When the temperature of a gas is increases within a closed container, pressure increases due to which of the following? A. The frequency of collisions between molecules and the container walls decreases.

B. The frequency of collisions between molecules and the container walls increases.

C. The spaces between the molecules of gas decrease.

D. The gas turns into a liquid.

Asample of freon gas has a volume of 2.23 liters, a pressure of 4.85 kpa, and a temperature of -1.36°c. calculate the volume at a pressure of 1.38 kpa and a temperature of 5.5°c. (show work)

The characteristics 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 an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.

What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?