Carbon Tetrachloride Reacts at High Temperatures with Oxygen to Produce

question 52

Multiple Choice

Carbon tetrachloride reacts at high temperatures with oxygen to produce two toxic gases, phosgene and chlorine. CCl₄(g) + ¹/₂O₂(g)
COCl₂(g) + Cl₂(g) , K_c = 4.4 * 10⁹ at 1,000 K
Calculate K_c for the reaction 2CCl₄(g) + O₂(g)
2COCl₂(g) + 2Cl₂(g) .

• A)4.4 * 10⁹
• B)8.8 * 10⁹
• C)1.9 * 10¹⁰
• D)1.9 * 10¹⁹
• E)2.3 * 10^-10

Record transactions appropriately in journals and ledgers.

Understand the concept of debits and credits and the double-entry system.

Calculate and analyze the debt ratio to assess financial risk and stability.

Understand the impact of transactions on the cash balance.

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Definitions:

Accrual

A bookkeeping approach that logs income and expenditures at the time they occur, irrespective of the timing of actual cash transactions.

Financial Statement

A formal record of the financial activities and position of a business, person, or other entity, presenting the financial results and health of the entity.

Onerous Contract

A contract in which the unavoidable costs of meeting the obligations under the contract exceed the economic benefits expected to be received under it.

AASB 137

The Australian Accounting Standards Board standard that deals with the treatment of provisions, contingent liabilities, and contingent assets.