Amixture of oxygen, hydrogen, and nitrogen exerts a total pressure of 378 kpa. if the partial pressures of oxygen and hydrogen are 212 kpa and 101 kpa respectively, what is the partial pressure exerted by nitrogen?

You have 125g of a certain seasoning and are told that it contains 76.0 g of salt what is the percentage of salt by mass in this seasoning

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of