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2 C + (O)2 = (CO)2
KOH + C20H14O4 = K + H2CO3 + H2O =>
86 KOH + C20H14O4 = 86 K + 20 H2CO3 + 30 H2O
Ca3(PO4)2 + (NH4)2S = Ca2S2 + (NH4)3PO4 =>
2 Ca3(PO4)2 + 6(NH4)2S = 3 Ca2S2 + 4(NH4)3PO4
(NH4)2CO3 + Fe2(SO4)3 = Fe2(CO3)3 + (NH4)2SO4 =>
3(NH4)2CO3 + Fe2(SO4)3 = Fe2(CO3)3 + 3(NH4)2SO4
CH2NH2COOH + HBr = CH2NH2COOBr + H2 =>
CH2NH2COOH + HBr = CH2NH2COOBr + H2
Fe + Li2O = Fe2O3 + Li =>
2 Fe + 3 Li2O = Fe2O3 + 6 Li
K3PO4 + CH3COOH = CH3COOK + H3PO4 =>
K3PO4 + 3 CH3COOH = 3 CH3COOK + H3PO4
K4[Fe(CN)6] + I2 = K3[Fe(CN)6] + KI =>
2 K4[Fe(CN)6] + I2 = 2 K3[Fe(CN)6] + 2 KI
Al + HCl = H2 + AlCl3 =>
2 Al + 6 HCl = 3 H2 + 2 AlCl3
NaF + AlBr3 = AlF3 + NaBr =>
3 NaF + AlBr3 = AlF3 + 3 NaBr
AgNO3(aq) + Na2S2O3(aq) = Ag2S2O3(s) + NaNO3(aq) =>
2 AgNO3(aq) + Na2S2O3(aq) = Ag2S2O3(s) + 2 NaNO3(aq)
ZnCl2 + Cu = CuCl2 + Zn =>
ZnCl2 + Cu = CuCl2 + Zn
H2S + K2Cr2O7 + H2O = S + Cr(OH)3 + KOH =>
3 H2S + K2Cr2O7 + H2O = 3 S + 2 Cr(OH)3 + 2 KOH
Fe + I2 + H2O = FeO + HI =>
Fe + I2 + H2O = FeO + 2 HI
HCN(aq) + CuSO4(aq) = H2SO4(aq) + Cu(CN)2(aq) =>
2 HCN(aq) + CuSO4(aq) = H2SO4(aq) + Cu(CN)2(aq)
Na2CO3 + HOH = NaOH + H2CO3 =>
Na2CO3 + 2 HOH = 2 NaOH + H2CO3
H2Cl2 = HCl =>
H2Cl2 = 2 HCl
Cu(s) + ZnCl2(aq) = CuCl2(aq) + Zn(s) =>
Cu(s) + ZnCl2(aq) = CuCl2(aq) + Zn(s)
KNO3 = O2 + N2 + K =>
2 KNO3 = 3 O2 + N2 + 2 K
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Pt + HNO3 + HCI = PtCI + NO2 + H2O =>
Pt + HNO3 + HCI = PtCI + NO2 + H2O
NH2Cl + Ca(OH)2 = Ca(OCl)2 + NH3 =>
2 NH2Cl + Ca(OH)2 = Ca(OCl)2 + 2 NH3
HS + MgO = HO + MgS =>
HS + MgO = HO + MgS
SrS + CuCl2 = SrCl2 + CuS =>
SrS + CuCl2 = SrCl2 + CuS
BaCl2(aq) + Na2SO4(aq) = NaCl(s) + BaSO4(aq) =>
BaCl2(aq) + Na2SO4(aq) = 2 NaCl(s) + BaSO4(aq)
CrOH + (NH4)2S = CrS + (NH4)2OH =>
CrOH + (NH4)2S = CrS + (NH4)2OH
Bi(NO3)3 + H2S = Bi2S3 + HNO3 =>
