Exam 7: Acids, Bases, and Equilibrium

The carbonic acid/bicarbonate buffer is important in maintaining the proper pH of human blood. Diarrhea can lead to the loss of HCO₃^-. According to LeChatelier's principle, removal of HCO₃^- will shift the above equilibrium to the ___ and result in a(n) ___ in blood pH.

One characteristic of basic solution is that

One liter of a solution is found to contain 0.022 moles of HCl. Calculate the pH of the solution. Assume complete dissociation.

In the equation:

The equilibrium constant K_eq for the reaction of molecular hydrogen and molecular iodine in the gas phase is 54.3 at 430 $\degree$ C. Which of the following statements is true for this reaction at equilibrium?

Which material would be effective for neutralizing a minor acid spill?

Choose the equilibrium constant that indicates the greatest relative amount of reactant concentration at equilibrium.

Acidic solutions have an H⁺ concentration

In the Haber process for the production of ammonia, Which will not increase the amount of ammonia at equilibrium?

The pH of blood is held reasonably stable by which buffer system?

A buffer is capable of reducing the effect of the addition of small amounts of hydronium or hydroxide ion to a solution.

The effect of a catalyst on an equilibrium is

Basic solutions have an H⁺ concentration

Nitrous acid (HNO₂) has K_a = 4.0 x 10^-4, and carbonic acid (H₂CO₃) has K_a= 4.4 x 10^-7. The acid with a stronger conjugate base is ___

You produce 500 mL of a 0.001 M HClO₄, which ionizes completely in water. What is the pH you should expect?

The formula of the conjugate base of HClO₄ is ___.

Which of the following statements is true?

Carrot juice has a pH of 5.1 while asparagus juice has a pH of 5.6. Are they both acidic or basic? Which is more so?

Which of the conditions below would drive this reaction to the right?

When one is referring to pH, what is the meaning of the p?