If A $\mathrm { Cu } ^ { 2 + }$

question 42

Multiple Choice

If a $\mathrm { Cu } ^ { 2 + }$ ion that is initially at rest accelerates through a potential difference of $12 \mathrm {~V}$ without friction, how much kinetic energy will it gain? $\left( e = 1.60 \times 10 ^ { - 19 } \mathrm { C } \right)$

• A) \(12 \mathrm { eV }\).
• B) \(3.0 \mathrm { eV }\).
• C) \(6.0 \mathrm { eV }\).
• D) \(24 \mathrm { eV }\).

---

Definitions:

PCBs

Polychlorinated biphenyls, a group of man-made organic chemicals known for their environmental persistence, bioaccumulation, and potential health hazards.

Predatory Birds

Birds of prey, such as eagles, hawks, and owls, that hunt and feed on other animals for sustenance.

Large Lake System

A group of interconnected lakes or a single extensive lake that has a significant impact on its local environment and climate.

Life Span

The duration of time a living being, organism, or thing exists from its birth or creation to its death or destruction.