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Br2 + H2C2O4 = 2 HBr + 2 CO2
Na2SO3 + HC2H3O2 = H2SO3 + NaC2H3O2 =>
Na2SO3 + 2 HC2H3O2 = H2SO3 + 2 NaC2H3O2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
(NH4)2S + CuSO4 = (NH4)2SO4 + CuS =>
(NH4)2S + CuSO4 = (NH4)2SO4 + CuS
CuS + HCl = CuCl2 + H2S =>
CuS + 2 HCl = CuCl2 + H2S
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
NaHBr = H2 + NaBr =>
2 NaHBr = H2 + 2 NaBr
Cu(OH)2 + HCl = CuCl2 + H2O =>
Cu(OH)2 + 2 HCl = CuCl2 + 2 H2O
Pb(NO3)2(aq) + K2S(aq) = PbS(c) + KNO3(aq) =>
Pb(NO3)2(aq) + K2S(aq) = PbS(c) + 2 KNO3(aq)
LiI + AgNO3 = AgI + LiNO3 =>
LiI + AgNO3 = AgI + LiNO3
KBrO3 + AsCl3 + HCl = KBr + AsCl5 + H2O =>
KBrO3 + 3 AsCl3 + 6 HCl = KBr + 3 AsCl5 + 3 H2O
Ni + N2 = NiN2 =>
Ni + N2 = NiN2
RbI(aq) + AgNO3(aq) = RbNO3(aq) + AgI(s) =>
RbI(aq) + AgNO3(aq) = RbNO3(aq) + AgI(s)
C2H5COOH + Al2O3 = (C2H5COO)3Al + H2O =>
6 C2H5COOH + Al2O3 = 2(C2H5COO)3Al + 3 H2O
C3H7OH + K = C3H6OK + H2 =>
C3H7OH + K = C3H6OK + H2
C6H12O6 = C + H2O =>
C6H12O6 = 6 C + 6 H2O
H3PO4 + N2O5 = HNO3 + P2O5 =>
2 H3PO4 + 3 N2O5 = 6 HNO3 + P2O5
KAl(SO4)2*12H2O + Na2CO3 = Al(OH)3 + K2SO4 + Na2SO4 + H2O + CO2 =>
2 KAl(SO4)2*12H2O + 3 Na2CO3 = 2 Al(OH)3 + K2SO4 + 3 Na2SO4 + 21 H2O + 3 CO2
K2Cr2O7 + KOH = K2CrO4 + H2O =>
K2Cr2O7 + 2 KOH = 2 K2CrO4 + H2O
Na3AsO3 + HCl + Mg = AsH3 + MgCl + NaCl + H2O =>
Na3AsO3 + 9 HCl + 6 Mg = AsH3 + 6 MgCl + 3 NaCl + 3 H2O
Cu(NO3)2 + K2S = CuS + KNO3 =>
Cu(NO3)2 + K2S = CuS + 2 KNO3
Ni + H2SO4 = Ni2SO4 + H2 =>
2 Ni + H2SO4 = Ni2SO4 + H2
Mg3(PO4)2 + FeCl2 = MgCl2 + Fe3(PO4)2 =>
Mg3(PO4)2 + 3 FeCl2 = 3 MgCl2 + Fe3(PO4)2
No2 + Cl2 = No2Cl2 =>
No2 + Cl2 = No2Cl2
N2SO4 + K2O = K2SO4 + N2O =>
N2SO4 + K2O = K2SO4 + N2O
Mg{+2} + H2O = Mg(OH)2 + H{+} =>
Mg{+2} + 2 H2O = Mg(OH)2 + 2 H{+}
N2SO4 + K2O = K2SO4 + N2O =>
N2SO4 + K2O = K2SO4 + N2O
K + CI2 = KC + I =>
K + CI2 = KC + 2 I
HCH2ClCO2 + NaOH = C2H2ClNaO2 + H2O =>
HCH2ClCO2 + NaOH = C2H2ClNaO2 + H2O
N2SO4 + K2O = K2SO4 + N2O =>
N2SO4 + K2O = K2SO4 + N2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
CrO + C = Cr + CO2 =>
2 CrO + C = 2 Cr + CO2
Ba(NO3)2 + Na2SO4 = BaSO4 + NaNO3 =>
Ba(NO3)2 + Na2SO4 = BaSO4 + 2 NaNO3
H2(g) + Fe2O3(s) = H2O(l) + Fe(s) =>
3 H2(g) + Fe2O3(s) = 3 H2O(l) + 2 Fe(s)
KI + H2 = HKI =>
2 KI + H2 = 2 HKI
K2Cr2O7 + K + HCl = KCl + CrCl3 + H2O =>
K2Cr2O7 + 6 K + 14 HCl = 8 KCl + 2 CrCl3 + 7 H2O
S2Cl2 + H2O = SO2 + HCl + S =>
2 S2Cl2 + 2 H2O = SO2 + 4 HCl + 3 S
HCOONa + HCl = HCOOH + NaCl =>
HCOONa + HCl = HCOOH + NaCl
Cl*2 + NaOH = NaCl + NaClO + H2O =>
2 Cl*2 + 2 NaOH = NaCl + NaClO + H2O
C125H242 + O2 = CO2 + H2O =>
2 C125H242 + 371 O2 = 250 CO2 + 242 H2O
[Ag(NH3)2]Cl + Na2S = NaCl + Ag2S + NH3 =>
2[Ag(NH3)2]Cl + Na2S = 2 NaCl + Ag2S + 4 NH3
C6H5CH3 + KMnO4 + H2SO4 = MnSO4 + K2SO4C6H5COOH + H2O + CO2 =>
10 C6H5CH3 + 18 KMnO4 + 27 H2SO4 = 18 MnSO4 + 9 K2SO4C6H5COOH + 40 H2O + 7 CO2
PdO + H2O = Pd(OH)2 =>
PdO + H2O = Pd(OH)2
Fe2O3 + H2(g) = Fe(s) + H2O(l) =>
Fe2O3 + 3 H2(g) = 2 Fe(s) + 3 H2O(l)
FeS2 + HNO3 = Fe2(SO4)3 + H2SO4 + NO + H2O =>
2 FeS2 + 10 HNO3 = Fe2(SO4)3 + H2SO4 + 10 NO + 4 H2O
Ca3 + Cl = CaCl =>
Ca3 + 3 Cl = 3 CaCl
FeCl3 + Mg + H2O = Fe2O3 + H2 + MgCl2 =>
2 FeCl3 + 3 Mg + 3 H2O = Fe2O3 + 3 H2 + 3 MgCl2
(c)Na2B4O7(s) + H2SO4(aq) + H2O(l) = H3BO3(s) + Na2SO4(aq) =>
(c)Na2B4O7(s) + H2SO4(aq) + 5 H2O(l) = 4 H3BO3(s) + Na2SO4(aq)
Pb(NO3)2 + Kl = Pb + Kl(NO3)2 =>
Pb(NO3)2 + Kl = Pb + Kl(NO3)2
NaHCO3 + Zn = ZnHCO3 + Na =>
NaHCO3 + Zn = ZnHCO3 + Na
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