Which of the Following Changes Is/are Exothermic for the Underlined

question 49

Multiple Choice

Which of the following changes is/are exothermic for the underlined object?
i.ice melts
ii.hot french fries cool
iii.a beaker warms as chemicals react within it
iv.a hot plate warms a beaker of water
v.water evaporates off of skin

• A)iii and iv
• B)i and v
• C)ii only
• D)All are exothermic
• E)None is exothermic

---

Definitions:

Closed-shop Agreement

A labor agreement requiring workers to be members of a union as a condition of employment, primarily used prior to being outlawed in the United States by the Taft-Hartley Act.

Taft-Hartley Act

A law enacted by the federal government in 1947 within the United States, aimed at constraining the operations and capabilities of labor unions.

Closed-shop Agreements

Closed-shop agreements are labor contracts requiring employers to hire only union members, typically to ensure worker unity in negotiations and workplace standards, though they are restricted or illegal in some jurisdictions.

Landrum-Griffin Act

A U.S. law aimed at regulating labor unions' internal affairs and their officials, promoting democracy, and safeguarding union members' rights.