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

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.

Quiz Answers

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Question
Answer
show 10^-4, the solution is always equal to the negative exponent of the pH scale  
🗑
Assume that acid rain has lowered the pH of a particular lake to pH 4.0. What is the hydroxide ion concentration of this lake?   show
🗑
As the pH lowers on the scale   show
🗑
As the pH raises on the scale   show
🗑
Which of the following statements is true about buffer solutions? Answer   show
🗑
show are used as a means of keeping pH at a nearly constant value in regards to acids and bases  
🗑
Which of the following solutions has the greatest concentration of protons, [H+]?   show
🗑
What is the pH of a solution with a hydroxide ion, [OH-], concentration of 10-12 M?   show
🗑
show carboxyl  
🗑
One of the following people set up a closed system to mimic Earth's early atmosphere and discharged electrical sparks through it. A variety of organic compounds common in organisms were formed. Who did this?   show
🗑
enantiomers   show
🗑
show carboxyl and amino  
🗑
What is the pH of a solution with a proton, [H+], concentration of 10-8 M? Answer   show
🗑
Which of the following solutions has the greatest concentration of hydroxide ions, [OH-]?   show
🗑
Testosterone and estradiol are male and female sex hormones, respectively, in many vertebrates. In what way(s) do these molecules differ from each other?   show
🗑
show vitalism  
🗑
At what temperature is water at its densest?   show
🗑
What gives rise to the cohesiveness of water molecules?   show
🗑
show a hydrogen bond  
🗑
If the pH of a solution is increased from pH 5 to pH 7, it means that the   show
🗑
Different atomic forms of an element contain the same number of protons but a different number of neutrons. What are these different atomic forms called?   show
🗑
show carbon, hydrogen, nitrogen, oxygen  
🗑
What is the difference between covalent bonds and ionic bonds?   show
🗑
show iodine  
🗑
The reactivity of an atom arises from   show
🗑
show one of the atoms sharing electrons is much more electronegative than the other atom.  
🗑
Prokaryotic and eukaryotic cells generally have which of the following features in common?   show
🗑
Which of the following is reflective of the phrase "the whole is greater than the sum of its parts"?   show
🗑
Which branch of biology is concerned with the naming and classifying of organisms?   show
🗑
show cell  
🗑
2. Nitrogen (N) is much more electronegative than hydrogen (H). Which of the following statements is correct about the atoms in ammonia (NH3)?   show
🗑
4. Which of the following statements is false?   show
🗑
show ionic bond  
🗑
11. Which of the following statements concerning prokaryotic and eukaryotic cells is not correct?   show
🗑
Prokaryotic and eukaryotic cells generally have which of the following features in common?   show
🗑


   

Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
 
To hide a column, click on the column name.
 
To hide the entire table, click on the "Hide All" button.
 
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
 
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.

 
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
Created by: deleted user