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2 Cr{3+} + 4 NaBiO3 + 10 H{+} = Cr2O7 + 4 Bi{3+} + 5 H2O + 4 Na{+}
C2H5OH + H{+} + Cr2O7{2-} = CH3COOH + H2O + Cr{3+} =>
3 C2H5OH + 16 H{+} + 2 Cr2O7{2-} = 3 CH3COOH + 11 H2O + 4 Cr{3+}
Cr + H2SO4 = Cr(SO4) + H2 =>
Cr + H2SO4 = Cr(SO4) + H2
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
S8 + Br2 = SBr2 =>
S8 + 8 Br2 = 8 SBr2
FeSO4 + H3PO4 + K2Cr2O7 = Fe2(SO4)3 + FePO4 + K2HPO4 + Cr2(SO4)3 + H2O =>
6 FeSO4 + 5 H3PO4 + K2Cr2O7 = Fe2(SO4)3 + 4 FePO4 + K2HPO4 + Cr2(SO4)3 + 7 H2O
Ca(OH)2(s) + HCl(ac) = CaCl2(ac) + H2O(l) =>
Ca(OH)2(s) + 2 HCl(ac) = CaCl2(ac) + 2 H2O(l)
S + KOH = K2SO4 + K2S + H2O =>
4 S + 8 KOH = K2SO4 + 3 K2S + 4 H2O
Ba{2+} + S{-2) = BaS =>
Ba{2+} + S{-2) = BaS
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
C3H5OH + O2 = CO2 + H2O =>
C3H5OH + 4 O2 = 3 CO2 + 3 H2O
(NH2)2CO + H3BO3 = BN + CO2 + H2O =>
(NH2)2CO + 2 H3BO3 = 2 BN + CO2 + 5 H2O
MgO + H2O = Mg(OH)2 =>
MgO + H2O = Mg(OH)2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H3BO3 + Ca(OH)2 = Ca(BO2)2 + H2O =>
2 H3BO3 + Ca(OH)2 = Ca(BO2)2 + 4 H2O
HF + Pb(OH)4 = PbF4 + H2O =>
4 HF + Pb(OH)4 = PbF4 + 4 H2O
HOCl + Pb(NO3)2 = PbCl2 + HNO4 =>
2 HOCl + Pb(NO3)2 = PbCl2 + 2 HNO4
Mg2 + EDTA = MgEDTA =>
Mg2 + 2 EDTA = 2 MgEDTA
Sn(OH)4 + FeBr3 = SnBr4 + Fe(OH)3 =>
3 Sn(OH)4 + 4 FeBr3 = 3 SnBr4 + 4 Fe(OH)3
CuBr + K2S = Cu2S + KBr =>
2 CuBr + K2S = Cu2S + 2 KBr
N2H3CH3 + N2O4 = H2O + N2 + CO2 =>
4 N2H3CH3 + 5 N2O4 = 12 H2O + 9 N2 + 4 CO2
CrF3(aq) + Ba(MnO4)2(aq) = BaF2(aq) + Cr(MnO4)3(s) =>
2 CrF3(aq) + 3 Ba(MnO4)2(aq) = 3 BaF2(aq) + 2 Cr(MnO4)3(s)
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
Zn2 + HCl2 = ZnCl2 + H =>
Zn2 + 2 HCl2 = 2 ZnCl2 + 2 H
B + F2 = BF3 =>
2 B + 3 F2 = 2 BF3
CrI3 + KOH + Cl2 = H2CrO4 + KIO + KCl + H2O =>
2 CrI3 + 24 KOH + 9 Cl2 = 2 H2CrO4 + 6 KIO + 18 KCl + 10 H2O
KOH + CO = K2CO3 + H2 =>
2 KOH + CO = K2CO3 + H2
Ga + SiO2 = Si + Ga2O =>
4 Ga + SiO2 = Si + 2 Ga2O
Fe + Ge = Fe33Ge10 =>
33 Fe + 10 Ge = Fe33Ge10
[Co(NH3)4Cl2]Cl + NH3 = [Co(NH3)5Cl]Cl2 =>
[Co(NH3)4Cl2]Cl + NH3 = [Co(NH3)5Cl]Cl2
B + F2 = BF3 =>
2 B + 3 F2 = 2 BF3
Mg + EDTA = MgEDTA =>
Mg + EDTA = MgEDTA
K2CO3(aq) + AgC2H3O2(aq) = AgCO3(s) + K2C2H3O2(aq) =>
K2CO3(aq) + AgC2H3O2(aq) = AgCO3(s) + K2C2H3O2(aq)
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
HBr(ac) + KOH(ac) = H2O(l) + KBr(ac) =>
HBr(ac) + KOH(ac) = H2O(l) + KBr(ac)
AgNO3(ac) + H2S(ac) = Ag2S(s) + HNO3(ac) =>
2 AgNO3(ac) + H2S(ac) = Ag2S(s) + 2 HNO3(ac)
Fe(OH)3 + PbSO4 = Fe2(SO4)3 + Pb(OH)2 =>
2 Fe(OH)3 + 3 PbSO4 = Fe2(SO4)3 + 3 Pb(OH)2
Fe(NO3)3 + KSCN = Fe(SCN)3 + KNO3 =>
Fe(NO3)3 + 3 KSCN = Fe(SCN)3 + 3 KNO3
Zn(CN)2 + H3O{+} = Zn{2+} + HCN + H2O =>
Zn(CN)2 + 2 H3O{+} = Zn{2+} + 2 HCN + 2 H2O
FeS(s) + O2(g) + H2O(i) = Fe2O3(s) + H2SO4(aq) =>
4 FeS(s) + 9 O2(g) + 4 H2O(i) = 2 Fe2O3(s) + 4 H2SO4(aq)
P + K2O = P2O5 + K =>
2 P + 5 K2O = P2O5 + 10 K
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Ca(OH)2(s) + HCl(ac) = CaCl2(ac) + H2O(l) =>
Ca(OH)2(s) + 2 HCl(ac) = CaCl2(ac) + 2 H2O(l)
K2(CO3) + Sr(NO3)2 = KNO3 + SrCO3 =>
K2(CO3) + Sr(NO3)2 = 2 KNO3 + SrCO3
Na + CaSO4 = Na2SO4 + Ca =>
2 Na + CaSO4 = Na2SO4 + Ca
C + O2 = CO2 =>
C + O2 = CO2
HNO3 + NaOH = NaNO3 + H2O =>
HNO3 + NaOH = NaNO3 + H2O
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