*PLEASE HELP:( 68 POINTS* Nitrogen combines with oxygen to form several different compounds containing only nitrogen and oxygen. Calculate the empirical formulas of the compounds if they contain the following percentages of nitrogen: a) 30.43% b) 25.93% c)36.84% d) 46.67% e) 63.63% (Hint: you will have 5 answers. You will need to subtract each % from 100 in order to find the % oxygen)

During trial 2, what allowed you to determine that aluminum was the limiting reactant? check all that apply. all of the copper dissolved. all of the aluminum dissolved. the solution turned clear. the number of grams of copper(ii) chloride used in the reaction was greater than the number of grams of aluminum. the molar ratio of copper(ii) chloride to aluminum was greater than 3: 2, the equation’s molar ratio.

Miner's coal distributors does not mine coal itself, nor does it even store or handle the coal. instead, miner's solicits orders for low sulfur coal from other firms, then purchases the required amount from suppliers and directs them to ship the coal to its customers. what is miner's

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt