Calculate the Change in Internal Energy (ΔE)for a System That

question 45

Multiple Choice

Calculate the change in internal energy (ΔE) for a system that is giving off 25.0 kJ of heat and is changing from 12.00 L to 6.00 L in volume at 1.50 atm pressure.(Remember that 101.3 J = 1 L^∙atm)

• A) +25.9 kJ
• B) -16.0 kJ
• C) -25.9 kJ
• D) -24.1 kJ
• E) 937 kJ

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Definitions:

Investing Activities

Transactions involving the purchase and sale of long-term assets and other investments not included in cash equivalents.

Bonds Payable

Long-term liabilities representing money borrowed by an entity that must be repaid to creditors at a future date.

Financing Activities

Transactions related to raising capital, repaying investors, and restructuring the financial basis of the entity in the statement of cash flows.

Treasury Stock

Stock that a corporation has once issued and then reacquires.