What is the mass of a 1.68-l sample of a liquid that has a density of 0.921g/ml?

How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same

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.

8) warming your hands by a fire is an example if which heat transfer? a. conduction b. convection c. radiation d. none of these