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10 H2CO + 3 K2Cr2O7 + 11 H2SO4 = 10 HCOOH + 3 Cr2(SO4)3 + 11 H2O + 2 K3SO4
Cr(OH)4{-} + Cl2 + OH{-} = CrO4{-} + Cl{-} + H2O =>
Cr(OH)4{-} + 2 Cl2 + 4 OH{-} = CrO4{-} + 4 Cl{-} + 4 H2O
C2OO = CO =>
C2OO = 2 CO
KClO + Cr(OH)3 + K2CO3 = K2CrO4 + KCl + CO2 + H2O =>
3 KClO + 2 Cr(OH)3 + 2 K2CO3 = 2 K2CrO4 + 3 KCl + 2 CO2 + 3 H2O
H2SO4 + Na2S = H2S + SO4Na2 =>
H2SO4 + Na2S = H2S + SO4Na2
KClO3(s) + C(s) + S(s) = K2S(s) + CO2(g) + Cl2(g) =>
2 KClO3(s) + 3 C(s) + S(s) = K2S(s) + 3 CO2(g) + Cl2(g)
CH3CH(CH3)CH(CH3)COOH + Na = CH3CH(CH3)CH(CH3)COONa + H =>
CH3CH(CH3)CH(CH3)COOH + Na = CH3CH(CH3)CH(CH3)COONa + H
CaCO3SO2 = CaSO3CO2 =>
CaCO3SO2 = CaSO3CO2
H3PO4 + LiOH = Li3PO4 + H2O =>
H3PO4 + 3 LiOH = Li3PO4 + 3 H2O
Fe + KNO3 = K2FeO4 + N2 + O2 =>
Fe + 2 KNO3 = K2FeO4 + N2 + O2
S + NaOH = H2O + NaHS + Na2SO3 =>
3 S + 4 NaOH = H2O + 2 NaHS + Na2SO3
Mg(OH)2 + H2SO3 = Mg(OH)2SO3 + H2 =>
Mg(OH)2 + H2SO3 = Mg(OH)2SO3 + H2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
C3H8O3 + KMnO4 + H2SO4 = CO2 + H2O + MnSO4 + K2SO4 =>
5 C3H8O3 + 14 KMnO4 + 21 H2SO4 = 15 CO2 + 41 H2O + 14 MnSO4 + 7 K2SO4
CaCO3 = Ca + O + C =>
CaCO3 = Ca + 3 O + C
Pb(NO3)2 + NH3 = PbNH3 + NO3 =>
Pb(NO3)2 + NH3 = PbNH3 + 2 NO3
SrO + H{2}O = SrOH{2} =>
SrO + H{2}O = SrOH{2}
H2NNH2 = N2 + H2 =>
H2NNH2 = N2 + 2 H2
NaNO3 + CdSO4 = Na2SO4 + Cd(NO3)2 =>
2 NaNO3 + CdSO4 = Na2SO4 + Cd(NO3)2
(NH4)2SO4(aq) + SrCl2(aq) = (NH4)Cl2 + Sr2SO4 =>
(NH4)2SO4(aq) + 2 SrCl2(aq) = 2(NH4)Cl2 + Sr2SO4
KClO3(MnO2) = KClO3MnO2 =>
KClO3(MnO2) = KClO3MnO2
HCIO3 + CaCO3 = CO2 + H2O + Ca(CIO3)2 =>
2 HCIO3 + CaCO3 = CO2 + H2O + Ca(CIO3)2
H2NNH2 = N2 + H2 =>
H2NNH2 = N2 + 2 H2
La + Sr + Fe + O = La4SrFe5O15 =>
4 La + Sr + 5 Fe + 15 O = La4SrFe5O15
Zn + Cu + H2SO4 = ZnSO4 + CuH2 =>
Zn + Cu + H2SO4 = ZnSO4 + CuH2
Kl + Mg(OH)2 = Kl(OH)2 + Mg =>
Kl + Mg(OH)2 = Kl(OH)2 + Mg
Al + N2 = AlN3 =>
2 Al + 3 N2 = 2 AlN3
CaCO3 + NaOH = Ca(OH)2 + Na2CO3 =>
CaCO3 + 2 NaOH = Ca(OH)2 + Na2CO3
C2H2 + AgNO3 = H2O + CO2 + Ag + N2 =>
6 C2H2 + 10 AgNO3 = 6 H2O + 12 CO2 + 10 Ag + 5 N2
Cl + CrO4 = ClO + CrO2 =>
2 Cl + CrO4 = 2 ClO + CrO2
Co + Pb(NO3)2 = Co(NO3)2 + Pb =>
Co + Pb(NO3)2 = Co(NO3)2 + Pb
BaO + SO3 = BaSO3 + O =>
BaO + SO3 = BaSO3 + O
CO + HOH = H2 + CO2 =>
CO + HOH = H2 + CO2
C6H5NH2 + NaOH = C6H4NaO + NH4 =>
C6H5NH2 + NaOH = C6H4NaO + NH4
BaCrO4 + HCl = BaCl2 + Cl2 + CrCl3 + H2O =>
2 BaCrO4 + 16 HCl = 2 BaCl2 + 3 Cl2 + 2 CrCl3 + 8 H2O
NH3 + CO2 = H2O + OC(NH2)2 =>
2 NH3 + CO2 = H2O + OC(NH2)2
NO + CO2 = NO2 + C =>
2 NO + CO2 = 2 NO2 + C
V + H2SO4 = (VO2)2SO4 + SO2 + H2O =>
2 V + 6 H2SO4 = (VO2)2SO4 + 5 SO2 + 6 H2O
CH3CH3NH2 + HCl = CH3CH3NH3 + Cl =>
CH3CH3NH2 + HCl = CH3CH3NH3 + Cl
CH3{-}CH2OH = CH3{-}COH =>
CH3{-}CH2OH = CH3{-}COH
SeO2 + K2Cr2O7 + HCl = CrCl3 + H2O + H2SeO4 + KCl =>
3 SeO2 + K2Cr2O7 + 8 HCl = 2 CrCl3 + H2O + 3 H2SeO4 + 2 KCl
Na3PO4 + AgNO3 = NaNO3 + Ag3PO4 =>
Na3PO4 + 3 AgNO3 = 3 NaNO3 + Ag3PO4
C3H6O2(i) + O2(g) = CO2(g) + H2O(g) =>
2 C3H6O2(i) + 7 O2(g) = 6 CO2(g) + 6 H2O(g)
Pb(NO3)2 + KI = PbI2 + KNO2 + O2 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO2 + O2
Na(OH) + HCl = NaCl + HOH =>
Na(OH) + HCl = NaCl + HOH
AgNO3 + K2CrO4 = Ag2CrO4 + KNO3 =>
2 AgNO3 + K2CrO4 = Ag2CrO4 + 2 KNO3
BeSO3 + H2O = Be(OH)2 + H2SO3 =>
BeSO3 + 2 H2O = Be(OH)2 + H2SO3
H9 = H1 =>
H9 = 9 H1
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
Ag3PO4 = Ag + PO4 =>
Ag3PO4 = 3 Ag + PO4
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