Exam 2 ( ch. 6,7,8)

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endergonic

a chemical reaction that has a positive G is correctly describes as

25/1000= .025-- 298*.25---= -897.45

assume that temperature is 298 K, calculate G, when H is -890 kJ/mol and S is 25 J/K

G is the change in free energy

the mathematical expression for the change in free energy of a system is delta G=H-T*S. Which of the following is (are) correct?

it is lost to the environment

when chemical, transport, or mechanical work is done by an organism, what happens to the heat generated

entropy of the universe

whenever energy is transformed, there is always an increase in the

the heat content of a chemical system

which of the following best describes enthalpy (H)

energy cannot be created or destroyed

which of the following is a statement of the first law of thermodynamics

the reaction proceeds with a net release of free energy

which of the following is true for all exergonic reactions?

metabolism consists of all the energy transformation reactions in an organism

which of the following is true of metabolism in its entirety in all organisms

catabolism

which term most precisely describes the cellular process of breaking down large molecules into smaller ones


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