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K2Cr2O7 + 14(COOH)2*2H2O + 5 H2SO4 = K2SO4 + Cr2(SO)4 + 28 CO2 + 47 H2O
K2ZrO3 + HNO3 = H2ZrO3 + KNO3 =>
K2ZrO3 + 2 HNO3 = H2ZrO3 + 2 KNO3
Na2O2 + NaI + H2SO4 = I2 + Na2SO4 + H2O =>
Na2O2 + 2 NaI + 2 H2SO4 = I2 + 2 Na2SO4 + 2 H2O
PCl3(g) = P(s) + Cl2(g) =>
2 PCl3(g) = 2 P(s) + 3 Cl2(g)
NH2OH + KMnO4 = N2O + KOH + H2O + Mn(OH)2 =>
10 NH2OH + 4 KMnO4 = 5 N2O + 4 KOH + 9 H2O + 4 Mn(OH)2
NH4NO3 + Al2O3 = Al(NO3)3 + NH3 + H2O =>
6 NH4NO3 + Al2O3 = 2 Al(NO3)3 + 6 NH3 + 3 H2O
SiO2 + HF = SiHF + O2 =>
SiO2 + HF = SiHF + O2
BrNa + Cl2 = NaCl + Br2 =>
2 BrNa + Cl2 = 2 NaCl + Br2
MgSO4 + Ca(OH)2 + H2O = Mg(OH)2 + CaSO4*2H2O =>
MgSO4 + Ca(OH)2 + 2 H2O = Mg(OH)2 + CaSO4*2H2O
CrCl3 + K2S2O8 + KOH = K2CrO4 + Cl2 + K2SO4 + H2O =>
2 CrCl3 + 6 K2S2O8 + 16 KOH = 2 K2CrO4 + 3 Cl2 + 12 K2SO4 + 8 H2O
V + Br = VBr5 =>
V + 5 Br = VBr5
Pb(CH3COO)2 + Cu = Cu(CH3COO)2 + Pb =>
Pb(CH3COO)2 + Cu = Cu(CH3COO)2 + Pb
NaN*3 = Na + N*2 =>
NaN*3 = Na + N*2
CuO + H3O{+} = Cu{+2} + H2O =>
CuO + 2 H3O{+} = Cu{+2} + 3 H2O
NaCl(aq) + H2SO4(aq) + MnO2(aq) = Na2SO4(aq) + MnCl2(g) + H2O(l) + Cl2(g) =>
4 NaCl(aq) + 2 H2SO4(aq) + MnO2(aq) = 2 Na2SO4(aq) + MnCl2(g) + 2 H2O(l) + Cl2(g)
Al + Ba(OH)2 + H2O = Ba3[Al(OH)6]2 + H2 =>
2 Al + 3 Ba(OH)2 + 6 H2O = Ba3[Al(OH)6]2 + 3 H2
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
C2H4Br2 + Na = C2H4 + NaBr =>
C2H4Br2 + 2 Na = C2H4 + 2 NaBr
Pb3(PO4)2 + H3O = Pb + H3PO4 + H2O =>
Pb3(PO4)2 + 6 H3O = 3 Pb + 2 H3PO4 + 6 H2O
K2S2O5 + H2SO4 = SO2 + K2SO4 + H2O =>
K2S2O5 + H2SO4 = 2 SO2 + K2SO4 + H2O
BiCl5(aq) + Na2S(aq) = Bi2S5(s) + NaCl(aq) =>
2 BiCl5(aq) + 5 Na2S(aq) = Bi2S5(s) + 10 NaCl(aq)
Na2SO3 + H2SO4 = Na2SO4 + H2O + SO2 =>
Na2SO3 + H2SO4 = Na2SO4 + H2O + SO2
NaOH0 + H2SO4 = Na2SO4 + H2O =>
2 NaOH0 + H2SO4 = Na2SO4 + 2 H2O
Ag + NO3{-} + H{+} = Ag{+} + NO + H2O =>
3 Ag + NO3{-} + 4 H{+} = 3 Ag{+} + NO + 2 H2O
