Someone please help me with these two problems. I will give the formula too from above the question is: 1. How much heat is lost when a 500g sample of copper is cooled from 450 degrees celsius to 20 degrees celsius

2. How much heat is gained when a 20g mercury thermometer is raised from 25 degrees celsius to 35 degrees celsius

What can be added to the examples section of each circle? endothermic: ice melting into water, and a heat pack becoming warm exothermic: a glow stick glowing, and fireworks exploding endothermic: ice melting into water, and an instant ice pack turning cold exothermic: fireworks exploding, and gasoline burning endothermic: a glow stick glowing, and a heat pack becoming warm exothermic: an instant ice pack turning cold, and ice melting into water endothermic: gasoline burning, and an instant ice pack turning cold exothermic: ice melting into water, and an instant ice pack turning cold

The same side of the moon always faces earth because the

What must be in balance for temperatures to remain constant?