(06.02 MC) A list of changes is shown. Temperature decreases Intermolecular bonds become weaker Freezing Intermolecular bonds become stronger Evaporation Temperature increases Movement of molecules slows down Molecules vibrate faster Which of the above changes would be accompanied by a decrease of the kinetic energy of particles in a liquid?

Find and simplify the difference quotient  for the given function.f(x) = x 2 + 6x + 4

(07.06 MC) During an experiment, solid iodine was placed in a sealed container. The container was gradually heated and purple-colored vapors of iodine formed were observed. Describe this system when it reaches phase equilibrium.

(05.05 MC) How many moles of water are produced when 3.0 moles of hydrogen gas reacts with 1.8 moles of oxygen gas?

(05.06 LC) The actual yield of a product in a reaction was measured as 2.80 g. If the theoretical yield of the product for the reaction is 3.12 g, what is the percentage yield of the product?

(07.07 LC) What will most likely happen when a component is added to a reaction system at equilibrium?

All harmful psychoactive substances are illegal.

(05.01 LC) One mole of copper has a mass of 63.5 grams. Approximately how many atoms of copper are present in one mole of copper?

Recreational drugs are always _________________________________.

Match the drug schedule with the appropriate description of drugs in that category (2 points each. 10 points total)