Sulfur trioxide decomposes to form sulfur dioxide and oxygen, like this: SO3(g)SO2(g) + O2(g) Write the pressure equilibrium constant expression for this reaction.

Kp = P(SO2)  *   P(O2)  / P(SO3)

Explanation:

The equation is given as;

SO3(g)  --> SO2(g) + O2(g)

In the pressurer equilibrium constant expression, only the gaseous entities are considered.

It is given as;

Kp = P(products)   /  P(reactants)

Product are  SO2(g) and O2(g)

Reactant is SO3(g)

Kp = P(SO2)  *   P(O2)  / P(SO3)

specific gravity is the density of a substance divided by the density of water. since (at standard temperature and pressure) water has a density of 1 gram/cm3, and since all of the units cancel, specific gravity is usually very close to the same value as density

so "c" is the answer

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in chemistry, adhesion and cohesion are attractive forces that exist between molecules. they hold the molecules together from each other. they are different in that adhesive force exists between molecules of different substance while cohesive force happens between molecules of same substance.

adhesion between water and glass causes water molecules at the edge of water and glass interface to climb up the wall in a narrow glass tube. this is called capillary action. cohesion is what gives glass its shape and causes water to form a droplet.