A boy pushes on a wagon so that it accelerates at a rate of 0.50 m/s2. The wagon has a mass of 24 kg. What is the magnitude of the boy's pushing force? (Ignore frictional effects.)

12 N

12 kg

48 N

48 kg

While experimenting with acid-base reactions, a student mixes lithium hydroxide (LIOH) and hydrofluoric acid (HF) together. The products of the reaction are and

What is the molarity of a solution which contains 0.40 mole of a substance dissolved in 1.6L of solution?

1. Which of the following is NOT a property of solution? a. It has a definite composition. b. It has a homogeneous composition. c. It is consist of a single phase. d. It can be physically separated into its components. 2.

How many moles of HCl are present in 40.0 mL of a 0.035 M solution? 1. 0.0014 mol 2. 0.0060 mol 3. 0.25 mol?

How's it possible for liquid to boil at 25 C?

What river basin provide river water to charolette and gastoia?

8. Calculate the molar mass of an alkane with the mole- cular formula C H18.

What is DNA? What information does it carry? Where is DNA located?

5. Differences in which property allow the separation of a sample of sand and seawater by filtration? A) concentration of ions B) volume of sample C) mass of sample D) particle size

Describe the reaction of a weak acid and a strong base. In general, what will the final pH be when the reaction between equal moles of a weak acid and a strong base is complete?