What do you think might be some disadvantages of solar energy?

The electronegativity is 2.1 for h and 1.9 for pb. based on these electronegativities pbh4 would be expected to

Compared to the ph of saliva, the ph of stomach juices is a. the same. b. higher. c. lower. d. unpredictable.

Which element is oxidized in the reaction below? fe (co) 5 (l) + 2hi (g) → fe (co) 4i2 (s) + co (g) + h2 (g) a. c?

What items are minerals or contain minerals

Methanol, CH3OH, is a useful fuel that can be made as follows: CO (g) + 2H2 (g) → CH3OH (l) A reaction mixture used 12.0 g of H2 and 74.5 g of CO. (a) Determine the theoretical yield of CH3OH.

How many chemical bonds do you expect ekasilicon to have and why

Express the rate of reaction in terms of the change in concentration of each of the reactants and products. 2A (g) → B (g) + C (g)

A type of element that has some of the properties of metals and some of nonmetals is called a

DDT is: A. banned in the United States B. still being used in other countries C. to blame for the near extinction of some bird species D. all of the above

7) Sodium is much more apt to exist as a cation than chlorine because: a) chlorine is a gas and sodium is a solid b) chlorine has a greater electron affinity than sodium c) chlorine is bigger than sodium d) chlorine has a greater ionization energy