Kinetic Theory Of Matter And Gas Laws Jamb Chemistry Past Questions
Question 11
To what temperature must a gas at 273k be heated in order to double both its volume and pressure?
- A. 298K
- B. 546K
- C. 819K
- D. 1092K
Question 12
A basic postulate of the kinetic theory of gases is that the molecules of a gas move in straight lines between collisions. This implies that
- A. collisions are perfectly elastic
- B. forces of repulsion exist
- C. forces of repulsion and attraction are in equilibrium
- D. collisions are inelastic
Question 13
The situation obtained when a perfect gas expands into a vacuum is
- A. ÎH is positive and TÎ S is zero
- B. ÎH is positive and T Î S is negative
- C. ÎH is negative and TÎ S is zero
- D. ÎH is zero and T Î S is positive
Question 14
Which of the gas laws does this graph illustrate?
- A. Boyle
- B. Charles
- C. Gay-Lussac
- D. Graham
Question 15
The volume occupied by 1.58g of a gas at S.T.P is 500cm\(^3\). What is the relative molecular mass of the gas? [ G.M.V at S.T.P = 22.4dm\(^{3}\) ]
- A. 28
- B. 32
- C. 44
- D. 71