Aluminum metal reacts with oxygen gas to produce aluminum oxide. Determine the exact volume of oxygen gas needed to react completely with 10g of Al at STP.​

Which of these features are formed when hot groundwater is forced out through cracks in the earth's surface?

Two solids are mixed in a flask and stirred. after a few minutes, the flask becomes cold. which of the following best describes this reaction? a. an exothermic reaction b. a combustion reaction c. an endothermic reaction d. a decomposition reaction

How can liquids be seperated by density a the liquids are absorbed onto a paper b the liquids are turned into seperate vapors c the liquids are collected as they evaporate d the liquids are allowed to seperate into layers