Calculate the grams of ethane present in a sample containing 0.1821 moles if the molar mass of ethane is 30.067 g/mol.

Agas has a volume of 0.7 l at 300 mmhg. what would be the new volume at 900 mmhg

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.

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo