What is the density if

a sample of rock has a mass of 69

g and a volume of

23

ml?

When liquid detergent dissolves in water, which is the solvent and which is the solute

Na2O + HCl - > NaCl + H2O Does this equation satisfy the Law of Conservation of Matter? Why or why not? A) Yes, since there are 5 reactant atoms and 5 product atoms. Eliminate B) Yes, since there is a subscript of 2 on both sides on the equation.

How are fireworks made?

Which of the following statements is FALSE? Which of the following statements is FALSE? a. The rate of second order reactions is dependent on concentration. b. The rate of a first order reaction is dependent on concentraion. c.

Carbon tetrachloride was widely used for many years as a solvent until its harmful properties became well established.

Which statements describe Rutherford's model of the atom? Select all that apply.

When aluminum is placed in concentrated hydrochloric acid, hydrogen gas is produced. what volume of h2 is produced when 7.20 g of al reacts at stp?

Which is most likely the result of millions of metal atoms crowding together so that molecular orbitals become combined?

How is the Kyoto Protocol enforced A. By using carbon credits and debits B. By banning aerosols C. By banning CFCs D. By monitoring the ozone hole

What are all the elements to the left of the zigzag line in a periodic table called?