Ethylene Dichloride Is an Effective Cooling Agent When Allowed to Evaporate

question 64

Multiple Choice

Ethylene dichloride is an effective cooling agent when allowed to evaporate. The heat of vaporization is 85.3 calories per gram. How much heat could be removed from the skin if 2.70 grams of ethylene dichloride were sprayed on and allowed to evaporate?

• A)31.6 cal
• B)230 cal
• C)0.00320 cal
• D)0.00400 cal

---

Definitions:

Sales Discounts

Reductions from the listed price given by a seller to a buyer as an incentive to purchase.

Expense Accounts

These accounts are used to track the money spent or costs incurred in a company's operations.

Sales Discount

A reduction in the price charged to customers, typically given in exchange for prompt payment.

Discount Period

The discount period refers to the time frame in which a payment can be made at a reduced rate, typically in the context of early payment incentives to debtors.