If you make a buffer with acetic acid and sodium acetate in equimolar amounts, what happens to the pH when the concentration is adjusted so that there is 10x as much sodium acetate as acetic acid. (Consider what you learned in Parts 1 and 2 of the experiment about which ions are present in water and whether or not these ions undergo hydrolysis.)

a. Not enough information is given to predict the pH change.
b. The pH of the new solution will be the same as that of the original solution.
c. The pH of the new solution will be higher than the original solution.
d. The pH of the new solution will be lower than the original solution.

In a laboratory experiment, a fermenting aqueous solution of glucose and yeast produces carbon dioxide gas and ethanol. the solution was heated by burning natural gas in a bunsen burner to distill the ethanol that formed in the flask. during the distillation, the ethanol evaporated and then condensed in the receiving flask. the flame of the burner was kept too close to the bottom of the flask and some of the glucose decomposed into a black carbon deposit on the inside of the flask. during this experiment the following changes occurred. which of these changes involved a physical change and not a chemical change? check all that apply. 1-condensation of ethanol 2-evaporation of ethanol 3- formation of carbon dioxide gas from glucose burning of natural gas 4-formation of ethanol from glucose by yeast 5-formation of a carbon deposit inside the flask

This drawing shows a human body system. what is the primary function of this body system?

What is the atomic mass of an atom that has 6 protons, 6 neutrons, and 6 electrons? a) 6 b) 8 c) + 1 d) 12 e) 18