Question

Part A Calculate the change in entropy that occurs in the system when 49.4 g of acetone (C3H6O) freezes at its melting point (- 94.8 °C). ?H°fus = 5.69 kJ/mol. Express your answer in joules per kelvin to three significant figures. ?S = 2.71959 * 10^-2 J/K

          Part A
Calculate the change in entropy that occurs in the system when 49.4 g of acetone (C3H6O) freezes at its melting point (- 94.8 °C). ?H°fus = 5.69 kJ/mol.
Express your answer in joules per kelvin to three significant figures.
?S = 2.71959 * 10^-2 J/K

Part A
Calculate the change in entropy that occurs in the system when 49.4 g of acetone (C3H6O) freezes at its melting point (- 94.8 °C). ?H°fus = 5.69 kJ/mol.
Express your answer in joules per kelvin to three significant figures.
?S = 2.71959 * 10^-2 J/K

Added by Bobby J.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Madhur L

08/18/2023

Step 1

The molar mass of acetone (C3H6O) is 12.01 * 3 + 1.01 * 6 + 16.00 = 58.08 g/mol. Now, we can find the moles of acetone: moles = mass / molar_mass moles = 49.4 g / 58.08 g/mol = 0.850 mol Show more…

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Calculate the change in entropy that occurs in the system when 49.4 g of acetone (C3H6O) freezes at its melting point (- 94.8 °C). ΔH°fus = 5.69 kJ/mol. Express your answer in joules per kelvin to three significant figures.