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Na2O + CaCO3 = Na2(CO3) + CaO
S + HOH = SOH + H2 =>
2 S + 2 HOH = 2 SOH + H2
S + HOH = H2S + OH =>
S + 2 HOH = H2S + 2 OH
Mn + CH3COOH + H2O = Mn(CH3COO)2*4H2O + H2 =>
Mn + 2 CH3COOH + 4 H2O = Mn(CH3COO)2*4H2O + H2
Ca(OH)2 + Hg = Ca(OH)2Hg =>
Ca(OH)2 + Hg = Ca(OH)2Hg
Zn + NH4Cl + H2O = H2 + ZnCl2 + NH4OH =>
Zn + 2 NH4Cl + 2 H2O = H2 + ZnCl2 + 2 NH4OH
KHSO4 + LiOH = K2SO4 + Li2SO4 + H2O =>
2 KHSO4 + 2 LiOH = K2SO4 + Li2SO4 + 2 H2O
NaBr + H2SO4 + NaNO2 = Br + NO + H2O + Na2SO4 =>
NaBr + H2SO4 + NaNO2 = Br + NO + H2O + Na2SO4
Sb + KMnO4 + H2SO4 = MnSO4 + K2SO4 + Sb2O3 + H2O =>
10 Sb + 6 KMnO4 + 9 H2SO4 = 6 MnSO4 + 3 K2SO4 + 5 Sb2O3 + 9 H2O
Na[Cr(OH)4] + H2SO4 = Cr2(SO4)3 + Na2SO4 + H2O =>
2 Na[Cr(OH)4] + 4 H2SO4 = Cr2(SO4)3 + Na2SO4 + 8 H2O
Fe2(SO4)3 + HCl = Fe2Cl + H(SO4)3 =>
Fe2(SO4)3 + HCl = Fe2Cl + H(SO4)3
HBr2 + H2SO4 = SO2 + Br2 + H2O =>
2 HBr2 + H2SO4 = SO2 + 2 Br2 + 2 H2O
K + H2O(l) = KOH(aq) + H2(g) =>
2 K + 2 H2O(l) = 2 KOH(aq) + H2(g)
Li2CO3 + HBr = Li2Br + HCO3 =>
Li2CO3 + HBr = Li2Br + HCO3
Fe(NO3)3(aq) + NH4OH(aq) = Fe(OH)3 + NH4NO3(aq) =>
Fe(NO3)3(aq) + 3 NH4OH(aq) = Fe(OH)3 + 3 NH4NO3(aq)
HCl(aq) + KBr(aq) = HBr(aq) + KCl(aq) =>
HCl(aq) + KBr(aq) = HBr(aq) + KCl(aq)
Pb + Na2SO4 = PbSO4 + Na =>
Pb + Na2SO4 = PbSO4 + 2 Na
K2CO3 + HCl = CO2 + H2O + KCl =>
K2CO3 + 2 HCl = CO2 + H2O + 2 KCl
As2S5 + [NO3]{-} + H{+} = [AsO4]{3-} + [SO4]{2-} + OH{-} + NO2 =>
As2S5 + 40[NO3]{-} + 12 H{+} = 2[AsO4]{3-} + 5[SO4]{2-} + 12 OH{-} + 40 NO2
ZnSO3 + Cu = ZnCu + SO3 =>
ZnSO3 + Cu = ZnCu + SO3
C3H7COOK + H2O = C3H7COOH + KOH =>
C3H7COOK + H2O = C3H7COOH + KOH
CuOH + HNO3 = CuNO3 + H2O =>
CuOH + HNO3 = CuNO3 + H2O
C18H30 + O2 = CO2 + H2O =>
2 C18H30 + 51 O2 = 36 CO2 + 30 H2O
CuSO4 + KOH = Cu(OH)2 + K2SO4 =>
CuSO4 + 2 KOH = Cu(OH)2 + K2SO4
Cr(NO3)2 + H2O = Cr(NO3)2*6H2O =>
Cr(NO3)2 + 6 H2O = Cr(NO3)2*6H2O
