Which of these molecules has the same number of shared electron pairs as unshared electron pairs? (a) hcl, (b) h2s, (c) pf3, (d) ccl2f2 (e) br2?

Explain how both nucleic acids and proteins are both polymers?

What dog is most like a wolf?

A scientist is studying the natural feeding habits of tigers. In order to obtain the best data, which approach should the scientist use? A. perform tests in the laboratory B. observe tigers in the zoo C. observe tigers in the wild D.

how to write a conversion factor that relates moles of HCL to moles of NiCO3 to the reaction of hydrochloric acid reacts with some reacts with solid nickel carbonate

G how many protons, neutrons, and electrons are contained in the atom with the given atomic number and mass number? z = 36, a = 92

Several steps are involved in the industrial production of sulfuric acid. One step involves the oxidation of sulfur dioxide gas to form sulfur trioxide gas. A catalyst is used to increase the rate of production of sulfur trioxide gas.

All energy waves other than the visible light spectrum cannot be seen. true or false

Describe two important functions for carbon dioxide in the atmosphere.

In the chemical reaction: 2 h 2 (g) o2 (g) → 2 h2o (g), with 8 grams of h 2 (2 grams/mole) and 16 grams of o2 (32 grams/mole) and the reaction goes to completion, what is the excess reactant and how much of that would remain

What is the volume of a gold nugget that weighs 2.20 kg? The density of gold is 19.28 g/cc.