prease tell me the answer. When a liquid changes to a gas below the surface of a liquid as well as at the surface, it is called

If the atomic number of an element is 6 and its mass number is 4 how many neutrons are contained in the nucleus? A. 14 B. 6 C. 8 D. 20

In order to obtain energy animals must do what? A) consume food B) produce food C) get sunlight D) make new cells

How much force is needed to accelaerate a 66kg skier at m/sec2?

The condition of the air outdoors at a certain time of day is known as?

Which of the following is a property of matter?

Define mechanical energy. Using the example of the pendulum, explain how kinetic and potential energy relate to the mechanical energy at different positions.

What happens to an atom in a liquid as it freezes?

Molar mass of (NaOH)

Why was it necessary to measure the exact volume of distilled water used to dissolve the acid, as well as the exact volume of the solution transferredfrom the beaker to the Erlenmeyer flask?

Do two compounds form a mixture or a pure substance when you put them together mechanically, such as by stirring?