A child brings an inflatable ball on a small plane. Before take-off, the 2.00 L ball has a pressure of 101.3 kPa. The pilot flies the plane at an altitude where the air pressure is 75.0 kPa. What is the volume of the ball at this altitude if the temperature in the plane remains constant?

This chart represents the melting point of several substance. what besy explains the high melting point of the salt?

How many molecules are found in 1.32 mol of nacl?

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.