Write the molecular formula for a compound with the possible elements c, h, n and o that exhibits a molecular ion at m + = 100.090.

Bill dropped in to see Sarah. How long is it appropriate for him to stay? 15 minutes 30 minutes one hour

What does the atomic numbrr represent on the periodic table?

At a particular temperature, a 3.0 - L flask contains 2.4 mol Cl2,. 1.0 mol NOCl, and 4.5 x 10-3 mol NO. Calculate K at this. temperature for the following reaction:. 2NOCl (g) ↔ 2NO (g) + Cl2 (g)

What do we now call the negative particles that Thomson said were parts of all atoms? protons electrons neutrons cathode rays

In an aqueous solution of potassium chloride the solute is

Calculate the pH of 0.65 M H2SO4 (sulfuric acid) solution? (Ka2: 1.1x10-2)

Ozone reacts completely with NO, producing NO2 and O2. A 13.0 L vessel is filled with 1.30 mol of NO and 1.30 mol of O3 at 401.0 K. Find the partial pressure of each product and the total pressure in the flask at the end of the reaction.

Which particles make up the nucleus of an atom? protons and electrons neutrons and electrons protons only protons and neutrons neutrons only

An egg is fried is that a physical or a chemical change

How many mono-; di -; and trichloro derivatives are possible for cyclopentane?