Characteristics of Gases 1) Gases have neither definite shape nor definite volume. They take up the shape and volume of the container. 2) They have lower density than liquids and solids. 3) They are highly compressible 4) Gases intermix completely in all proportion without any mechanical aid. 5) They exert pressure equally in all direction. Measurement of … [Read more...] about Characteristics of Gases
number of moles
Mole concept
Question 1 Define a mole? Question 2 What is the value of Avogadro's constant? Question 3 Define mole of an atom? Question 4 Define mole of a molecule? Question 5 Write the formula to calculate the number of moles? Mole Concept In a chemical reaction equation,it is more convenient to use quantity of substance in number of its molecules or atoms rather … [Read more...] about Mole concept