A Method of Removing CO₂ from a Spacecraft Is to Allow

question 25

Multiple Choice

A method of removing CO₂ from a spacecraft is to allow the CO₂ to react with sodium hydroxide. (The products of the reaction are sodium carbonate and water.) What volume of carbon dioxide at 25°C and 749 mmHg can be removed per kilogram of sodium hydroxide that reacts?

• A)301 L
• B)284 L
• C)276 L
• D)310 L
• E)620 L

---

Definitions:

Net Present Value

A financial metric used to evaluate the profitability of an investment by calculating the difference between the present value of cash inflows and the present value of cash outflows over a period of time.

Monthly Interest Rate

The interest rate applied to a loan or investment for one month, often derived from an annual interest rate.

Variable Cost

Costs that vary directly with the level of production or activity within a business.

Sales Price

Sales price refers to the final amount of money a buyer pays to purchase a product or service.