What is the mol of 1 5 x 10^26

Xas shown in table 15.2, kp for the equilibrium n21g2 + 3 h21g2 δ 2 nh31g2 is 4.51 * 10-5 at 450 °c. for each of the mixtures listed here, indicate whether the mixture is at equilibrium at 450 °c.

What is the empirical formula for a compound if a sample contains 3.72 g of P and 21.28 g of Cl?

Take an empty aluminum soda can and add a few drops of water to the inside of the can. Cover the opening with a piece of scotch tape, then puncture a small (pin-size) hole in the tape to allow a small amount of airflow.

If a gas is measured to have a pressure of 1.2 atm at 227 K, and its origina temperature was 199 K, find its original pressure if volume remains unchanged.

What are the very small particles that make up all matter?

Which of these elements elements has an electron configuration of [Kr]5s2

Which of the elements listed is the most abundant extracellular anion?

What is the chemical formula for the chemical magnesium nitride?

Why are parentheses used to write the formula AI (OH) 3

Calculate the molar mass of (NH4) 2SO4. molar mass of (NH4) 2SO4=__N*__+__*__+__*__+__ O*__=__ g/mol (total)