Question

Calculate the quantity of energy released when 783 g of steam condenses.

Answer 1

Answer: Metals are good conductor of electricity. it has free electrons on their surface. according to electron pool theory, each atom present in a metal crystal losses all of its valence electron and as a result a pool of free is form. these pool of electrons are free to move and   conduct electricity easily   while making metal as good conductor.

the correct answer is a. the ability of electrons to flow throughout the metal.

Explanation:

Venn diagram is a pictorial representation with of circles showing the relation between two finite sets or things. the intersection of two circles conveys the relation between those sets or things.

here in the Venn diagram of sand and salt two circles represent sand and salt. but the area falling under the intersection of these circles represents the mixture of sand and salt.

so, in a venn diagram the mixture will be placed in a middle that is in between the intersection of two circles.