Which of the following is not true of "concentration"?
a. it increases when you add more solute to the solvent.
b. it decreases when you add more solute to the solvent.
c. it decreases when you add more solvent to the solution.

Using complete sentences, explain how to predict the products and balance the reaction between sulfuric acid and potassium hydroxide.

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397

The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?