Tuesday
March 31, 2015

Homework Help: Chemistry

Posted by Iby on Thursday, May 13, 2010 at 5:24pm.

Which of the following can we predict from an equilibrium constant for a reaction?
1 The extent of a reaction
2 Whether the reaction is fast or slow
3 Whether a reaction is exothermic or endothermic



a. 1 only

b. 2 only

c. 3 only

d. 1 and 2 only

e. 1 and 3 only




2. (Points: 1)
Carbonic acid is a diprotic acid, H2CO3, with Ka1 = 4.2 * 10^-7 and Ka2 = 4.8 * 10^-11. The ion product for water is Kw = 1.0 10^-14.


What is the H3O+ concentration in a saturated carbonic acid solution that is 0.037 molar?



a. 3.7 *10^-2

b. 7.4 * 10^-2

c. 6.5 *10^-4

d. 1.2 *10^-4
e. 4.2 * 10^-7

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

chemistry - Which of the following can we predict from an equilibrium constant ...
Chemistry - Which of the following can we predict from an equilibrium constant ...
chemistry - How is the reaction quotient used to determine whether a system is ...
science, chemistry - 2Al(s)+ 3Cl2(g)=2AlCl3(s) For the above reaction calculate...
chemistry - State whether each of the following will increase,decrease or ...
Chemistry - Consider the following reaction at constant P. Use the information ...
Chemistry - Science (Dr. Bob222) - The following reaction has a positive value ...
College Chem - 4. Write the balanced equation for CH4+Cl2_CH2Cl2+HCl6. For the ...
Chemistry - I think I made a mistake with my previous question. I have two ...
chemistry - Consider the following overall reaction which is experimentally ...

Members