Baking soda is often used in experiments to neutralize vinegar. in the picture above, the beaker on the left contains a solution of vinegar. what can you conclude about the picture on the right? a) the solution on the right has a ph less than 7. b) the solution on the right will not conduct electricity. c) it has similar characteristics as hcl and h2so4. d) it must be a base since is has the opposite reaction to litmus paper as vinegar and vinegar is an acid.

Which explanation describes the forces involved for a person to walk down the sidewalk? a. the person's feet push backward on the sidewalk; the sidewalk pushes backward on the person. b. the person's feet push forward on the sidewalk; the sidewalk does not push on the person. c. the person's feet push backward on the sidewalk; the sidewalk pushes forward on the person. d. the person's feet push forward on the sidewalk; the sidewalk pushes forward on the person.

Which notation is used to represent an alpha particle? a. b. c. d.

One object has a mass of 1 kg and another object has a mass of 3 kg. if the speeds are the same, which of the following is true about their kinetic energy?