Describe the first and second laws of thermodynamics

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1)(a) Describe the first and second laws of thermodynamics.

(b) Explain why some people might mistakenly think that living things do not obey the second law.

2)What does the universality of ATP in all living species suggest about the relationship of species to one another?

3)(a) Describe the structure of an ATP molecule.

(b) How does the structure of the ATP molecule relate to the large amounts of free energy it contains?

4)Describe the process of ATP hydrolysis.

5)Why is it necessary for cells to "recycle" ADP and Pi rather than just release them as waste products?

6)Explain the ATP cycle.

7)Explain why it is advantageous for cells to use ATP as an energy source rather than using glucose, lipids, or protein directly.

8)(a) What is the chemical equation for the complete combustion of glucose.

(b) Which is the oxidizing agent?

(c) Which is the reducing agent?

9)A student performs a reaction and finds that the free energy, G, of the reactants is 5672 kJ and the free energy of the products is 2347 kJ. Determine whether the reaction is spontaneous or non-spontaneous.

10)Cellular respiration converts glucose, which has a high level of free energy, to carbon dioxide and water, which have low levels of energy.

(a) Is cellular respiration an exergonic reaction or an endergonic reaction?

(b) Is it a spontaneous reaction?

(c) What happens to all the energy from the glucose?

Reference no: EM132614523

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