If the Earth's Ozone (O₃)layer Has a Total Volume of 1.00

question 37

Multiple Choice

If the Earth's ozone (O₃) layer has a total volume of 1.00 × 10²⁰ km³,a partial pressure of 1.6 × 10^-9 atm,and an average temperature of 230 K,how many ozone molecules are in the Earth's ozone layer?

• A)2.3 × 10³⁵ molecules
• B)5.1 × 10³⁵ molecules
• C)2.3 × 10⁴⁵ molecules
• D)5.1 × 10⁴⁵ molecules

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Definitions:

Crossover Point

The point at which two or more alternative investments achieve the same cumulative cash flow or rate of return.

Mutually Exclusive

A condition where the occurrence of one event precludes the occurrence of another in decision making or statistical probability.

Discount Rate

The rate applied in DCF assessment to compute the present worth of imminent cash flows.

Internal Rate

Short for Internal Rate of Return (IRR), a financial metric used to estimate the profitability of potential investments by calculating the rate of return at which net present value of all cash flows (both positive and negative) from a project equals zero.