Calculate the mass in grams for 2.28 moles of N2

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

In an exothermic reaction the bonding energy of the product is: less than the reactants same as the reactants greater than the reactants dependent upon the presence of a catalyst

Which of the following are sources of revenue for media companies? a. direct sales to producers b.advertising and subscriptions c. online purchase d. capital investments