Which of the following is a quantitative observation? select one: a) all of the listed answers are correct b) none of the listed answers are correct c) carbon dioxide was produced. e) the liquid looked yellow. d) the object had a mass of 2.3 grams. f) a yellow solid formed.

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.

Achef makes salad dressing by mixing oil, vinegar, and spices, as shown. which type of matter is the salad dressing?

Which description best characterizes the motion of particles in a solid?