Hg + HNO3 = Hg(NO3)2 + NO2 + H2O =>
Hg + 4 HNO3 = Hg(NO3)2 + 2 NO2 + 2 H2O
FeCl2 + HBr = FeBr2 + HCl =>
FeCl2 + 2 HBr = FeBr2 + 2 HCl
Cr2O3 + Na2CO3 + KNO3 = Na2CrO4 + CO2 + KNO2 =>
Cr2O3 + 2 Na2CO3 + 3 KNO3 = 2 Na2CrO4 + 2 CO2 + 3 KNO2
PbO2 + NaOH + H2O = Na2[Pb(OH)6] =>
PbO2 + 2 NaOH + 2 H2O = Na2[Pb(OH)6]
CH3CH2CH2CH2CN + KOH + H2O = CH3CH2CH2CH2COOK + NH3 =>
CH3CH2CH2CH2CN + KOH + H2O = CH3CH2CH2CH2COOK + NH3
NH4 + ClO4 = NH4ClO4 =>
NH4 + ClO4 = NH4ClO4
KNO3 = K2O + N2 + O2 =>
4 KNO3 = 2 K2O + 2 N2 + 5 O2
C2H5OH + Na = C2H5ONa + H2 =>
2 C2H5OH + 2 Na = 2 C2H5ONa + H2
CH3{-}CH3 + HCl = CH2Cl{-}CH3 + H2 =>
CH3{-}CH3 + HCl = CH2Cl{-}CH3 + H2
CH3Br + NaCN = CH3CN + NaBr =>
CH3Br + NaCN = CH3CN + NaBr
MnCl2 + Al = AlCl3 + Mn =>
3 MnCl2 + 2 Al = 2 AlCl3 + 3 Mn
Al2(SO4)3 + BaCl2 = BaSO4 + Al2(Cl2)3 =>
Al2(SO4)3 + 3 BaCl2 = 3 BaSO4 + Al2(Cl2)3
K + L2 = KL =>
2 K + L2 = 2 KL
Al(OH)3 + K = K[Al(OH)3] =>
Al(OH)3 + K = K[Al(OH)3]
Mg + ClO3 = MgCl2 + O2 =>
Mg + 2 ClO3 = MgCl2 + 3 O2
C6H5ONa + HCl = C6H5OH + NaCl =>
C6H5ONa + HCl = C6H5OH + NaCl
MgSO4NaOH = NaSO4MgOH =>
MgSO4NaOH = NaSO4MgOH
KH2F2 = KF + H2 + F =>
KH2F2 = KF + H2 + F
Si(OC2H5)4 + NH4OH = SiO2 + C2H5OH + NH4 + O2 =>
Si(OC2H5)4 + 4 NH4OH = SiO2 + 4 C2H5OH + 4 NH4 + O2
(b)Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3(b)Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
K2Cr2O7 + H2C2O4 + H2SO4 = K2SO4 + Cr2(SO4)3 + CO2 + H2O =>
K2Cr2O7 + 3 H2C2O4 + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + 6 CO2 + 7 H2O
CO + H2O + HCl = C2H4Cl2 + O2 =>
4 CO + 2 H2O + 4 HCl = 2 C2H4Cl2 + 3 O2
Nb2(SO4)3 + Ba(NO3)2 = Nb(NO3)3 + BaSO4 =>
Nb2(SO4)3 + 3 Ba(NO3)2 = 2 Nb(NO3)3 + 3 BaSO4
Cu(NO3)2(aq) + Li2S(aq) = CuS + Li2(NO3)2 =>
Cu(NO3)2(aq) + Li2S(aq) = CuS + Li2(NO3)2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
HgS + O2 = Hg0 + SO2 =>
HgS + O2 = Hg0 + SO2
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