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2 CO2 + O2 + Ca2 = 2 CaCO3
HCHO + K = H2O + CK =>
HCHO + K = H2O + CK
K3[Cr(OH)6] + H2S = Cr(OH)3 + KHS + H2O =>
K3[Cr(OH)6] + 3 H2S = Cr(OH)3 + 3 KHS + 3 H2O
Pd + AgNO3 = Ag + Pd(NO3)2 =>
Pd + 2 AgNO3 = 2 Ag + Pd(NO3)2
Cu(NO3)2 + Zn(NO3)2 = Zn(NO3)4 + Cu =>
Cu(NO3)2 + Zn(NO3)2 = Zn(NO3)4 + Cu
Cu2S + HNO3 = Cu(NO3)2 + CuSO4 + NO2 + H2O =>
Cu2S + 12 HNO3 = Cu(NO3)2 + CuSO4 + 10 NO2 + 6 H2O
[Co(en)3]SO4 + H2O2 + HCl = [Co(en)3]SO4Cl + H2O =>
2[Co(en)3]SO4 + H2O2 + 2 HCl = 2[Co(en)3]SO4Cl + 2 H2O
KAl(SO4)2*12H2O = K2O + Al2O3 + SO3 + H2O =>
2 KAl(SO4)2*12H2O = K2O + Al2O3 + 4 SO3 + 24 H2O
HCOOCH3H2O = HCOOHCH4O =>
HCOOCH3H2O = HCOOHCH4O
Zn(s) + HC2H3O2(aq) = Zn(C2H3O2)(aq) + H2(g) =>
2 Zn(s) + 2 HC2H3O2(aq) = 2 Zn(C2H3O2)(aq) + H2(g)
RCOONa + H2O = RCOOH + NaOH =>
RCOONa + H2O = RCOOH + NaOH
KI + H2SO3 = K2SO4 + I2 + H2S + H2O =>
6 KI + 5 H2SO3 = 3 K2SO4 + 3 I2 + 2 H2S + 3 H2O
Ca(OH)2 + H2SO4 = CaSO4 + H6O3 =>
3 Ca(OH)2 + 3 H2SO4 = 3 CaSO4 + 2 H6O3
Pb(CH3COO)2 + K2Cr2O7 + H2O = PbCrO4 + CH3COOK + CH3COOH =>
2 Pb(CH3COO)2 + K2Cr2O7 + H2O = 2 PbCrO4 + 2 CH3COOK + 2 CH3COOH
NaOH + Ca(NO3)3 = Na + NO3 + Ca(OH)2 =>
2 NaOH + Ca(NO3)3 = 2 Na + 3 NO3 + Ca(OH)2
C5H8NNaO4 + HCl = C5H9NO4 + NaCl =>
C5H8NNaO4 + HCl = C5H9NO4 + NaCl
K2CrO4 + CuSO4 = K2SO4 + CuCrO4 =>
K2CrO4 + CuSO4 = K2SO4 + CuCrO4
KBr + CHCl3 + Cl2 = KCl + HBr + CCl4 =>
KBr + CHCl3 + Cl2 = KCl + HBr + CCl4
NaHCO3 + NaH = Na + CO2 + H2O =>
NaHCO3 + NaH = 2 Na + CO2 + H2O
NaOH + Ca(NO3)3 = Na + NO3 + Ca(OH)2 =>
2 NaOH + Ca(NO3)3 = 2 Na + 3 NO3 + Ca(OH)2
HCOOH + Na2SIO3 = HCOONa + H2O + SIO2 =>
2 HCOOH + Na2SIO3 = 2 HCOONa + H2O + SIO2
Pb(NO3)2 + K4Fe(CN)6 = Pb4[Fe(CN)6]2 + KNO3 =>
4 Pb(NO3)2 + 2 K4Fe(CN)6 = Pb4[Fe(CN)6]2 + 8 KNO3
C6 + O2 = CO2 =>
C6 + 6 O2 = 6 CO2
HNO3 + P4O10 = HPO3 + N2O5 =>
4 HNO3 + P4O10 = 4 HPO3 + 2 N2O5
As4O10 = As + O2 =>
As4O10 = 4 As + 5 O2
C2H3O2Br + O2 = CO + H2O + HBr =>
