Which of the following is true about a change from a solid to a liquid? the particles speed up. the particles slow down. the particles remain at the same energy level. the particles get closer together.

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.

Answer asap : ( a. how does mucus prevent the entry of pathogens? b. describe two ways white blood cells protect us from pathogens.

Which scenario is most similar to the type of collision that gas particles have according to kinetic molecular theory