When of heat is conducted from a hot reservoir at to a cold reservoir at

CHEMISTRY · Single correct · A Level · Chemistry · Thermodynamics · Thermodynamics

Problem

When

800\,\text{J}

of heat is conducted from a hot reservoir at

500\,\text{K}

to a cold reservoir at

300\,\text{K}

, what is the value of the total entropy change of the universe? (a)

+2.00\,\text{J K}^{-1}

(b)

+4.27\,\text{J K}^{-1}

(c)

+1.07\,\text{J K}^{-1}

(d)

0\,\text{J K}^{-1}