Calculate the number of vacancies per cubic meter for some metal, M, at 773°C. The energy for vacancy formation is 0.97 eV/atom, while the density and atomic weight for this metal are 7.81 g/cm3 (at 773°C) and 67.81 g/mol, respectively.

Which method is the typical first step when scientists communicate their scientific results? A. placing the results on an Internet site to maximize readership B. distributing the results in press releases to make them well established C.

What is the chemical symbol for gold?

3. In the formation of acid rain, sulfur dioxide reacts with oxygen and water in the air to form sulfuric acid. Write a balanced chemical equation for the reaction. If 2.

5.80 mol of solid A was placed in a sealed 1.00-L container and allowed to decompose into gaseous B and C. The concentration of B steadily increased until it reached 1.20 M, where it remained constant.

If we add mass to a paper airplane then the distance of the paper airplane will increase or decrease why?

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?