a. The temperature of a substance does not change as the substance boils. Write two or three sentences to explain this at a molecular level. (2 points) b. How does the heat of vaporization of water compared to the heats of vaporization of other, similar substances

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen

Type the correct answer in the box. spell all words correctly. what is the correct term for living the most sustainable life you can within your current circumstances? when your are being as sustainable as you can within your current lifestyle, you are said to be sustainability.

8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm