An Ideal Gas (The System) Is Contained in a Flexible $\degree$

question 39

Multiple Choice

An ideal gas (the system) is contained in a flexible balloon at a pressure of 1 atm and is initially at a temperature of 20. $\degree$ C. The surrounding air is at the same pressure, but its temperature is 25 $\degree$ C. When the system has equilibrated with its surroundings, both systems and surroundings are at 25 $\degree$ C and 1 atm. In changing from the initial to the final state, which one of the following relationships regarding the system is correct?

• A) (\(\Delta\)E < 0)
• B) (\(\Delta\)E = 0)
• C) (\(\Delta\)H = 0)
• D) w > 0
• E) q > 0

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Definitions:

Intravenous Pyelogram

A radiographic test that involves injecting a dye into a vein to evaluate the kidneys, ureters, and bladder.

Urinalysis

A test conducted on urine to detect and manage a wide range of disorders, such as urinary tract infections, kidney disease, and diabetes.

Intravenous Pyelography

A radiographic imaging technique involving an intravenous injection of a dye to visualize and assess the structure and function of the urinary tract.

Renal Calculus

A solid mass made of crystals, also known as a kidney stone, that originates in the kidneys but can travel down the urinary tract, causing pain and potential obstruction.