A solution is made by adding 25 mL of benzene to 80 mL of toluene. What is the
percent by volume of benzene?

An object becomes electrically charged when: electrons are created in it electrons from it are destroyed electrons are transferred to it protons from it are destroyed protons are created in it

If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?

Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize