Which of the Following Represents an Exothermic Reaction

question 63

Multiple Choice

Which of the following represents an exothermic reaction?

• A)A(g)+ B(g)→ 2C(g)∆H = +100 kcal
• B)A(g)→ B(g)+ 33 kcal
• C)50 kcal + 2A(g)→ C(g)+ D(s)
• D)A(g)+ B(g)→ 2C(g)∆H = +100 kcal and A(g)→ B(g)+ 33 kcal are exothermic reactions.
• E)A(g)+ B(g)→ 2C(g)∆H = +100 kcal and 50 kcal + 2A(g)→ C(g)+ D(s)are exothermic reactions.

---

Definitions:

Critique

An evaluation or analysis of something, often a creative work, with both positive and negative observations.

Research Findings

The results or conclusions that come out of scientific investigations, often contributing to a broader understanding of a topic.

Statistical Procedures

Mathematical techniques that are used to collect, analyze, interpret, and present data.

Scientific Investigation

A systematic process that involves the use of scientific methods to collect data and generate knowledge or validate theories.