Question

The relationship between $K_p$ and $K_c$ is $K_p=K_c (RT)^{\Delta n}$ What would be the value of $\Delta n$ for the reaction : $NH_4Cl_{(s)} <=> NH3_{(g)} +HCl_{(g)}$ ?

• A. $1$
• B. $0.5$
• C. $1.5$
• D. $2$

Answer 1

Answer: (D)

$2$

Answer 2

$\Delta n$= number of moles of gaseous products -number of moles of gaseous reactants

$=2-0=2$