What is the name of the polyatomic ion in the compound Na2O2?

(1) hydroxide (3) oxide

(2) oxalate (4) peroxide

A solution that contains the maximum amount of dissolved solute in a fixed quantity of solvent at a particular temperture is called a (n) solution.

An atom has 25 protons, 20 neutrons, and 19 electrons. Which atom is this, What is the atom's mass number?

The ideal gas equation is PV=nRT where P is pressure, V is volume, n is the number of moles, R is a constant, and T is temperature.

The thermal decomposition of dimethyl ether (C H 3) 2 O (g) → C H 4 (g) H 2 (g) CO (g) is to be carried out in an isothermal 2.00-liter laboratory reactor at 600°C. The reactor is charged with pure dimethyl ether at a pressure of 350 torr.

They these 9. How many grams of Alenin (ca), is there in 3.9 moles of Ca? 10. How many grams of koH is there in 6.0l moles of KOM? 11. How mang grams of NH3 is there in 5.00 moles of Nitz? How many grams of He is there in 45 moles of H₂?

Water is a colorless and odorless liquid. It can exist in solid, liquid, and gas states. It boils at 100 degrees C and melts at 0 degrees C. Which option best describes this information? A. These are the physical properties of water. B.

What can happen to a supersaturated silution?

What is the source for georthermal energy

What senses will we use only with permission from a teacher or adult in Physical Science Labs?

Where is chemistry used?