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FeS2 + 2 HBr = FeBr2 + 2 HS
C2H4 + [Cu(NH3)2]Cl = C2H2Cu2 + NH3 + HCl =>
C2H4 + 2[Cu(NH3)2]Cl = C2H2Cu2 + 4 NH3 + 2 HCl
Cr2O3 + NaOH + NaCl = Na3CrO3 + HCl =>
Cr2O3 + 3 NaOH + 3 NaCl = 2 Na3CrO3 + 3 HCl
Al + TiCl2 = Ti + AlCl3 =>
2 Al + 3 TiCl2 = 3 Ti + 2 AlCl3
KMnO4 + H2O + KI = KIO3 + KOH + MnO2 =>
2 KMnO4 + H2O + KI = KIO3 + 2 KOH + 2 MnO2
KClO3 + MnO2 + NaOH = KCl + Na2MnO4 + H2O =>
KClO3 + 3 MnO2 + 6 NaOH = KCl + 3 Na2MnO4 + 3 H2O
NaOH + C20H14O4 = Na + H2CO3 + H2O =>
86 NaOH + C20H14O4 = 86 Na + 20 H2CO3 + 30 H2O
BaCO3 + C + H(OH) = CO + Ba(OH)2 =>
BaCO3 + C + H(OH) = 2 CO + Ba(OH)2
Cl{-} + MnO2 + H{+} = Cl2 + Mn2{+} + H2O =>
14 Cl{-} + 4 MnO2 + 16 H{+} = 7 Cl2 + 2 Mn2{+} + 8 H2O
Al + ZnO = Zn + Al2O3 =>
2 Al + 3 ZnO = 3 Zn + Al2O3
NaOH + MgBr2 = NaBr + Mg(OH)2 =>
2 NaOH + MgBr2 = 2 NaBr + Mg(OH)2
NaOH + I2 + Cl2 = NaCl + NaIO4 + H2O =>
16 NaOH + I2 + 7 Cl2 = 14 NaCl + 2 NaIO4 + 8 H2O
MgO + HNO3 = Mg(NO3)2 + H2O =>
MgO + 2 HNO3 = Mg(NO3)2 + H2O
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
NaOH + MgBr2 = NaBr + Mg(OH)2 =>
2 NaOH + MgBr2 = 2 NaBr + Mg(OH)2
Cd(NO3)2 + Na2S = Cd + S + NaNO3 =>
Cd(NO3)2 + Na2S = Cd + S + 2 NaNO3
NaOH + MgBr2 = NaBr + Mg(OH)2 =>
2 NaOH + MgBr2 = 2 NaBr + Mg(OH)2
C + Ca3(PO4)2 = Ca3P2 + CO =>
8 C + Ca3(PO4)2 = Ca3P2 + 8 CO
Cu(s) + HNO3(ac) = Cu(NO3)2(ac) + H(g) =>
Cu(s) + 2 HNO3(ac) = Cu(NO3)2(ac) + 2 H(g)
Mg(OH)2 + Br2 = MgBr2 + H2O + O2 =>
2 Mg(OH)2 + 2 Br2 = 2 MgBr2 + 2 H2O + O2
P + KCIO3 = P4O10 + KCI =>
12 P + 10 KCIO3 = 3 P4O10 + 10 KCI
O2(g) + N(g) = NO(g) =>
O2(g) + 2 N(g) = 2 NO(g)
C2H6 + O = CH3COOH + H2O =>
C2H6 + 3 O = CH3COOH + H2O
(CH2Cu2O5)(s) = CuO(s) + CO2(g) + H2O =>
(CH2Cu2O5)(s) = 2 CuO(s) + CO2(g) + H2O
C6H12O + HCrO4 = C6H10O + H2O + HCrO2 =>
2 C6H12O + HCrO4 = 2 C6H10O + 2 H2O + HCrO2
Aluminiumchloride + sodiumhydroxide = aluminiumhydroxide + sodiumchloride =>
AlCl3 + 3 NaOH = Al(OH)3 + 3 NaCl
CuO(s) + Al(s) = Cu(s) + Al2O =>
CuO(s) + 2 Al(s) = Cu(s) + Al2O
ClO{-}3 + C6H12O6 = Cl{-} + CO2 + H2O =>
12 ClO{-}3 + C6H12O6 = 12 Cl{-} + 6 CO2 + 6 H2O
Au(ii) + PbBr2 = PbAu(ii) + Br2 =>
Au(ii) + PbBr2 = PbAu(ii) + Br2
CH3CH2OH + O2 = H2O + C2H5O2 =>
4 CH3CH2OH + 3 O2 = 2 H2O + 4 C2H5O2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
K(s) + S(s) = K2S(s) =>
2 K(s) + S(s) = K2S(s)
AgC2H3O2 + K2CrO4 = Ag2CrO4(s) + KC2H3O2 =>
2 AgC2H3O2 + K2CrO4 = Ag2CrO4(s) + 2 KC2H3O2
NiCl2 + Na2CO3 + H2O = (NiOH)2CO3 + CO2 + NaCl =>
2 NiCl2 + 2 Na2CO3 + H2O = (NiOH)2CO3 + CO2 + 4 NaCl
FeCr + H2SO4 = FeSO4 + Cr2(SO4)3 + H2 =>
2 FeCr + 5 H2SO4 = 2 FeSO4 + Cr2(SO4)3 + 5 H2
CO + NO = N2 + CO3 =>
CO + 2 NO = N2 + CO3
H3C6H5O7 + Ni(OH)5 = H2O + Ni3(C6H5O7)5 =>
5 H3C6H5O7 + 3 Ni(OH)5 = 15 H2O + Ni3(C6H5O7)5
HI(aq) + NaHCO3(s) = HCHO3 + NaI =>
HI(aq) + NaHCO3(s) = HCHO3 + NaI
I2 + K2SO4 = KI + K2S2O8 =>
I2 + 2 K2SO4 = 2 KI + K2S2O8
KNO3 + Al + H2O + KOH = KAl(OH)4 + NH3 =>
3 KNO3 + 8 Al + 18 H2O + 5 KOH = 8 KAl(OH)4 + 3 NH3
NH4Cl + HgC2H3O2 = HgCl + NH4C2H3O2 =>
NH4Cl + HgC2H3O2 = HgCl + NH4C2H3O2
NaOH + MgBr2 = NaBr + Mg(OH)2 =>
2 NaOH + MgBr2 = 2 NaBr + Mg(OH)2
CH3OH(aq) = CO + H =>
CH3OH(aq) = CO + 4 H
Pb(OH) + NaBr = PbBr + NaOH =>
Pb(OH) + NaBr = PbBr + NaOH
(H2O2) + Br2 = H2O + (BrO2) =>
4(H2O2) + Br2 = 4 H2O + 2(BrO2)
Ca + HCI = CaCI + H2 =>
2 Ca + 2 HCI = 2 CaCI + H2
Na2SO4 + SnCl4 = NaCl + Sn(SO4)2 =>
2 Na2SO4 + SnCl4 = 4 NaCl + Sn(SO4)2
C25H52O3 + O2 = CO2 + H2O =>
2 C25H52O3 + 73 O2 = 50 CO2 + 52 H2O
W2Ti2N3O2 = WN2 + TiN + TiO2 + W =>
W2Ti2N3O2 = WN2 + TiN + TiO2 + W
LiCl + BaSO4 = LiSO4 + ClBa =>
LiCl + BaSO4 = LiSO4 + ClBa
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