An atom that has lost or gained electrons is known as an ion. Which compound below is made up of ions?

A.

LiF

B.

SO3

C.

CO2

D.

CH4

Balance the following equation: C + SO2 = CS2 + CO

In the reaction below how would adding more of product C affect the equilibrium of the system? A+B arrows both ways C+D In the endothermic reaction below how would adding hear affect the equilibrium of the system?

As the frequency of a wave increases, the energy ...

An aqueous solution that is 20.0 percent sulfuric acid (h2so4) by mass has a density of 1.105 g/ml. determine the molarity of the solution.

Concentrations of lead in the bloodstream are often quoted in units of μg/dL. Averaged over an entire region, the mean concentration of lead in the blood was measured to be 1.5 μg/dL. Express this concentration in ppb.

12 Two molecules of HBr collide and then form H2 and Br2. During the collision, the bonds in the HBr molecules are

If the two charges represented in the figure were brought near each other, they would a. have no effect on each other. b. repel each other. c. cause static discharge. d. attract each other.

A gas tank holds 20000 liters at 850 torr. If the temperature remains constant, what will the volume, in L, of the gas be at standard pressure, 760 torr?

Which Group (column on the Periodic Table) is the least soluble?

When ironing clothes, the primary method of heat transfer is A) conduction. B) convection. C) insulation. D) radiation.