If a hard box containing 2 L of a gas at 3.5 atm is heated from 25 °C to 73 °C, what is the new pressure of the gas inside the box? (4 pts)

Convert the following measurements to the required units. Write the answer in scientific notation with 4 significant figures. (6 pts.)   9768.67 dL =  ___________kL 667.43 Mm = ____________mm  

List the intermolecular forces discussed in class in order from weakest to strongest. (5 pts)

Perform the following operation. (6 pts, 2 pts each)

Provide the missing chemical name or chemical formula for the following substances. ( 10 pts, 1 pt. each) (Write your compound formulae as H_2O to show subscripts) Mercury (II) dihydrogen phosphate H3PO4 Lead (II) sulfite CaSO4 Silver Hydroxide SO3 Dibromine pentaflouride H3PO3 Sulfuric Acid HNO3

 Two clear liquid solutions are mixed, and a black precipitate forms. Which of the following best describes the event?

 Two clear liquid solutions are mixed, and a black precipitate forms. Which of the following best describes the event?

What is the role of a catalyst in a chemical reaction?

What is the role of a catalyst in a chemical reaction?

Perform the following operation. (6 pts, 2 pts each)