The solar panel heats 200kg of water each day. on one day it increases the temperature of the water by 50 degrees. the specific heat capacity of water is 4200 j.
calculate the energy needed to increase the temperature of 200kg of water by 50 degrees.
(another question)
which indeed is the correct unit?
joules,
seconds,
watts

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

Identify and describe the three ways that mutations affect organisms.

What happens to the concentration of hydronium ions as the ph of a solution increases? a. hydronium ion concentration stays the same b. hydronium ion concentration decreases c. hydronium ion concentration increases