Chapter 8 Flashcards
Conservation of energy refers to…
Energy can neither be created nor destroyed
An example of kinetic energy
Any form of motion
Chemical energy is a form of ____ energy?
Potential
What process converts chemical energy in glucose to chemical energy in ATP?
Cellular respiration
What is by-product of cellular respiration?
Heat, carbon dioxide, and water
What is true about the combustion of glucose with oxygen?
The entropy of the products is greater than the entropy of the reactants
What is true about equilibrium of chemical reactions?
A reaction that is at equilibrium is not capable of doing any work
A–> B + C + heat is an___ reaction
Exergonic
A ____ reaction occurs spontaneously
Exergonic
A ____ reaction requires a net input of energy from it’s surroundings
Endergonic
In cells, what is usually the immediate source of energy for an Endergonic reaction?
ATP
The reaction ADP + P —> ATP is a ___
Reaction
Endergonic
The energy for an Endergonic reaction comes from an __ reaction
Exergonic
What is the fate of the phosphate group that is removed when ATP is converted to ADP?
It’s acquired by a reactant in an Endergonic reaction
What is energy coupling?
The use of energy released from an exergonic reaction to drive an Endergonic reaction