Potassium superoxide (KO2, 71.10 g/mol) can be used to generate oxygen gas. What is the theoretical yield (accepted) of O2 (32.00 g/mol) if 500.0 g KO2 reacts with excess H2O (18.02 g/mol)?

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.

Which other elements contain the same number of outer electrons as sodium

If a gas has an initial pressure of 101kpa and a volume of 10l, then it expands to a volume of 20l, what is the new pressure?