 17 H2SO4 = 4 Cr2(SO4)3 + 8 NaHSO4 + 16 H2O
SrBr2 + F2 = SrF2 + Br =>
SrBr2 + F2 = SrF2 + 2 Br
K + N2 = N2K =>
K + N2 = N2K
NaBr + H2SO4 = Br2 + SO2 + H2O + NaSO4 =>
2 NaBr + 4 H2SO4 = Br2 + 2 SO2 + 4 H2O + 2 NaSO4
ZnSO4 + LiCl = ZnCl + LiSO4 =>
ZnSO4 + LiCl = ZnCl + LiSO4
Zn(s) + HCl(aq) = ZnCl2(aq) + H2(g) =>
Zn(s) + 2 HCl(aq) = ZnCl2(aq) + H2(g)
H3PO4 + NaOH = NaH2PO4 + H2O =>
H3PO4 + NaOH = NaH2PO4 + H2O
MgHPO4 = Mg(H2PO4)2 + Mg3(PO4)2 =>
4 MgHPO4 = Mg(H2PO4)2 + Mg3(PO4)2
FeCl3 + KNO3 = FeNO3 + KCl3 =>
FeCl3 + KNO3 = FeNO3 + KCl3
WO3 + H = W + H2O =>
WO3 + 6 H = W + 3 H2O
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
(CrO2)2Fe + CO3Na2 + O2 = Fe2O3 + CrO4Na2 + CO2 =>
4(CrO2)2Fe + 8 CO3Na2 + 7 O2 = 2 Fe2O3 + 8 CrO4Na2 + 8 CO2
C6H6 + CH3Cl = C6H9 + HCl =>
C6H6 + 6 CH3Cl = 2 C6H9 + 6 HCl
Al(NO3)3 + Na3PO4 = AlPO4 + NaNO3 =>
Al(NO3)3 + Na3PO4 = AlPO4 + 3 NaNO3
Na + CH3CO2 = C2H3NaO2 =>
Na + CH3CO2 = C2H3NaO2
CuCl2 + HCl = CuCl4{2-} + H{+} =>
CuCl2 + 2 HCl = CuCl4{2-} + 2 H{+}
Pb + H2O = PbO2 + H =>
Pb + 2 H2O = PbO2 + 4 H
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Ra + H2O = Ra(OH)2 + H2 =>
Ra + 2 H2O = Ra(OH)2 + H2
Cl2 + BaF2 = Cl2BaF2 =>
Cl2 + BaF2 = Cl2BaF2
HClO2 = ClO2 + Cl2 + H2O =>
8 HClO2 = 6 ClO2 + Cl2 + 4 H2O
C + O2 = CO2 =>
C + O2 = CO2
Br + NaI = NaBr + I =>
Br + NaI = NaBr + I
KMnO4 + H2SO4 + HNO2 = K2SO4 + MnSO4 + HNO3 + H2O =>
2 KMnO4 + 3 H2SO4 + 5 HNO2 = K2SO4 + 2 MnSO4 + 5 HNO3 + 3 H2O
Na2CO3 + H2SO4 = Na2SO4 + CO2 + H2O =>
Na2CO3 + H2SO4 = Na2SO4 + CO2 + H2O
Al = Al3{+} + e =>
3 Al = Al3{+} + e
(CH2CH2OH)2 + O2 = CO2 + H2O =>
2(CH2CH2OH)2 + 11 O2 = 8 CO2 + 10 H2O
Mg + HCl + O2 = MgCl2 + H2O =>
2 Mg + 4 HCl + O2 = 2 MgCl2 + 2 H2O
Br + NaI = NaBr + I =>
Br + NaI = NaBr + I
Zn(s) + HCl(ac) = ZnCl(ac) + H2(g) =>
2 Zn(s) + 2 HCl(ac) = 2 ZnCl(ac) + H2(g)
AgO = Ag + O =>
AgO = Ag + O
Ba(NO3)2 + NaCl = Ba(NaCl) + (NO3)2 =>
Ba(NO3)2 + NaCl = Ba(NaCl) + (NO3)2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
OH + H3PO4 = H2PO4 + H2O =>
OH + H3PO4 = H2PO4 + H2O
Zn(OH)2 + NH3 = (Zn(NH3)6)(OH)2 =>
Zn(OH)2 + 6 NH3 = (Zn(NH3)6)(OH)2
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