Joelle is a manager at a construction company, and she is interested in the chemistry behind the materials they use. She has begun studying the materials used to fill walls. She knows that to keep the temperature inside a room steady the material must be a thermal insulator, and she predicts that materials should not be acidic or else they would dissolve too easily in water. Which of these is a molecular ingredient that could be used in a wall-filling material ?

C6H6
Na6Ba6
NeNa
HCl

C6H6

Explanation:

Now let us take a recap of Joelle's criteria for a wall filling material;

1) the material must be a thermal insulator

2) materials should not be acidic

3) they will not dissolve too easily in water.

If we consider the options provided, Na6Ba6  and NeNa do not exist. HCl is an acid and does not match Joelle's criteria. Hence the answer must be C6H6.

i think a, hope it .

explanation:

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.