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2 KBr + Na2CO3 = 2 BrNa + K2CO3
CO2Ca(OH)2 = CaCO3H2O =>
CO2Ca(OH)2 = CaCO3H2O
Li2SO4 + SrI2 = LiI + SrSO4 =>
Li2SO4 + SrI2 = 2 LiI + SrSO4
SnS + H2O = Sn(OH)2 + H2S =>
SnS + 2 H2O = Sn(OH)2 + H2S
BaCl2 + KI = BaI2 + KCl =>
BaCl2 + 2 KI = BaI2 + 2 KCl
H2O + Fe = Fe2O3 + H2 =>
3 H2O + 2 Fe = Fe2O3 + 3 H2
PbSO4 + NaOH = PbO + Na2SO4 + H2O =>
PbSO4 + 2 NaOH = PbO + Na2SO4 + H2O
Na + (NH2)2CO = NaCN + NH3 + NaOH =>
2 Na + (NH2)2CO = NaCN + NH3 + NaOH
K2SO3 + H2O = K(OH) + H2SO3 =>
K2SO3 + 2 H2O = 2 K(OH) + H2SO3
KCl + S = K2S + Cl =>
2 KCl + S = K2S + 2 Cl
(NH4)2SO4 + NaI = ISO4 + Na(NH4)2 =>
(NH4)2SO4 + NaI = ISO4 + Na(NH4)2
(NH4)2SO4 + NaI = INH4 + Na2SO4 =>
(NH4)2SO4 + 2 NaI = 2 INH4 + Na2SO4
Ca(s) + H2O(l) = Ca(OH)2(s) + H2(g) =>
Ca(s) + 2 H2O(l) = Ca(OH)2(s) + H2(g)
Mn(NO3)2 + H2O = MnOHNO3 + HNO3 =>
Mn(NO3)2 + H2O = MnOHNO3 + HNO3
C2H5Cl + HCl = C2H6 + Cl2 =>
C2H5Cl + HCl = C2H6 + Cl2
(Fe2(CO3)3)(s) + HCl(aq) = FeCl3(aq) + CO2(g) + H2O(l) =>
(Fe2(CO3)3)(s) + 6 HCl(aq) = 2 FeCl3(aq) + 3 CO2(g) + 3 H2O(l)
Ag2SO4 + NH4NO3 = AgNO3 + (NH4)2SO4 =>
Ag2SO4 + 2 NH4NO3 = 2 AgNO3 + (NH4)2SO4
CH3COO + Fe + H2O = Fe(OH)2CH3COO + CH3COOH =>
3 CH3COO + Fe + 2 H2O = Fe(OH)2CH3COO + 2 CH3COOH
CaCO3(s) + HCl = CaCl2 + H2O(l) + CO2 =>
CaCO3(s) + 2 HCl = CaCl2 + H2O(l) + CO2
(NH4)2SO4 + NaI = INH4 + Na2SO4 =>
(NH4)2SO4 + 2 NaI = 2 INH4 + Na2SO4
(PH)COOH + Na2CO3 = (PH)COONa + CO2 + H2O =>
2(PH)COOH + Na2CO3 = 2(PH)COONa + CO2 + H2O
C18H10N2O4 + H2O2 = H2O + C18H10N2O5 =>
C18H10N2O4 + H2O2 = H2O + C18H10N2O5
C + SO2 = CS2 + CO =>
5 C + 2 SO2 = CS2 + 4 CO
(NH4)2SO4 + NaI = INH4 + Na2SO4 =>
(NH4)2SO4 + 2 NaI = 2 INH4 + Na2SO4
SO2 + NaOH = Na2SO3 + H2O =>
SO2 + 2 NaOH = Na2SO3 + H2O
(NH4)2SO4 + NaI = ISO4 + Na(NH4)2 =>
(NH4)2SO4 + NaI = ISO4 + Na(NH4)2
