Which atom (ba or i) would accept electrons from the other atom to satisfy the octet rule?

How many molecules are found in 1.32 mol of nacl?

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

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?