Which of the Following Is a Unit of Energy

question 91

Multiple Choice

Which of the following is a unit of energy?

• A) kilowatt-hour
• B) newton
• C) joules per second
• D) newton-second
• E) none of these

---

Definitions:

C-H Bonds

A chemical bond formed between a carbon atom and a hydrogen atom, prevalent in organic molecules and important for the structure of hydrocarbons.

ΔS°

Standard entropy change, representing the change in entropy in a system when one mole of a compound is formed under standard conditions (298 K, 1 atm).

Hydrogenation

A chemical reaction where hydrogen is added to organic compounds, often requiring a catalyst.

Acetylene

A colorless and highly flammable gas with a triple bond between its two carbon atoms, used as a fuel and in chemical synthesis.