An ideal gas, initially at a temperature of 127 ∘C127\text{ }^\circ\text{C}127 ∘C, is allowed to expand to 1.51.51.5 times its original volume. It is then heated at constant volume until its pressure is restored to its initial value.
What is the final temperature of the gas?
−6 ∘C-6\text{ }^\circ\text{C}−6 ∘C
191 ∘C191\text{ }^\circ\text{C}191 ∘C
327 ∘C327\text{ }^\circ\text{C}327 ∘C
600 ∘C600\text{ }^\circ\text{C}600 ∘C