2 Bi(NO3)3 + 3 H2S = Bi2S3 + 6 HNO3
KIO3 + KI + CH3COOH = I2 + CH3COOK + H2O =>
KIO3 + 5 KI + 6 CH3COOH = 3 I2 + 6 CH3COOK + 3 H2O
Cl2 + OH{-} + Br2 = Cl{-} + BrO3{-} + H2O =>
5 Cl2 + 12 OH{-} + Br2 = 10 Cl{-} + 2 BrO3{-} + 6 H2O
KC6H4(CO2)COOH + NaOH = KNaC6H4(CO2)2 + H2O =>
KC6H4(CO2)COOH + NaOH = KNaC6H4(CO2)2 + H2O
Ca(s) + NaCl(aq) = CaCl2(aq) + Na(s) =>
Ca(s) + 2 NaCl(aq) = CaCl2(aq) + 2 Na(s)
Fe2O3 = Fe3O4 + O2 =>
6 Fe2O3 = 4 Fe3O4 + O2
H2Cl2 = HCl =>
H2Cl2 = 2 HCl
Al2(CO3)3 + Li2O = Li2(CO3) + Al2O3 =>
Al2(CO3)3 + 3 Li2O = 3 Li2(CO3) + Al2O3
H3N + NO = N2 + H2O =>
4 H3N + 6 NO = 5 N2 + 6 H2O
Al + HNO3 = Al(NO3)3 + H2O + NO =>
Al + 4 HNO3 = Al(NO3)3 + 2 H2O + NO
HCN + H2O + H2SO4 = CO + NH4HSO4 =>
HCN + H2O + H2SO4 = CO + NH4HSO4
FeCl3 + NH4SCN + NaOH = Fe(OH)3 + NaCSN + NH4Cl =>
FeCl3 + 3 NH4SCN + 3 NaOH = Fe(OH)3 + 3 NaCSN + 3 NH4Cl
(NH4)3P + Pb(NO2)4 = (NH4)(NO2) + Pb3P4 =>
4(NH4)3P + 3 Pb(NO2)4 = 12(NH4)(NO2) + Pb3P4
AlCl3 + Br = AlBr3 + Cl2 =>
2 AlCl3 + 6 Br = 2 AlBr3 + 3 Cl2
RuO4 + OH{-} = HRuO5{-} =>
RuO4 + OH{-} = HRuO5{-}
Cu(NO3)2(aq) + OH(aq) = Cu(OH)2(s) + NO3(aq) =>
Cu(NO3)2(aq) + 2 OH(aq) = Cu(OH)2(s) + 2 NO3(aq)
H2SO4(aq) + Na2CO3(aq) = H2CO3(aq) + Na2SO4(s) =>
H2SO4(aq) + Na2CO3(aq) = H2CO3(aq) + Na2SO4(s)
N2H2(g) = NH3(aq) + N2(g) =>
3 N2H2(g) = 2 NH3(aq) + 2 N2(g)
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
CO2(g) + SrSiO3(s) + H2O(l) = SiO2(s) + Sr(HCO3)2(aq) =>
2 CO2(g) + SrSiO3(s) + H2O(l) = SiO2(s) + Sr(HCO3)2(aq)
Mg + H2SiO3 = Mg2SiO3 + H2 =>
2 Mg + H2SiO3 = Mg2SiO3 + H2
CoCl2 + ClF3 = CoF3 + Cl3 =>
CoCl2 + ClF3 = CoF3 + Cl3
NaOH(ac) + Pb(No3)2(ac) = NaNo3(ac) + Pb(OH)2(s) =>
2 NaOH(ac) + Pb(No3)2(ac) = 2 NaNo3(ac) + Pb(OH)2(s)
Cr(OH)3 + NaClO4 + NaOH = Na2CrO4 + NaCl + H2O =>
8 Cr(OH)3 + 3 NaClO4 + 16 NaOH = 8 Na2CrO4 + 3 NaCl + 20 H2O
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