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2 FeCl3 + 2 KI = 2 FeCl2 + I2 + 2 KCl
KI + H2SO4 = KHSO4 + I2 + S + H2O =>
6 KI + 7 H2SO4 = 6 KHSO4 + 3 I2 + S + 4 H2O
Pb(NO3)2(aq) + Na2S2O3(aq) = PbS2O3(s) + NaNO3(aq) =>
Pb(NO3)2(aq) + Na2S2O3(aq) = PbS2O3(s) + 2 NaNO3(aq)
CO + HO = H2CO3 =>
CO + 2 HO = H2CO3
PB(NO3)2(aq) + KCl(aq) = PBCl2(s) + KNO3(aq) =>
PB(NO3)2(aq) + 2 KCl(aq) = PBCl2(s) + 2 KNO3(aq)
Cl2(g) + NaBr = NaCl + Br2 =>
Cl2(g) + 2 NaBr = 2 NaCl + Br2
HI + Ca(OH)2 = H2O + CaI2 =>
2 HI + Ca(OH)2 = 2 H2O + CaI2
Cd + HNO3 = Cd(NO3)2 + H =>
Cd + 2 HNO3 = Cd(NO3)2 + 2 H
Mg(OH)2(aq) = Mg{2+}(aq) + OH{-}(aq) =>
Mg(OH)2(aq) = Mg{2+}(aq) + 2 OH{-}(aq)
K2CrO4 + H2SO4 = K2SO4 + H2CrO4 =>
K2CrO4 + H2SO4 = K2SO4 + H2CrO4
CO3 = C + O =>
CO3 = C + 3 O
C10H10Fe + O2 = Fe2O3 + CO2 + H2O =>
4 C10H10Fe + 53 O2 = 2 Fe2O3 + 40 CO2 + 20 H2O
CuSO4 + KI + H2SO4 = I2 + CuSO3 + K2SO4 + H2O =>
CuSO4 + 2 KI + H2SO4 = I2 + CuSO3 + K2SO4 + H2O
Zn(aq) + HCl(aq) = ZnCl(aq) + H2(g) =>
2 Zn(aq) + 2 HCl(aq) = 2 ZnCl(aq) + H2(g)
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
LiBr + H2O = LiOH + BrH =>
LiBr + H2O = LiOH + BrH
Al + HCI = AlCI + H =>
Al + HCI = AlCI + H
Fe + KOH + H2O = K3[Fe(OH)6] + H2 =>
2 Fe + 6 KOH + 6 H2O = 2 K3[Fe(OH)6] + 3 H2
Pt + HCl = PtHCl =>
Pt + HCl = PtHCl
C17H21O4N + O2 = CO2 + H2O + NO2 =>
4 C17H21O4N + 85 O2 = 68 CO2 + 42 H2O + 4 NO2
HS + O = H2O + SO =>
2 HS + 3 O = H2O + 2 SO
Cr + PbCl2 = CrCl2 + Pb =>
Cr + PbCl2 = CrCl2 + Pb
Zn(OH)2 + K2CO3 = KOH + ZnCO3 =>
Zn(OH)2 + K2CO3 = 2 KOH + ZnCO3
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
NaCl + BaCl2 = Na2Ba + Cl =>
2 NaCl + BaCl2 = Na2Ba + 4 Cl
SCl2 = S + Cl2 =>
SCl2 = S + Cl2
Ca3(PO4)2 + HCl = CaCl2 + H3PO4 =>
Ca3(PO4)2 + 6 HCl = 3 CaCl2 + 2 H3PO4
(Cu(NH3)4(H2O)2){+2} + H2SO4 = CuSO4 + (NH4)2SO4 + H3O{+} =>
(Cu(NH3)4(H2O)2){+2} + 3 H2SO4 = CuSO4 + 2(NH4)2SO4 + 2 H3O{+}
Hg(NO3)2 + NaOH = HgO + H2O + NaNO3 =>
Hg(NO3)2 + 2 NaOH = HgO + H2O + 2 NaNO3
K3[Fe(CN)6] + Na3[Co(NO2)6] = Na3Fe(NO2)6 + K3Co(CN)6 =>
K3[Fe(CN)6] + Na3[Co(NO2)6] = Na3Fe(NO2)6 + K3Co(CN)6
Cl + Sb = SbCl3 =>
3 Cl + Sb = SbCl3
Fe + CaCO3 = FeCO3 + Ca =>
Fe + CaCO3 = FeCO3 + Ca
HOOCCOOH + NaOH = HOOCCOONa + H2O =>
HOOCCOOH + NaOH = HOOCCOONa + H2O
FeCl3 + KNCS = KFe(NCS)4 + KCl =>
FeCl3 + 4 KNCS = KFe(NCS)4 + 3 KCl
(NH4)Br + Ca(OH)2 = NH3 + CaBr2 + H2O =>
2(NH4)Br + Ca(OH)2 = 2 NH3 + CaBr2 + 2 H2O
CaCO3 + AgCl = CaCl2 + Ag2CO3 =>
CaCO3 + 2 AgCl = CaCl2 + Ag2CO3
Na + HO = NaOH =>
Na + HO = NaOH
P4(g) + Cl2(g) = PCl3(l) =>
P4(g) + 6 Cl2(g) = 4 PCl3(l)
C5H10 = C + H2 =>
C5H10 = 5 C + 5 H2
Ni2O3 + C = NiO + CO =>
Ni2O3 + C = 2 NiO + CO
HBr(aq) + Ba(OH)2(aq) = BaBr2 + H2O =>
2 HBr(aq) + Ba(OH)2(aq) = BaBr2 + 2 H2O
Pb(aq) + K2CrO4(aq) = PbCrO4 + K =>
Pb(aq) + K2CrO4(aq) = PbCrO4 + 2 K
C3H7NO2 + O2 = CO2 + H2O + NO2 =>
4 C3H7NO2 + 19 O2 = 12 CO2 + 14 H2O + 4 NO2
N2O + O2 = N2O4 =>
2 N2O + 3 O2 = 2 N2O4
MgO + CH3COOH = Mg(CH3COO)2 + H2O =>
MgO + 2 CH3COOH = Mg(CH3COO)2 + H2O
Li2S + H2O = LiOH + S + H2 =>
Li2S + 2 H2O = 2 LiOH + S + H2
P4(g) + Cl2(g) = PCl2(g) =>
P4(g) + 4 Cl2(g) = 4 PCl2(g)
CH3CH2NH2 + HI = CH3CH2NH3I =>
CH3CH2NH2 + HI = CH3CH2NH3I
Al(OH)3 + KOH = K3AlO3 + H2O =>
Al(OH)3 + 3 KOH = K3AlO3 + 3 H2O
Ba + HCl = BaCl2 + H2 =>
Ba + 2 HCl = BaCl2 + H2
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