Question Detail

CHM 101 Chemical Thermodynamics Objective Question

Question

What is the equation for ΔS_surr at constant temperature and pressure?
Options
A ΔS_surr = T / ΔH_sys
B ΔS_surr = ΔH_sys / T
C ΔS_surr = -T / ΔH_sys
D ΔS_surr = -ΔH_sys / T
Correct Answer
Correct Answer

Option D is the correct answer.

Detailed Explanation

At constant temperature and pressure, ΔS_surr = -ΔH_sys / T. The sign depends on direction of heat flow and magnitude depends on temperature.

Hint

The notes provide this equation.

Question Info