A Change of State Occurring in a System Is Accompanied

question 23

Multiple Choice

A change of state occurring in a system is accompanied by 60.7 kJ of heat that is transferred to the surroundings at a constant pressure and at a constant temperature of 300 K.Calculate the ΔS(surroundings) for the process.

• A) -202 J/K
• B) -60.7 kJ/K
• C) 202 J/K
• D) 60.7 kJ/K
• E) 239 kJ/K

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Definitions:

Stroke Volume

The amount of blood ejected by the left ventricle of the heart in one contraction.

Heart Rate

The number of heartbeats per unit of time, typically expressed in beats per minute (bpm).

Cardiac Output

The volume of blood the heart pumps through the circulatory system in one minute, an important measure of cardiovascular health.

End-Diastolic Volume

The volume of blood in the ventricle at the end of the filling phase, or diastole, of the heart's cycle.