What is the oxidation number of the chromium atom in k2cro4? what is the oxidation number of the chromium atom in? + 2 + 6 - 3 - 7 + 4?

If you need to extract a 50 ml aqueous solution with 50 ml of dichloromethane, what is the minimum size of a separatory funnel you will have to use to safely carry out this procedure? briefly explain your answer.

What is the justification required to make an arrest?

Murein lipoprotein is critical for maintaining the integrity of the Gram-negative cell envelope and has potent immunostimulatory effects that are similar to bacterial endotoxin.

Gaseous ethane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water. Suppose 2.71 g of ethane is mixed with 7.6 g of oxygen. Calculate the maximum mass of carbon dioxide that could be produced by the chemical reaction.

What is the study of matter energy and its ability to change

What are moles in chemistry?

The specific temperature at which a substance changes from a liquid to a gas is an example of a a. chemical bond. b. chemical change. c. physical property. d. chemical property.

The electrical conductivity of an aqueous solution depends on the concentration of which particle in the solution

Pieces of metal are welded together in an atmosphere of argon. Explain why an atmosphere of argon is used.

En que estado esta el nitrógeno en el cuerpo