Boron oxide (B2O3) decomposes into boron (B) and oxygen gas (O2). What will the ratio of boron and oxygen atoms be? Complete the reaction and balance it so you can determine the ratio in the products.

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.

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.