A laboratory assistant reacts ammonia and nitric acid to get a test batch of ammonium nitrate. The theoretical yield was 872.7 grams of product, but the process yielded only 529.4 grams of the product. What was the percent yield?

In an electron dot diagram of ethylene (C2H4), how many double bonds are present? A. none B. one C. two D. three

What is the properties of solid and liquid?

What kind of chemical do you use to remove old polish for customer who has artificial nails?

Are temperature and heat physical or chemical properties?

List two traits that are similar between the puppies. your answer:

Why are elements in the tall columns of the periodic table called "representative elements"? A. They all have the same number of isotopes. B. They represent the elements on Mendeleev's table. C. They follow a pattern for valence electrons. D.

If a nitrogen atom has a - 3 net charge, how many electrons does it have?

Calculate the pH of lemon juice to three significant figures, with a hydrogen ion concentration of 2.12 x 10^-3 mol dm^-3

If the Kb of a weak base is 4.6 * 10-6, what is the pH of a 0.32 M solution of this base?

What mass in grams of ethylene oxide is needed to react with 18 g of water?