Agiven sample of a xenon fluoride compound contains molecules of a single type xefn, where n is some whole number. given that 8.06  1020 molecules of xefn weigh 0.227 g, calculate n.

The value of n =2.

Explanation:

According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP and contains avogadro's number of particles.

To calculate the moles, we use the equation:

0.0013 moles of weigh = 0.227 grams

Thus 1 mole of  will weigh =  grams

Molar mass of =

Thus the value of n =2

both adhesion and cohesion are attractions.

they are different in that adhesion is the force of attraction between the molecules of two different substances, whereas cohesion is the force of attraction between molecules of the same substance.

possible examples include capillary action, in which the adhesion between water and glass causes the water to rise in a narrow tube against the force of gravity.

because of hydrogen bonding, water is extremely cohesive.

this causes molecules on the surface of water to be drawn inward, which is why drops of water form beads on smooth surfaces.

hope this .

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