What is the integer value of for the thermal decomposition of solid ammonium carbamate represented b β Chemical Equilibrium Chemistry Question
Question
What is the integer value of $\Delta n_g$ for the thermal decomposition of solid ammonium carbamate represented by the equation: $NH_2COONH_4(s) \rightleftharpoons 2NH_3(g) + CO_2(g)$?
Answer: 3
π‘ Solution & Explanation
$\Delta n_g$ is defined as the sum of stoichiometric coefficients of gaseous products minus the sum of stoichiometric coefficients of gaseous reactants. Here, products are $2\text{ NH}_3(g)$ and $1\text{ CO}_2(g)$, totaling $3$ gaseous moles. The reactant is a solid, so it contributes $0$ gaseous moles. $\Delta n_g = (2 + 1) - 0 = 3$.
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