What are sister chromatids

The average kinetic energy of the particles in an object is directly proportional to its

A rubber ball falling vertically bounces off a concrete floor. Just as that ball begins to bounce up, all of its energy is kinetic.

The air above earth's surface is at a different temperature what is responsible for this difference in temperature

How many C-13 atoms are present, on average, in a 23000-atom sample of carbon?

If you had a substance that water will not dissolve, then which of the following compounds would you choose to dissolve this substance? A. Vegetable oil B. Any polar substance C. Any ionic substance. D. None of the above will work.

Is burning wood a physical change

A gas is located inside a closed container. if the gas is allowed to occupy more volume inside the container, what will happen to the pressure? (note: there is no gas added to the container.)

An open-end manometer containing mercury was connected to a vessel holding a gas at a pressure of 767 torr. The atmospheric pressure was 724 torr. What is the difference in the heights of the mercury, expressed in cm?

When does raising the temperature of a gas increase its pressure? A. temperature B. volume C. number of particles D. pressure

Hexyne. What does the name of this hydrocarbon tell you about its molecular structure?