Given the law of conservation of energy, what best explains why heat may be absorbed during a chemical reaction?

a. the energy of the reactants is less than the energy of the products.

b. chemical reactions absorb as much energy from the surroundings as they release.

c. the products of a chemical reaction have a higher temperature than the reactants.

d. chemical reactions require kinetic energy because the reactants contain potential energy.

Which of the following statements is true about planck’s law

An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.