The overall equation for the formation of hydrated copper(II) sulfate crystals from copper(II) oxide is

(i) In an experiment, a student completely reacts 9.54 g copper(II) oxide.

Show that the maximum possible mass of CuSO4.5H2O crystals that can be obtained is about 30

g.

[Mr

of CuO = 79.5 Mr

of CuSO4.5H2O = 249.5]

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 conventional equilibrium constant expression (kc) for the system below is: 2icl(s) ⇄ i2(s) + cl2(g) [cl2] ([i2] + [cl2])/2[icl] [i2][cl2]/[icl]2 none of the listed answers are correct [i2][cl2]/2[icl]

When the water vapor cools it condenses select a number that represents his process on the