Which laboratory test result can be used to determine if KCl (s) is an electrolyte?

(1) pH of KCl (aq)

(2) pH of KCl (s)

(3) electrical conductivity of KCl (aq)

(4) electrical conductivity of KCl (s)

To find the atomic mass (atomic weight) of an atom you need to know ... a. How many protons are in the atom b. How many neutrons are in the atom c. The average number of protons and neutrons of all like substances on Earth (example - silver) d.

Why should pyrotechnicians worry about the yield of the reactants in a firework? How does the yield affect the firework and the environment?

Select all that apply. What do glucose, starch, and cellulose have in common? A. They are various forms of sugars. B. They are various forms of proteins. C. They are all carbohydrates. D. They are all used by plants in some way.

True or false The actual yield of a product in a chemical reaction should not exceed its theoretical yield.

How many grams of zinc will he formed if 32 g of copper reacts with zinc nitrate?

A metal block has a mass of 122 grams and measures 2cm x 2cm x 4cm. What is the density of the block?

What are valency and radicals

Tell me some bad effects of Ethanol

How many moles of carbon dioxide are released daily by a humming birds respiration?

If a scientist creates a new rock-like substance in a laboratory, why wouldn't this type of material be classified as a true mineral?