Questions: 2 H2(g)+S2(g) rightleftharpoons 2 H2 S(g) quad K=1.08 times 10^7
The current concentrations for the system are given below. What is the reaction quotient, Q, for the system?
[H2] =0.500 M
[S2] =0.500 M
[H2 S] =9.00 M
Q =[?]
Transcript text: \[
2 \mathrm{H}_{2}(\mathrm{~g})+\mathrm{S}_{2}(\mathrm{~g}) \rightleftharpoons 2 \mathrm{H}_{2} \mathrm{~S}(\mathrm{~g}) \quad \mathrm{K}=1.08 \times 10^{7}
\]
The current concentrations for the system are given below. What is the reaction quotient, Q , for the system?
\[
\begin{aligned}
{\left[\mathrm{H}_{2}\right] } & =0.500 \mathrm{M} \\
{\left[\mathrm{~S}_{2}\right] } & =0.500 \mathrm{M} \\
{\left[\mathrm{H}_{2} \mathrm{~S}\right] } & =9.00 \mathrm{M} \\
\mathrm{Q} & =[?]
\end{aligned}
\]
Solution
Solution Steps
Step 1: Write the Expression for the Reaction Quotient \( Q \)
The reaction quotient \( Q \) is calculated using the concentrations of the products and reactants at a given moment. For the reaction: