If a 2.8 mole sample of gas initially occupies 54 L at 3.8 atm, what is its temperature in K?

n=

R=

T=

To keep dry ice from forming into a gas what needs to happening?

In the electron cloud model, if you begin at the electron shell closest to the nucleus of an atom and move out, what is the number of electrons that each energy level or electron shell needs to fill the first four electron shells? A. 2, 6, 10, 14 B.

What had its tempature changed in the "solubility" lab? A. Entire solution B. Solvent C. Solute

Why does diving 30m below sea level affect our bodies more than being in a building 30m above sea level?

What are the two groips of minerals based on chemical composition?

You might separate a mixture of aniline, p-cresol, benzoic acid, and toluene using ordinary laboratory reagents. 1. dissolving the mixture in a water-immiscible organic solvent - NaHCO3, H2O, CH2Cl2 2.

A chemical element is a pure substance that consists entirely of one type of what

Calculate the mass percent composition of sulfur in Al2 (SO4) 3. Calculate the mass percent composition of sulfur in Al2 (SO4) 3. 28.12 % 42.73 % 35.97 % 9.372 % 21.38 %

What is a striking a match an example of

In any ordinary chemical reaction, matter is neither created nor destroyed; it is simply changed from one chemical substance to another. This principle is called the Law of: