How Much Work, in Joules, Is Done When the Pressure

question 45

Multiple Choice

How much work, in joules, is done when the pressure is suddenly released from 2.05 atm to 1.87 atm on 27.5 g of He at 27°C?

• A) 5.2 × 10³ J
• B) -8.0 × 10³ J
• C) 8.0 × 10³ J
• D) -1.5 × 10³ J
• E) 1.5 × 10³ J

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Definitions:

Credits

In accounting, credits are entries that decrease assets or increase liabilities and equity on a company's balance sheet, corresponding to the double-entry bookkeeping system.

Debits

Entries made on the left-hand side of an account record in double-entry bookkeeping, indicating increases in assets or expense accounts, or decreases in liabilities, equity, or revenue accounts.

Account Balance

The amount of money present in a financial account at any given moment, which can be positive (credits) or negative (debits).

Chart of Accounts

An organized list of all the accounts in a company's general ledger, used for recording and reporting financial transactions.