When placed in a 100-ml square box, a substance has a spherical shape and has a volume of 50 ml. when placed in a 100-ml circular tube, that same substance has a spherical shape and a 50-ml volume. in what phase or state was the substance?

Bose-einstein condensation occurs at what temperature?

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.

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.