0.25 mole of O2 will contain the same number of molecules as 0.25 mole of NH3.

true or false?

A 6.0-l vessel was found to contain 1.0 mol brcl3, 2.0 mol br2 and 6.0 mol cl2. what is the equilibrium constant, kc, for this equilibrium mixture for the reaction 2brcl3 (g) ? br2 (g) + 3cl2 (g) ?

Why is mRNA able to leave the nucleus and not DNA?

Identify the correct statement. A. It is not possible for two atoms to share more than two electrons. B. A covalent bond has a lower potential energy than the two separate atoms. C. Single bonds are shorter than double bonds. D.

Which Alkali Metal Carbonate? Imagine you are an analytical chemist and have received a sample of a pure alkali metal carbonate from a newly discovered deposit. Your task is to determine which alkali metal carbonate is present in the sample.

Name two gases which are supplied in compressed form in homes and hospitals?

For the reaction a+2b→c under a given set of conditions, the initial rate is 0.180 m/s. part a what is δ[b]/δt under the same conditions?

What is the number of oxygen atoms in the ring portion of the haworth structure of glucose?

Explain what it means by a balanced chemical equation

Which of the following compounds is not ionic? a. nai b. cacl2 c. co2 d. na2o

Why does sugar mix more in hot water than in cold water?