Suppose You Do 75 KJ of Work on a System

question 53

Multiple Choice

Suppose you do 75 kJ of work on a system consisting of 10 kg of water by stirring it with a paddle wheel. During this process, 40 kcal of heat is removed. The change in the internal energy of the system is

• A) -92 kJ.
• B) -115 kJ.
• C) -134 kJ.
• D) -242 kJ.
• E) -156 kJ.

---

Definitions:

Equipment

Tangible personal property that is used in operations, such as machinery, computers, and furniture, which is not intended for sale.

Closing Entries

At the conclusion of an accounting period, closing entries refer to the journal entries that are recorded to move the balances from temporary accounts to permanent accounts, which helps in getting the accounts ready for the upcoming period.

Classified Balance Sheet

A balance sheet that organizes assets and liabilities into subcategories such as current and long-term.

Financial Statements

Formal records of the financial activities and position of a business, person, or other entity, presented in a structured manner.