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6 KI + 3 H2SO4 + Na2SO3 = 3 I2 + Na2S + 3 K2SO4 + 3 H2O
Fe2O3 + C = CO + Fe =>
Fe2O3 + 3 C = 3 CO + 2 Fe
KMnO4 + HNO2 + HNO3 = KNO3Mn(NO3)2 + H2O =>
2 KMnO4 + 5 HNO2 + HNO3 = 2 KNO3Mn(NO3)2 + 3 H2O
C4H10O2 + KMnO4 + H2SO4 = C4H6O4 + K2SO4 + MnSO4 + H2O =>
5 C4H10O2 + 8 KMnO4 + 12 H2SO4 = 5 C4H6O4 + 4 K2SO4 + 8 MnSO4 + 22 H2O
Al2O3 + HCl = AlCl3 + H2O =>
Al2O3 + 6 HCl = 2 AlCl3 + 3 H2O
Cr2O3(s) + H2S = Cr2S3(s) + H2O(g) =>
Cr2O3(s) + 3 H2S = Cr2S3(s) + 3 H2O(g)
SIO2 + C = SI + CO =>
SIO2 + 2 C = SI + 2 CO
Li2Co3 + PbBr2 = CoBr3 + LiBr + Pb =>
2 Li2Co3 + 11 PbBr2 = 6 CoBr3 + 4 LiBr + 11 Pb
P + Cl2 = PCl5 =>
2 P + 5 Cl2 = 2 PCl5
Au + HNO3 + HCl = AuCl4 + NO + H2O =>
3 Au + 4 HNO3 + 12 HCl = 3 AuCl4 + 4 NO + 8 H2O
PH3 + KClO3 = P + KCl + H2O =>
2 PH3 + KClO3 = 2 P + KCl + 3 H2O
Al + FeO = Al2O3 + Fe =>
2 Al + 3 FeO = Al2O3 + 3 Fe
Cr2O7{-2} + Zn + H{+} = Cr3{+} + Zn2{+} + H2O =>
3 Cr2O7{-2} + 68 Zn + 42 H{+} = 2 Cr3{+} + 34 Zn2{+} + 21 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Na2Cl2 = Na + Cl2 =>
Na2Cl2 = 2 Na + Cl2
Al + Zn(OH)2 = Zn + Al(OH)3 =>
2 Al + 3 Zn(OH)2 = 3 Zn + 2 Al(OH)3
HNO3 + CaSO3 = HSO3 + CaNO3 =>
HNO3 + CaSO3 = HSO3 + CaNO3
NiSO4 + KOH + Br2 = NiOOH + KBr + K2SO4 + H2O =>
2 NiSO4 + 6 KOH + Br2 = 2 NiOOH + 2 KBr + 2 K2SO4 + 2 H2O
Fe3O4 + H2 = Fe + H2O =>
Fe3O4 + 4 H2 = 3 Fe + 4 H2O
KOHCu = CuOHK =>
KOHCu = CuOHK
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
H2CO + H2O = COOH + H2 =>
2 H2CO + 2 H2O = 2 COOH + 3 H2
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
C10H16 + NOCl = C10H16ClNO =>
C10H16 + NOCl = C10H16ClNO
MgF2 + Li2CO3 = MgCO3 + LiF =>
MgF2 + Li2CO3 = MgCO3 + 2 LiF
C2H2 + O2 = CO2 + H2O = deltaH = {-}1299,6kj =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
C7H6O + NaOH = NaC6H5CO2 + C7H8O =>
2 C7H6O + NaOH = NaC6H5CO2 + C7H8O
Na + O2 = Na2O2 =>
2 Na + O2 = Na2O2
Sn + HNO3 = SnO2 + NO2 + H2O =>
Sn + 4 HNO3 = SnO2 + 4 NO2 + 2 H2O
Cl2(g) + CaBr(aq) = CaCl2(aq) + Br2(g) =>
2 Cl2(g) + 2 CaBr(aq) = 2 CaCl2(aq) + Br2(g)
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Al + H2SO4(dilute) = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4(dilute) = Al2(SO4)3 + 3 H2
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
NH4Br + HNO3 = NH4NO3 + HBr =>
NH4Br + HNO3 = NH4NO3 + HBr
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
Zn(OH)2 + CO2 = Zn2(OH)2CO3 + H2O =>
2 Zn(OH)2 + CO2 = Zn2(OH)2CO3 + H2O
(NH4)2CO3(aq) + KOH(aq) = K2CO3 + H2O + NH3 =>
(NH4)2CO3(aq) + 2 KOH(aq) = K2CO3 + 2 H2O + 2 NH3
Hg2{+} + Ag = Hg + Ag1{+} =>
Hg2{+} + Ag = 2 Hg + Ag1{+}
Na2CO3 + BaCI2 = Na2Ba + CO3CI2 =>
Na2CO3 + BaCI2 = Na2Ba + CO3CI2
Y(NO3)3 + NH4VO3 = YVO4 + NO2 + H2O + NH3 =>
7 Y(NO3)3 + 7 NH4VO3 = 7 YVO4 + 24 NO2 + 8 H2O + 4 NH3
NaO3 + KCO3 = KO2 + Na2(CO3)3 =>
2 NaO3 + 3 KCO3 = 3 KO2 + Na2(CO3)3
C10H23O2PS2 + NaOH = C10H22NaO2PS2 + H2O =>
C10H23O2PS2 + NaOH = C10H22NaO2PS2 + H2O
Fe + CO2 = Fe2O3 + CO =>
2 Fe + 3 CO2 = Fe2O3 + 3 CO
Ba + NHO3 = H2 + Ba(NO3)2 =>
Ba + 2 NHO3 = H2 + Ba(NO3)2
Mg(NO3)2 + KOH = Mg(OH)2 + KNO3 =>
Mg(NO3)2 + 2 KOH = Mg(OH)2 + 2 KNO3
Fe{3+} + NO = [Fe(NO)]{3+} =>
Fe{3+} + NO = [Fe(NO)]{3+}
CoBr2 + K2CO3 = CoCO3 + KBr =>
CoBr2 + K2CO3 = CoCO3 + 2 KBr
CaCO3(s) + HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq) =>
CaCO3(s) + 2 HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq)
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