Write the symbol for every chemical element that has atomic number less than 16 and atomic mass greater than 24.0 u.

Energy is released during which phase changes? check all that apply. boiling condensing depositing freezing melting subliming

Achemist wants to extract copper metal from copper chloride solution. the chemist places 0.50 grams of aluminum foil in a solution containing 0.75 grams of copper (ii) chloride. a single replacement reaction takes place. (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction? a) approximately 0.36 grams, because copper (ii) chloride acts as a limiting reactant b) approximately 1.8 grams, because copper (ii) chloride acts as a limiting reactant c) approximately 0.36 grams, because aluminum acts as a limiting reactant d) approximately 1.8 grams, because aluminum acts as a limiting reactant

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?