Please help me with this!

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.

What is the value of keq for the reaction expressed in scientific notation?

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.