Question : 31) Carbon monoxide binds to hemoglobin 140 times more strongly : 1362955

 

31) Carbon monoxide binds to hemoglobin 140 times more strongly than oxygen does. What does this tell you about the equilibrium constants for the two reactions of hemoglobin with carbon monoxide and oxygen?

A) The equilibrium constant for the binding of CO is greater.

B) The equilibrium constant for the binding of oxygen is greater.

C) The concentration of carbon monoxide at equilibrium is twice that of oxygen.

D) Oxygen and carbon monoxide have the same formula mass.

E) Oxygen and carbon monoxide react with hemoglobin in different fashions.

32) Treatment of carbon monoxide poisoning can be accomplished by the use of pure oxygen for breathing. This is an example of the use of __________ in a clinical setting.

A) the ideal gas law

B) Le Chatelier’s principle

C) Henry’s law

D) conservation of mass

E) a precipitation reaction

33) In the reaction of nitrogen and hydrogen to give ammonia, all the reactants and products are __________.

A) gases

B) liquids

C) solids

D) boiling

E) frozen

34) In the reaction of carbon dioxide with water to give carbonic acid, the only gaseous component is the carbon dioxide. What will happen to the equilibrium concentration of carbonic acid if the pressure of carbon dioxide is increased in the container?

A) The concentration of carbonic acid will increase.

B) The carbonic acid concentration will decrease.

C) The carbonic acid concentration will stay the same.

D) There will be twice as much carbonic acid as carbon dioxide.

E) There will be more water available for the reaction.

35) In an exothermic reaction, heat can be considered a __________.

A) reactant

B) product

C) rate

D) catalyst

E) determinant

36) An equilibrium in which all the components are gases is a __________ equilibrium.

A) heterogeneous

B) liquid

C) catalytic

D) homogeneous

E) reversible

37) For the reaction of carbon with carbon dioxide to make carbon monoxide, the reaction is as follows.

C(s) + CO2(g) ? 2CO(g)

This is an example of a __________ equilibrium.

A) heterogeneous

B) homogeneous

C) gas

D) catalytic

E) irreversible

38) For the reaction of carbon with carbon dioxide to make carbon monoxide, the reaction is as follows. Write the form of the Kc.

(s) + CO2(g) ? 2CO(g)

A) Kc =

B) Kc =

C) Kc =

D) Kc =

E) Kc =

39) For the reaction of carbon with carbon dioxide to make carbon monoxide, one set of conditions produced a Kc = 1.2 × 10-1. At equilibrium at a certain temperature, the concentration of product was 0.60 M. What was the concentration of carbon dioxide at that temperature?

C(s) + CO2(g) ? 2CO(g)

A) 3.0 M

B) 0.60 M

C) 0.36 M

D) 3.33 M

E) 5.0 M

40) For the reaction of carbon with carbon dioxide to make carbon monoxide, the reaction is as follows.

C(s) + CO2(g) ? 2CO(g)

Adding additional C(s) to the reaction container will cause __________ to occur.

A) the formation of more CO

B) the formation of more CO2

C) a decrease in the amount of CO

D) B and C

E) no change in the amounts of CO and CO2

 

 

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