Sb + KMnO4 + H2SO4 = MnSO4 + K2SO4 + Sb2O3 + H2O =>
10 Sb + 6 KMnO4 + 9 H2SO4 = 6 MnSO4 + 3 K2SO4 + 5 Sb2O3 + 9 H2O
H2{2+} + O2 + e = H2O =>
2 H2{2+} + O2 + 4e = 2 H2O
Fe(No3)3 + NaOH = Fe(OH)3 + NaNo3 =>
Fe(No3)3 + 3 NaOH = Fe(OH)3 + 3 NaNo3
FeCl3 + Hg(NO3)2 = Fe(NO3)2 + HgCl3 =>
FeCl3 + Hg(NO3)2 = Fe(NO3)2 + HgCl3
MgCO3 + H2SO4 = MgSO4 + H2O + CO2 =>
MgCO3 + H2SO4 = MgSO4 + H2O + CO2
Pb + NaCl = PbCl2 + Na =>
Pb + 2 NaCl = PbCl2 + 2 Na
FeOCr2O3 + KOH + O2 = Fe2O3 + K2CrO4 + H2O =>
4 FeOCr2O3 + 16 KOH + 7 O2 = 2 Fe2O3 + 8 K2CrO4 + 8 H2O
BaCl2(aq) + K2CrO4(s) = KCl(aq) + BaCrO4(s) =>
BaCl2(aq) + K2CrO4(s) = 2 KCl(aq) + BaCrO4(s)
Mn3 + O4 = Mn3O4 =>
Mn3 + O4 = Mn3O4
Zn + CuCl2 = Cu + ZnCl2 =>
Zn + CuCl2 = Cu + ZnCl2
HC2H3O2(aq) + Ca(OH)2(aq) = H2O(l) + Ca(C2H3O2)2(aq) =>
2 HC2H3O2(aq) + Ca(OH)2(aq) = 2 H2O(l) + Ca(C2H3O2)2(aq)
CH3CH2CH2OH + K2Cr2O7 + H2SO4 = CH3CH2COOH + K2SO4 + Cr2(SO4)3 + H2O =>
3 CH3CH2CH2OH + 2 K2Cr2O7 + 8 H2SO4 = 3 CH3CH2COOH + 2 K2SO4 + 2 Cr2(SO4)3 + 11 H2O
H2S + MgCl2 = HCl + MgS =>
H2S + MgCl2 = 2 HCl + MgS
Pb + Na2SO4 = PbSO4 + Na =>
Pb + Na2SO4 = PbSO4 + 2 Na
KClO4 + HCl = KCl + Cl2 + H2O =>
KClO4 + 8 HCl = KCl + 4 Cl2 + 4 H2O
Li2CO3 + HBr = Li2HBr + CO3 =>
Li2CO3 + HBr = Li2HBr + CO3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
K2S + H2SO4 = K2SO4 + H2S =>
K2S + H2SO4 = K2SO4 + H2S
K2S + CuCl2 = K2Cl2 + CuS =>
K2S + CuCl2 = K2Cl2 + CuS
CNBr + CH3NH2 = CH3Br + NCNH2 =>
CNBr + CH3NH2 = CH3Br + NCNH2
CuCl2 + Ca(No3)2 = Cu(No3)2 + CaCl2 =>
CuCl2 + Ca(No3)2 = Cu(No3)2 + CaCl2
HCO3 + NaOH + NH4 = NaHCO3 + H2O + NH3 =>
HCO3 + NaOH + NH4 = NaHCO3 + H2O + NH3
CuCl2 + KOH = Cu(OH)2 + KCl =>
CuCl2 + 2 KOH = Cu(OH)2 + 2 KCl
Mg(PO4)2 + Ag(NO3) = Mg(NO3)2 + Ag(PO4) =>
Mg(PO4)2 + 2 Ag(NO3) = Mg(NO3)2 + 2 Ag(PO4)
H2S + MgCl2 = MgH2 + Cl2S =>
H2S + MgCl2 = MgH2 + Cl2S
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