Energy and Chemical Bonds Quiz

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Questions and Answers

What is the Second Law of Thermodynamics state about entropy in a chemical reaction?

Entropy increases

Define Gibbs Free Energy.

Energy not lost to entropy available to do work

What does a negative ΔG value indicate in terms of a reaction?

Reaction will occur spontaneously

Explain the concept of coupled reactions in terms of energy.

<p>Free energy from exergonic reactions drives endergonic reactions</p> Signup and view all the answers

What is the role of ATP in cellular processes?

<p>ATP provides energy for cellular processes</p> Signup and view all the answers

How do cells regenerate ATP?

<p>Combining ADP and Pi in an endergonic reaction</p> Signup and view all the answers

What is the definition of energy?

<p>Energy is defined as the ability to do work.</p> Signup and view all the answers

What are the two types of energy described in the text?

<p>The two types of energy are kinetic energy (the energy of motion) and potential energy (stored energy).</p> Signup and view all the answers

What is the bond energy?

<p>The bond energy is the amount of energy needed to break a bond or to form a bond.</p> Signup and view all the answers

What is the relationship between the first law of thermodynamics and chemical bonds?

<p>The first law of thermodynamics states that energy is absorbed to break chemical bonds during a reaction.</p> Signup and view all the answers

How does the second law of thermodynamics apply to living organisms?

<p>Living organisms appear to defy the second law of thermodynamics, which states that the release of unusable energy increases the disorder or entropy of a system, because living organisms are highly structured.</p> Signup and view all the answers

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