Determine the volume, in liters, of 2.25 mol N2 at STP. The molar mass of N2 is 28.01 g/mol. Round your answer to the nearest tenth.

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

Select all of the methods through which a drug can enter your body. injection swallowing inhalation absorption

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.