What Mass of Water Would Need to Evaporate from Your

question 55

Multiple Choice

What mass of water would need to evaporate from your skin in order to dissipate 1.70 ×10⁵ J of heat from the surface of your body? H₂O(l) → H₂O(g) ΔH_vap = 40.7 kJ/mol

• A) 2.26 g
• B) 4.18 g
• C) 75.2 g
• D) 4.18 ×10³ g
• E) 4.07 × 10⁴ g

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Definitions:

Fixed Costs

Expenses that do not change with the level of production or business activity, such as rent, salaries, and insurance.

Unit Variable Cost

The cost associated with producing one additional unit of a product, excluding fixed costs.

Price

Price is the amount of money charged for a product or service, or the sum of values that consumers exchange for the benefits of having or using the product or service.

Break-even Point

The level of production or sales at which total costs match total revenue, resulting in no profit or loss.