True or false: heat and energy

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   An exothermic change releases heat.

2. Statement is true

   No

   Statement

   Heat capacity is the same for any size of sample.

3. Statement is true

   Yes

   Statement

   A substance that cools has a negative value of q.

4. Statement is true

   No

   Statement

   Nuclear energy changes are similar in size to chemical ones.

5. Statement is true

   Yes

   Statement

   Most metals warm up more easily than water does.

Instructions

Tap True or False for each statement.

Explanation