Arrange the steps in order to describe what happens to a gas when it cools. The A particles of gas move slower.

B The gas changes to a liquid.

C The gas loses thermal energy.

D The space between the gas particles decreases.

How many elements have been discovered? A. 110 B. less than 110 C. more than 110

A solution is prepared by mixing 100 mL of 1 M HCl and 250 mL of 5 M NaCl. What is the total volume of the solution?

What is the osmolarity of a solution made by dissolving 0.50 mole of the strong electrolyte cacl2 in 1.0 l of solution?

For every action force there is an equal but opposite reaction force

c. When we heat water up by the Bunsen burner, what temperature is the boiling water? After 10 minutes

A = 6 is a solution to the inequality a > 6 true or false

Refer to the example about diatomic gases A and B in the text to do problems 19 - 27. For 3 moles AA, how many moles of BB will be required? __ How many moles of product will be made? __ mol answers should be 1, 2, or 3 for each blank

a drop of water weighing 0.48 g condenses on the surface of a 55-g block of aluminum that is initially at 25C.

I add 3.20 moles of Cu to an excess of AgNO3. How many miles of silver are formed?

Which phrase describes two forms of solid carbon, diamond and graphite, at STP? (1) the same crystal structure and the same properties (2) the same crystal structure and different properties (3) different crystal structures and the same properties