Which statement describes the exothermic reaction represented by this graph?
Potential energy
Reaction progress
A. The amount of potential energy remains constant.
Ο Ο
B. Energy is absorbed during the reaction.
C. Energy is given off by the reaction.
O
D. Energy is first given off and then absorbed.

An object's buoyant force and weight mean the same thing.a. trueb. false

This punnett square shows the cross between two pants. one parent has round seeds (rr). and the other parent has wrinkled seeds (rr) which best describes their offspring as shown in this cross?

An ice-making machine inside a refrigerator operates in a carnot cycle. it takes heat from liquid water at 0.0 degrees celsius and rejects heat to a room at a temperature of 19.2 degrees celsius. suppose that liquid water with a mass of 76.3kg at 0.0 degrees celsius is converted to ice at the same temperature. take the heat of fusion for water to be l_f = 3.34*10^5 j/kg.how much energy e must be supplied to the device? express your answer in joules.