Asample of oxygen gas has a volume of 27.3 ml at 294 k. at what temperature would the gas have a volume of 40.0 ml

Which element would mostly likely have an electron affinity measuring closest to zero

An atom with 7 protons, 6 neutrons, and 7 electrons has an atomic mass of amu. (enter a whole number.) numerical answers expected! answer for blank 1:

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?