Which of the Following Statements Correctly List the Partial Pressures

question 56

Multiple Choice

Which of the following statements correctly list the partial pressures of nitrogen,oxygen,carbon dioxide and water vapor?

• A) P_N2 is 78.6% of 760 or 597 mmHg, P_O2 is 0.04% of 760 or 0.3 mmHg, P_CO2 is 20.9% of 760 or 159 mmHg and the remainder 3.7 mmHg is the partial pressure of water vapor.
• B) P_N2 is 78.6% of 760 or 597 mmHg, P_O2 is 20.9% of 760 or 159 mmHg, P_CO2 is 0.04% of 760 or 0.3 mmHg and the remainder 3.7 mmHg is the partial pressure of water vapor.
• C) P_N2 is 0.04% of 760 or 0.3 mmHg, P_O2 is 78.6% of 760 or 597 mmHg, P_CO2 is 20.9% of 760 or 159 mmHg and the remainder 3.7 mmHg is the partial pressure of water vapor.
• D) Neither answer is correct.

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Definitions:

Salvage Value

The expected remaining valuation of an asset after its service life has ended.

Straight-Line Method

A method of allocating the cost of a tangible asset over its useful life in equal annual installments.

Net Present Value

A method used to evaluate the profitability of an investment, calculating the difference between the present value of cash inflows and outflows over a period.

Discount Rate

The interest rate used in discounted cash flow (DCF) analyses to determine the present value of future cash flows.