According to theory, which term best describes the universe before the big bang? a planet
a cloud of gas and dust
a star
a small densely packed ball of matter
Plz help

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.

Chemical kinetics what was the rate of reaction in trial 3? choose the closest answer.

Which metal exist in liquid state and can be cut with knife ?