week 9 hw

How does the change in free energy differ between exergonic and endergonic reactions? Multiple choice question. a. Exergonic reactions have a negative change in free energy whereas endergonic reactions have a zero change in free energy. b. Endergonic reactions have a negative change in free energy whereas exergonic reactions have a positive change in free energy. c. Endergonic reactions have a negative change in free energy whereas exergonic reactions have a zero change in free energy. d. Exergonic reactions have a negative change in free energy whereas endergonic reactions have a positive change in free energy.

d. Exergonic reactions have a negative change in free energy whereas endergonic reactions have a positive change in free energy.

What is the term used to describe the energy of a system that is available to do work? Multiple choice question. a. Enthalpy b. Kinetic energy c. Entropy d. Free energy

d. Free energy

What type of reaction is ATP synthesis

endergonic

A reaction that requires an input of energy is said to be a(n) BLANK reaction

endergonic, non-spontaneous

what type of reaction is ATP hydrolysis

exergonic

The energy available to do work in a system is called

free energy

what type of energy is stored energy

Potential energy

what two states can energy exist in

Potential energy Kinetic energy

What is the first law of thermodynamics?Multiple choice question. a. Energy cannot be created or destroyed. b. Some energy always becomes unusable when transferred from one form to another. c. Any transfer of energy increases entropy.

a. Energy cannot be created or destroyed.

What type of reaction or process releases free energy? Multiple choice question. a. Exergonic b. Instantaneous c. Activated d. Endergonic

a. Exergonic

Which of the following is the branch of chemistry concerned with energy changes?Multiple choice question. a. Thermodynamics b. Cytochemistry c. Organic chemistry d. Inorganic chemistry

a. Thermodynamics

what is the energy required to destabilize existing chemical bonds and initiate a chemical reaction.

activation energy

what type of energy is movement associated with

Kinetic energy

What is the term for the ability to do work?Multiple choice question. a. Potential energy b. Energy c. ATP d. Kinetic energy

b. Energy

What is the second law of thermodynamics? multiple answers correct a. Energy cannot be created or destroyed. b. Some energy always becomes unusable when transferred from one form to another. c. Any transfer of energy increases entropy.

c. Any transfer of energy increases entropy. b. Some energy always becomes unusable when transferred from one form to another.

Any agent that speeds up the rate of a chemical reaction without being permanently changed or consumed by it is known as a(n)

catalyst