Question

Which of these choices below are endothermic processes?
a.
Water vapor condenses into liquid water
b.
Propane burns on a camp stove
c.
A salt is dissolved in water, and the solution becomes warm
d.
A salt is dissolved in water, and the solution becomes cold

Answer 1

Which of these choices below are endothermic processes?

a.

Water vapor condenses into liquid water

b.

Propane burns on a camp stove

c.

A salt is dissolved in water, and the solution becomes warm

d.

A salt is dissolved in water, and the solution becomes cold

answer: option a and b

are the answer

as endothermic means which take heat to produce the products.

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Answer 2

Answer:

d.A salt is dissolved in water, and the solution becomes cold.