A chemist has a 100-gram sample of a compound that contains 17.096 grams of carbon, 2.186 grams of hydrogen, 10.844 grams of oxygen, 8.544 grams of nitrogen, 28.8618 grams of chlorine and 32.495 grams of bromine. What is the empirical formula of the compound?

Asample of ammonia reacts with oxygen as shown. 4nh3(g) + 5o2(g) 4no(g) + 6h2o(g) what is the limiting reactant if 4.0 g of nh3 react with 8.0 g of oxygen? o2 because it produces only 0.20 mol of no. nh3 because it produces only 0.20 mol of no. o2 because it produces two times less no than nh3. nh3 because it produces three times more no than o2.

An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have

Identify two types of chemical bonding in the source of dietary potassium