12. Ideal gas law; PV nRT, what is R value? (a) 8.031J/mol K (b) 8.301J/mol K (c
ID: 1785123 • Letter: 1
Question
12. Ideal gas law; PV nRT, what is R value? (a) 8.031J/mol K (b) 8.301J/mol K (c) 8.310J/mol K (d) None 13. Kinetic Theory of Gases Assumptions explains! (a) All molecules in the gas are identical (b) The molecules interact only by short-range forces during elastic collisions (c) The molecules obey Newton's laws of motion (d) All of the above 14. Pressure (P) of an Ideal gas is (a) 5/2 (N/M) (/2mv) (b) 2/3 (N/V) (1/2mv) (c) 1/2 (NM) (1/2mv2) (d) None 15. The average molecular kinetic energy (K.E.) of the gas is (a) 3/2kT (b) 5/2 keT (c) 7/2 kaT (d) None 16. The total transiational kinetic energy is (a) 3/2 (n/RT) (b) 3/2 (nR/T) (c) 3/2 (nRT) (d) None 17. In case of polyatomic gas, the internal energy obtained from (a) Translational K.E (b) Rotational K.E (c) Vibrational energy KE (d) All 18. In monoatomic gas the internol energy (U) is (a) nRT (b) 3/2 nRT (c)% nRT (d) None 19. the root-mean-square (rms) speed is (a) (3RT/M) (b) (3RT/M)32 (c) (BRT/M) (d) None 20. In case of Maxwell Distribution, 3-types of speeds are of interest such as (a) Most probable (b) Average (c)r.m.s (d) AllExplanation / Answer
Q12.
R = 8.314 J/mol K
So, option d - none
Q13.
a) All molecules of the gas are identical.
Q14.
Pressure due to an ideal gas is given by p = (1/3).(mN/V)*v^2
So option b - 2/3 (N/V) (1/2 mv^2)
Pls post other ques separately.
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