For a gas, which two variables are directly proportional to each other (if all other conditions remain constant)?1. T and n2. V and n3. V and T

Given a cylinder of fixed volume filled with 1 mol of argon gas, which of the following is correct? (Assume all gases obey the ideal gas law.)

For the elements Cs, F, and P, the order of increasing electronegativity is:

A 41.1-g sample of Ne gas exerts a certain pressure in a container of fixed volume. What mass of Ar is required to exert half the pressure at the same conditions of volume and temperature?

Three 1.00-L flasks at 25°C and 725 torr contain the gases CH4 (flask A), CO2 (flask B), and C2H6 (flask C).In which single flask do the molecules have the greatest mass, the greatest average velocity, and the highest kinetic energy?

Consider the molecule and the following hybridization choices:What is the hybridization of the carbon atom that is bonded to chlorine?

Mercury vapor contains Hg atoms. What is the volume of 201 g of mercury vapor at 822 K and 0.512 atm?

A gas sample is held at constant pressure. The gas occupies 3.62 L of volume when the temperature is 21.6°C. Determine the temperature at which the volume of the gas is 3.42 L.

You have a certain mass of helium gas (He) in a rigid steel container. You add the same mass of neon gas (Ne) to this container. Which of the following best describes what happens? Assume the temperature is constant.

The force between two bodies having identical electric charges