Does pressure decrease when a gas is removed

If the temperature of a 5 L sample of gas is lowered from 400k to 200k, what will the resulting volume of the gas be? Question 4 options: 10 L 50 L 2.5 mL 2.5 L

Which is a characteristics of nuclear fission

4.5 x 10^25 atoms of nickel equal how many moles? A) 27 mol B) 2.7 x 10^48 mol C) 0.75 mol D) 75 mol

How do you determine the frequency of light whose wavelength is 4.257x10^-7?

What Newton's law is this a example of: When a bullet is fired from a rifle through a small explosion. The rifle shooting the bullet is pushed backwards after the explosion.

8. The best way to obtain pure, solid household salt from a solid mixture of household salt and sand is to: A: add water, stir and leave the solution to completely evaporate B: filter, add water, stir and then evaporate the filtrate C: add water,

Why does j hope hate snakeu

During a laboratory activity, a student combined two solutions. In the laboratory report, the student wrote "A yellow color appeared." The statement represents the student's recorded (1) conclusion (3) hypothesis (2) observation (4) inference

Roxanne was asked by her teacher to explain why sodium ions (Na) and chlorine ions (CI) combine into sodium chloride (NaCl). Roxanne said it was because chlorine is highly electronegative and sodium has a low ionization energy.

A substance is composed of one kind of atom and can't be separated into simpler substances or converted into another substance by chemical pressure. Under which category would you classify this substance