50pts when an electric current is passed through water during the process of electrolysis, two gases are formed. one gas has a boiling point of -183c degree and the other has a boiling point of -253c degree. has a physical or chemical change occurred?

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.

How many moles of oxygen gas are produced from the decomposition of six moles of potassium chlorate

Which words or phrases identify layers of groundwater? check all that apply. water table kettle lake saturation zone underground lake sinkhole will give brainiest, answer quickly.