(a)2Mg(s) + O2(g) = MgO(s) =>
(a)2Mg(s) + O2(g) = 2 MgO(s)
Zn(OH)2 + OH = [Zn(OH)4] =>
Zn(OH)2 + 2 OH = [Zn(OH)4]
S + KCl = SCl2 + K =>
S + 2 KCl = SCl2 + 2 K
PbSO4 + NaOH = Na2SO4 + Pb(OH)2 =>
PbSO4 + 2 NaOH = Na2SO4 + Pb(OH)2
CH2CHCH2CH3 + KMnO4 + H2O = MnO2 + CH3CH2CH(OH)CH2(OH) + KOH =>
3 CH2CHCH2CH3 + 2 KMnO4 + 4 H2O = 2 MnO2 + 3 CH3CH2CH(OH)CH2(OH) + 2 KOH
SICl4 + H2O = H4SIO4 + HCl =>
SICl4 + 4 H2O = H4SIO4 + 4 HCl
Al(s) + Fe3O4(s) = Al2O3(s) + Fe(s) =>
8 Al(s) + 3 Fe3O4(s) = 4 Al2O3(s) + 9 Fe(s)
(NH4)2SO4 + NaI = INH4 + Na2SO4 =>
(NH4)2SO4 + 2 NaI = 2 INH4 + Na2SO4
H2SO4 + CaH2O2 = CaSO4 + H2O =>
H2SO4 + CaH2O2 = CaSO4 + 2 H2O
Fe + CoF = FeF2 + Co =>
Fe + 2 CoF = FeF2 + 2 Co
(NH4)2SO4 + NaI = ISO4 + Na(NH4)2 =>
(NH4)2SO4 + NaI = ISO4 + Na(NH4)2
MnO2 + NaBiO3 + HNO3 = HMnO4 + BiONO2 + NaNO3 + H2O =>
4 MnO2 + 3 NaBiO3 + 6 HNO3 = 4 HMnO4 + 3 BiONO2 + 3 NaNO3 + H2O
(NH4)2SO4 + NaI = (NH4)I + Na2SO4 =>
(NH4)2SO4 + 2 NaI = 2(NH4)I + Na2SO4
(NH4)2SO4 + NaI = ISO4 + Na(NH4)2 =>
(NH4)2SO4 + NaI = ISO4 + Na(NH4)2
(CH3)3N + H2O = (CH3)3NH{+} + OH{-} =>
(CH3)3N + H2O = (CH3)3NH{+} + OH{-}
(NH4)2SO4 + NaI = ISO4 + Na(NH4)2 =>
(NH4)2SO4 + NaI = ISO4 + Na(NH4)2
Ba(ClO2)2 + NaCl = BaCl2 + NaClO2 =>
Ba(ClO2)2 + 2 NaCl = BaCl2 + 2 NaClO2
(NH4)2SO4 + NaI = INH4 + Na2SO4 =>
(NH4)2SO4 + 2 NaI = 2 INH4 + Na2SO4
Cd(NO3)2 + Fe2(SO4)3 = CdSO4 + Fe(NO3)3 =>
3 Cd(NO3)2 + Fe2(SO4)3 = 3 CdSO4 + 2 Fe(NO3)3
BaNO3 = Ba + NO3 =>
BaNO3 = Ba + NO3
Zn + HNO3 = ZnN(O3)2 + NO2 + H2O =>
Zn + 8 HNO3 = ZnN(O3)2 + 7 NO2 + 4 H2O
Cr(OH3) + KClO3 + KOH = K2Cr2O7 + KCl + H2O =>
6 Cr(OH3) + 7 KClO3 + 6 KOH = 3 K2Cr2O7 + 7 KCl + 12 H2O
K3[Fe(CN)6] + NaHC4H4O6 = KHC4H4O6 + Na3[Fe(CN)6] =>
K3[Fe(CN)6] + 3 NaHC4H4O6 = 3 KHC4H4O6 + Na3[Fe(CN)6]
Au3N + Ag = Au + AgN = Au + AgN =>
Au3N + Ag = 3 Au + AgN
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