Which of the following procedures is used when refining petroleum? decrease the pressure of the oil
increase the pressure of the oil
decrease the temperature of the oil
increase the temperature of the oil

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.

Mercury turns to a vapor at 629.88 k. how much heat is lost when 75.0 g of mercury vapor at 650 k condenses to a liquid at 297 k?

Witch two conditions can limit the usefulness of the kinetic molecular theory in describing gas behavior?