Which of the following changes would increase the pressure of a gas if moles are held constant?

A. Part of the gas is removed

B. The temperature is decreased

C. Nothing is changed

D. The container size is decreased

Explain following terms briefly: a. Intermolecular potential energy b. The Lennard-Jones potential c. Zeroth law of thermodynamics d. System, closed system, open system, and isolated system e. Equilibrium f.

The number 40 in the name calcium-40 represents A. the atomic number B. the number of protons in the atom C. the sum of the protons and neutrons D. none of these

What makes a theory scientific? this is for earth and space science.

H2 how many elements?

What do you find in an energy shell

A graduated cylinder is filled to the 40.00-mL mark with a mineral oil. The masses of the cylinder before and after the addition of the mineral oil are 124.966 g and 159.446 g, respectively. In a separate experiment, a metal ball bearing of mass 18.

Which element in Group 15 has the greatest metallic character? 1) N 2) P 3) Sb 4) Bi

Choose the statement below that is TRUE. A solution will form between two substances if solute-solvent interactions are of comparable strength to the solute-solute and solvent-solvent interactions.

When liquid silver nitrate and liquid sodium chloride are combined, solid silver chloride forms along with a new liquid, sodium nitrate. Witch substance represents the precipitate? Silver nitrate silver chloride sodium chloride sodium nitrate

The summer season at Arica and Rio de Janeiro Occurs from approximately