Question

What is the \(\log K\) of the following reaction, \(2\mathrm{NH_3(g)} + \mathrm{CO_2(g)} \rightleftharpoons \mathrm{NH_2CONH_2(aq)} + \mathrm{H_2O(l)}\) at \(298\,\text{K}\), if \(\Delta_r G^\circ = -11.4\,\text{kJ mol}^{-1}\) and \(2.303RT = 5.7\,\text{kJ mol}^{-1}\)?

• A. 2.5
• B. 1.5
• C. 4
• D. 3
• E. 2

Hint:

If \(2.303RT\) is given in kJ/mol, ensure \(\Delta G^\circ\) is also in kJ/mol for direct substitution.

Answer 1

Answer: (E)