Question

Which of the following samples had the lowest average kinetic energy?

Answer 1

Answer:

B. 10 mL of Cabr2(aq) at 35 degrees celsius

Explanation:

The colder something is the more the atoms are compressed together; atoms can't move as much. 35 degrees is the warmest option, so it makes the most sense.

Answer 2

Answer:

15ml of nacl(aq) at 5c

Explanation:

Low temp and low volume equals low energy