One liter of a solution of pH 2 has how many more hydrogen ions (H+) than 1 liter of a solution of pH 6?

An acid is a substance that

If one solution has a pH of 5 and the other has a pH of 7 what is the difference in H+ concentration between the two solutions.

Which of the following is NOT one of the five steps of the scientific method.

Phospholipids and triglycerides both _____.

Which of these provides evidence of the common ancestry of all eukaryote life?

Define the word “biology”.

What are the basic “building blocks” of DNA?

A friend of yours calls to say that his car would not start this morning. He asks for your help. You say that you think the battery must be dead. If so, then jump-starting the car from a good battery will solve the problem. In doing so, you are _____.

Which molecule shown above can increase the concentration of hydrogen ions in a solution and is, therefore, an organic acid?