Pennyium has 2 isotopes, Pennyium-24 with an abundance of 67.5% and Pennyium-25 with an abundance of 32.5%. Find the AAM for Pennyium.
2 points

Which of the following two events occur to create a sea breeze? select all that apply. warm air rises on the ocean and moves toward the land to cool warm air rises on land and moves toward the ocean to cool cool air moves from the ocean to be warmed by the land cool air moves from the land to be warmed by the ocean

Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?

Kp is the equilibrium constant for dissociation of the propionic acid dimer. what is the sign of the slope for a plot of the natural logarithm of kp vs. inverse temperature for this reaction?