What indicates a chemical change?

A) Change from a liquid to a gas

B) Change in the amount of material

C) Change in the type of substance present

D) Change in the texture of a substance

H2O (g) + Cl2O (g) ↔ 2 HOCl (g) (a) Initially, 0.0555 mol H2O and 0.0230 mol Cl2O are mixed in a 1.00 L flask. At equilibrium, there is found to be 0.0200 mol of HOCl (g). Calculate the concentrations of H2O (g) and Cl2O (g) at equilibrium.

Two liquids that are soluble in each other in any proportion are said to be what?

What is the empirical formula of a substance that contains 2.64g of C, 0.444g H and 3.52g of O

A balanced chemical equation allows one to determine the A) mechanism involved in the reaction. B) electron configuration of all the elements in the reaction. C) energy released in the reaction. D) mole ratio of any 2 substances in the reaction.

Differentiate between acids and bases on the basis of their pH values. Give an example of each type.

A gas in a rigid container is heated so that it's kelvin temperature doubles. What happens to its pressure

Common cause of biological contamination

Whcih kind if material would best accomplish this task

List at least two chemical reactions that resulted in a yellow, orange, or red precipitate. For these reactions, list the possible chemical name of the precipitate.

You place air in a sealed can at stp. ypu triple its absolute temperture (K) while leaveing the volume constant. what happenes to the pressure