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2 HNO3 + Co(HCO3)2 = 2 CO2 + 2 H2O + Co(NO3)2
Ca + HCl = CaCl2 + H2 = ? =>
Ca + 2 HCl = CaCl2 + H2
Cu(OH)2 + KOH = K2(Cu(OH)4) =>
Cu(OH)2 + 2 KOH = K2(Cu(OH)4)
KHCO3 + Ca(NO3)2 = KNO3 + Ca(CO3)2 + H =>
2 KHCO3 + Ca(NO3)2 = 2 KNO3 + Ca(CO3)2 + 2 H
BaCl2 + MgSO4 = BaSO4 + MgCl2 =>
BaCl2 + MgSO4 = BaSO4 + MgCl2
KNO3 + NaOH + Al + H2O = NH3 + Na3[Al(OH)6] + K3[Al(OH)6] =>
3 KNO3 + 21 NaOH + 8 Al + 18 H2O = 3 NH3 + 7 Na3[Al(OH)6] + K3[Al(OH)6]
Cu + HNO3 = Cu(NO3)0 + NO + H2O =>
3 Cu + 4 HNO3 = 3 Cu(NO3)0 + NO + 2 H2O
Al2(SO4)3 + Na3(BO3) = Al3(BO3)3 + Na2(SO4) =>
3 Al2(SO4)3 + 6 Na3(BO3) = 2 Al3(BO3)3 + 9 Na2(SO4)
HCO3{-} + H3C6H5O7 = CO2 + H2O + C6H5O7{3-} =>
3 HCO3{-} + H3C6H5O7 = 3 CO2 + 3 H2O + C6H5O7{3-}
CaBr2 + H2S = CaS + HBr =>
CaBr2 + H2S = CaS + 2 HBr
Mo + Br2 = MoBr4 =>
Mo + 2 Br2 = MoBr4
K2Cr2O7 + MgI2 + H2SO4 = Cr2(SO4)3 + I2 + MgSO4 + K2SO4 + H2O =>
K2Cr2O7 + 3 MgI2 + 7 H2SO4 = Cr2(SO4)3 + 3 I2 + 3 MgSO4 + K2SO4 + 7 H2O
Na2SO4 + H2O = Na2SO3 + H2O2 =>
Na2SO4 + H2O = Na2SO3 + H2O2
Cr2O7{-} + CH3CH2OH + H{+} = Cr{3+} + CH3CHO + H2O =>
2 Cr2O7{-} + 7 CH3CH2OH + 14 H{+} = 4 Cr{3+} + 7 CH3CHO + 14 H2O
NaOCH3(aq) + H2O(l) = CH3OH(aq) + NaOH(aq) =>
NaOCH3(aq) + H2O(l) = CH3OH(aq) + NaOH(aq)
Bi + O2 + H2O = Bi(OH)4 =>
Bi + O2 + 2 H2O = Bi(OH)4
Fe + Cu2(NO3)2 = Fe(NO3)2 + Cu =>
Fe + Cu2(NO3)2 = Fe(NO3)2 + 2 Cu
Cu2 + SO2 = CuS + O2 =>
Cu2 + 2 SO2 = 2 CuS + 2 O2
BeFl2 + Mg = MgFl2 + Be =>
BeFl2 + Mg = MgFl2 + Be
CH3OH + KMnO4 + H2SO4 = HCHO + MnSO4 + K2SO4 + H2O =>
5 CH3OH + 2 KMnO4 + 3 H2SO4 = 5 HCHO + 2 MnSO4 + K2SO4 + 8 H2O
Mn + Br2 = Mn2Br3 =>
4 Mn + 3 Br2 = 2 Mn2Br3
C3H6 + Br2 + H2O = CH3CH(OH)CH2Br + HBr =>
C3H6 + Br2 + H2O = CH3CH(OH)CH2Br + HBr
PB(OH)2 + H2SO4 = (PBOH)2SO4 + H2O =>
2 PB(OH)2 + H2SO4 = (PBOH)2SO4 + 2 H2O
Hg + Br2 = Hg2Br2 =>
2 Hg + Br2 = Hg2Br2
K2Cr2O7 + HCl = KCl + CrCl + H2 + O2 =>
2 K2Cr2O7 + 8 HCl = 4 KCl + 4 CrCl + 4 H2 + 7 O2
IO + H2O = I2 + OH =>
2 IO + 2 H2O = I2 + 4 OH
CH3COOH + CH3CH2CH2OH = CH3CH2CH2OOCCH2CH3 + H2O =>
3 CH3COOH + 4 CH3CH2CH2OH = 3 CH3CH2CH2OOCCH2CH3 + 4 H2O
Fe2O3 + H2 = Fe + OH2 =>
Fe2O3 + 3 H2 = 2 Fe + 3 OH2
N2 + H99 = NH =>
99 N2 + 2 H99 = 198 NH
Ba(OH)2 + (NH4)2CO3 = BaCO3 + NH4OH =>
Ba(OH)2 + (NH4)2CO3 = BaCO3 + 2 NH4OH
CH2 + Cl2 = ClCH2CH2Cl =>
2 CH2 + Cl2 = ClCH2CH2Cl
FeS + O2 = Fe2O3 + SO1 =>
4 FeS + 5 O2 = 2 Fe2O3 + 4 SO1
NaHSO4 + H2O = NaOH + H2SO4 =>
NaHSO4 + H2O = NaOH + H2SO4
ClO({-}) = Cl({-}) + ClO3({-}) =>
3 ClO({-}) = 2 Cl({-}) + ClO3({-})
At + H2 = AtH2 =>
At + H2 = AtH2
ND4NO2 + NaOH = ND4OH + NaNO2 =>
ND4NO2 + NaOH = ND4OH + NaNO2
MgS + HNO3 = Mg(NO3)2 + H2SO4 + HNO2 =>
MgS + 6 HNO3 = Mg(NO3)2 + H2SO4 + 4 HNO2
Fe + IO3 = Fe(IO3)2 =>
Fe + 2 IO3 = Fe(IO3)2
Co(OH)2 + HCHO2 = Co(CHO2)2 + H2O =>
Co(OH)2 + 2 HCHO2 = Co(CHO2)2 + 2 H2O
NaBr + HClO = BrHClO + Na =>
NaBr + HClO = BrHClO + Na
HgO + O2 = HgO3 =>
HgO + O2 = HgO3
C7H6O3 = C6H6O + CO2 =>
C7H6O3 = C6H6O + CO2
(NH4)2CO3 + Zn(NO3)2 = ZnCO3 + (NH4)NO3 =>
(NH4)2CO3 + Zn(NO3)2 = ZnCO3 + 2(NH4)NO3
ZnCl2 + H2C2O4 = ZnC2O4 + HCl =>
ZnCl2 + H2C2O4 = ZnC2O4 + 2 HCl
H + S = H2S =>
2 H + S = H2S
NaClO + FeO = NaCl + Fe2O3 =>
NaClO + 2 FeO = NaCl + Fe2O3
CH2 + H2O = CH3OH =>
CH2 + H2O = CH3OH
KF(s) = K + F =>
KF(s) = K + F
Br2 + I = Br2I =>
Br2 + I = Br2I
BiOH(NO3)2 + NaOH = Bi(OH)3 + NaNO3 =>
BiOH(NO3)2 + 2 NaOH = Bi(OH)3 + 2 NaNO3
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