2 C2H3O2Br + O2 = 4 CO + 2 H2O + 2 HBr
HClO3N2H2 = H2O + N2O + HClO =>
HClO3N2H2 = H2O + N2O + HClO
TiO2 + CaOH = CaTiO3 + H2 =>
2 TiO2 + 2 CaOH = 2 CaTiO3 + H2
Ca(IO3)2 + KI + HCl = CaCl2 + KClO3 + I2 + H2O =>
7 Ca(IO3)2 + 10 KI + 24 HCl = 7 CaCl2 + 10 KClO3 + 12 I2 + 12 H2O
PbCO3 + H2SO4 = PbSO4 + H2O + CO2 =>
PbCO3 + H2SO4 = PbSO4 + H2O + CO2
CH5N + HCl = CH4Cl + NH2 =>
CH5N + HCl = CH4Cl + NH2
AgNO3 + H2O2 = Ag2O2 + HNO3 =>
2 AgNO3 + H2O2 = Ag2O2 + 2 HNO3
NiO + HCl = NiCl + HO =>
NiO + HCl = NiCl + HO
CH3CHCH2(g) + O2(g) = CO2(g) + H2O(g) =>
2 CH3CHCH2(g) + 9 O2(g) = 6 CO2(g) + 6 H2O(g)
Ag + Cu(NO3)2 = Ag(NO3) + Cu2 =>
4 Ag + 2 Cu(NO3)2 = 4 Ag(NO3) + Cu2
CH3CH2CHOHCH3 = CH3CHOHCH2CH3 =>
CH3CH2CHOHCH3 = CH3CHOHCH2CH3
Li2S(aq) + Sr(ClO3)2(aq) = SrS(s) + LiClO3 =>
Li2S(aq) + Sr(ClO3)2(aq) = SrS(s) + 2 LiClO3
C3H8O2 + K2Cr2O7 + H2SO4 = C3H6O2 + K2SO4 + Cr2(SO4)3 + H2O =>
3 C3H8O2 + K2Cr2O7 + 4 H2SO4 = 3 C3H6O2 + K2SO4 + Cr2(SO4)3 + 7 H2O
(H2N)2CO + H2O = CO2 + NH4OH =>
(H2N)2CO + 3 H2O = CO2 + 2 NH4OH
C81H92O28 + O2 = CO2 + H2O =>
C81H92O28 + 90 O2 = 81 CO2 + 46 H2O
CO2 + O2 + Ca2 = CaCO3 =>
2 CO2 + O2 + Ca2 = 2 CaCO3
SrCl2 + (NH4)2C2O4 = SrC2O4 + NH4Cl =>
SrCl2 + (NH4)2C2O4 = SrC2O4 + 2 NH4Cl
SO2 + Co(OH)2 = CoSO3 + H2O =>
SO2 + Co(OH)2 = CoSO3 + H2O
Na2HPO4 + H2O = H2 + NaOH + PO4 =>
2 Na2HPO4 + 4 H2O = 3 H2 + 4 NaOH + 2 PO4
NaOH + KBr = KOH + NaBr =>
NaOH + KBr = KOH + NaBr
HCl + PdO2 = Cl2 + PdCl2 + H2O =>
4 HCl + PdO2 = Cl2 + PdCl2 + 2 H2O
KBr + BaCl2 = KCl2 + BaBr =>
KBr + BaCl2 = KCl2 + BaBr
AgNO3(aq) + MgBr2(aq) = AgBr(s) + Mg(NO3)2(aq) =>
2 AgNO3(aq) + MgBr2(aq) = 2 AgBr(s) + Mg(NO3)2(aq)
KI + H2SO4 + NaNO2 = I2 + NO + Na2SO4 + H2O + K2SO4 =>
2 KI + 2 H2SO4 + 2 NaNO2 = I2 + 2 NO + Na2SO4 + 2 H2O + K2SO4
SbCl3 + Na2CO3 + H2O = CO2 + NaCl + Na[Sb(OH)4] =>
SbCl3 + 2 Na2CO3 + 2 H2O = 2 CO2 + 3 NaCl + Na[Sb(OH)4]
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