Question

K2S+Pb(NO3)2= Na2CO3+HCL= NaCL+CaCO3= BaSO4+AgCL=

Answer 1

Ответ:

Объяснение:Na2CO3+HCl эта реакция не идёт так как все вещества растворимы

2NaCl+CaCO3=Na2CO3+CaCl2

BaSO4+2AgCl=BaCl2+Ag2SO4

K2S+Pb(NO3)2=PbS+2KNO3

Все реакции тут идут кроме 1

Answer 2

The chemical equation you've provided appears to be a series of reactions. Let's break it down step by step:

1. K2S + Pb(NO3)2 This reaction forms lead sulfide (PbS) and potassium nitrate (KNO3): 2 K2S + Pb(NO3)2 → 2 PbS + 4 KNO3

2. Na2CO3 + HCl This is a double displacement reaction that forms sodium chloride (NaCl) and carbon dioxide (CO2): Na2CO3 + 2 HCl → 2 NaCl + H2O + CO2

3. NaCl + CaCO3 This is another double displacement reaction that forms calcium chloride (CaCl2) and sodium carbonate (Na2CO3): NaCl + CaCO3 → CaCl2 + Na2CO3

4. BaSO4 + AgCl This reaction forms silver sulfate (Ag2SO4) and barium chloride (BaCl2): BaSO4 + 2 AgCl → 2 Ag2SO4 + BaCl2

So, in the series of reactions you've provided:

K2S + Pb(NO3)2 → PbS + KNO3 Na2CO3 + HCl → NaCl + H2O + CO2 NaCl + CaCO3 → CaCl2 + Na2CO3 BaSO4 + AgCl → Ag2SO4 + BaCl2