Calculate the enthalpy change when 4.00 mol cl2o7 is produced according to the following balanced equation: 2cl2(g) + 7o2(g) + 130kcal -> 2cl2o7(g) a. 1040 kcal b. -260 kcal c. 260 kcal d. -1040 kcal ** if you could explain it as well, that would be much appreciated if not, thats okay too its multiple choice

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 does a noncompetitive inhibitor reduce an enzyme’s activity?

Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize