1. A pregnant woman with severe morning sickness has been vomiting steadily for several days. How will loss of stomach acid affect the pH in her body? Explain.

2. A person with a severe anxiety attack hyperventilates and exhales carbon dioxide faster than his body produces it. Consider the carbonic acid reaction on page 67 and explain how this hyperventilation will affect his blood pH. (Hint: Remember the law of mass action.)

3. The complete oxidation of glucose has the equation C₆H₁₂O₆ + 6 O₂ -> 6 CO₂ + 6 H₂O. Set up a table of reactants and products like the one on page 66 to demonstrate that this is a balanced equation.

4. Glycine has a molecular weight of 75. How much glycine would be needed to make 500 mL of a 100 mM solution?

5. How would the body's metabolic rate be affected it there were no such thing as enzymes? Explain.

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