What is the E°cell for the cell represented by the combination of the following half-reactions? 2Hg2+(aq) + 2e– --> Hg22+(aq) E°= 0.92 V Cr3+ (aq) + 3e– --> Cr(s) E°= –0.74 V

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.

Alarge marble is dropped in a graduated cylinder with 35ml of water in it. the water level increases to 49ml. what is the volume of the marble

What is the lowest number energy level where a d sublevel is found