Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Chapter 9 acid/base

QuestionAnswer
According to the Arrhenius definition, an acid is a substance that produces which of these in an aqueous solution? a. electron b. H atom c. H3O+ d. OH- c. H3O+
A Brønsted-Lowry acid is defined as a substance which: a. increases [H+] when placed in water b. decreases [H+] when placed in water c. acts as a proton acceptor in any system d. acts as a proton donor in any system d. acts as a proton donor in any system
Which of the following properties is a characteristic of an acid? a. has a sour taste b. produces H+ in water c. has a slippery feel d. is neutralized by a base a. has a sour taste
Which of the following properties is characteristic of a base? a. has a sour taste b. produces H+ in water c. has a slippery feel d. is neutralized by a base c. has a slippery feel
A Brønsted-Lowry base is defined as a substance which: a. acts as proton acceptor in any system b. acts as proton donor in any system c. decreases [H+] when placed in water d. increases [H+] when placed in water a. acts as proton acceptor in any system
Which of the following is NOT a strong acid? a. HCl (aq) b. HNO3 c. HC2H3O2 d. HCIO4 c. HC2H3O2
Which one of the following substances is a weak base when dissolved in water? a. CH4 b. NaOH c. NH3 d. H2S c. NH3
The conjugate base of H2O is а. O-2 b. OH-1 c. H3O+ d. H2O b. OH-1
The conjugate acid of HSO4 is a. H2SO4 b. SO4-2 c. H3O+ d. HSO4-2 a. H2SO4
The conjugate base of HCO3 is a. H2CO3 b. CO3-2 c. HзSO4+1 d. H2O b. CO3-2
If the [H3O+] of a solution is 6.0 x 10-9 M, the pH is 12. a. -9.6 b. 9.0 c. -8.2 d. 8.2 b. 9.0
As the concentration of [H3O+] decreases a. the pH increases b. the [OH-] decreases c. the pH decreases d. the solution becomes more acidic a. the pH increases
Which of these is amphiprotic? a. 102 M b. KOH c. SO4 2 d. H2O d. H2O
When a reaction reaches equilibrium a. all the reaction ceases b. the rate of the reverse reaction becomes zero c. the rate of the forward reaction becomes zero d. the rates of the forward and reverse reactions are equal d. the rates of the forward and reverse reactions are equal
Which of the following will drive this endothermic equilibrium to the left? a. add more CO2 b increase the temperature c. decrease the temperature d. remove O2 c. decrease the temperature
The isoelectric point of an amino acid is defined as: a. the pH at which the amino acid exits in the zwitterion form b. the pH at which it exists in the basic form c. the pH at which it exists in the acidic form d. the pH equals the pKa a. the pH at which the amino acid exits in the zwitterion form
When a person hyperventilates, the following reaction is shifted to ___creates the condition known as a. left, respiratory alkalosis b. right respiratory acidosis c. right, metabolic acidosis d. left, metabolic alkalosis a. left, respiratory alkalosis
When a person hypoventilates, the following reaction is shifted to _____ creates the condition known as a. left, respiratory alkalosis b. right, metabolic acidosis c. right respiratory acidosis d. left, metabolic alkalosis b. right, metabolic acidosis
Created by: mosciencehelp
Popular Chemistry sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards