Which of the following has zero dipole moment?

a. NH3

b. NO2

c. PF5

d. HCN

Why can't all mixtures be classified as solutions?

How many liters of octane are in a shipping container that contains 45 moles? A. 45 liters B. 450 moles C. 2 moles D. 1,008 liters

What does a reduction potential chart show? What information does it give?

Which issue is a limitation of using synthetic polymers? Check all that apply. As trash, synthetic polymers are not biodegradable. Landfills can easily fill up with synthetic polymers. Plastics can be made into many different products.

How do you think the number of valence electrons relates to an element's chemical properties?

Suggest 2 reasons why copper should not be disposed in landfill sites

Give an example for each of the four basic substances of a cell (carbogydrates, proteins, lipids, and nucleic acids)

The four main reservoirs of carbon are the A. Glaciers, trees, living animals, and atmosphere. B. Atmosphere, terrestrial biosphere, oceans, and sediments. C. Air, soil, plants, and freshwater. D. Oceans, soil, ice caps, and plants.

Beryllium, Be, and chlorine, Ci, form a binary ionic compund with a one-to-two ration of beryllium ions to chloride ions. The formula for the compund is A) Be2Cl B) BeCl C) BeCl2 D) Be2Cl2

Homogeneous mixtures are: a. Mixtures that have 1 phase or layers b. Solutions that consists of only one type of atom c. Two or more elements that have been chemically combined d. Solutions that consists of two or more elements