Astudent sets up a reaction and calculates a possible yield of 55.9g of silver. if the student preforms the reaction and the mass of actual silver obtained is 42.5g, what is the percent yield?

Which of the following is a testable hypothesis? a. if i brush my teeth, i will get fewer cavities than if i don't brush my teeth. b. green toothpaste tastes better than blue toothpaste or red toothpaste. c. smart, careful, healthy people always brush their teeth. d. it's wrong to not brush your teeth before you have an important conversation with someone.

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

In order to complete this lab. you will need to be familiar with some common chemistry terms. complete the chemical change puzzle and list the relevant terms and their meaning below a. rectant b. product c. supernate