number of molecules of the gas
density of the gas molecules
number of collisions between the gas molecules
number of collisions between the gas molecules and the walls of the container
Correct answer is D
No explanation has been provided for this answer.
10.0 s
12.5 s
17.7 s
32.0 s
Correct answer is B
100 cm3 of O2 diffuse 50 sec
∴ 100 cm3 of H2 → (100) / (100) x (50) /(1)
t1 50 sec
molecular mass H+ → 2 x 1 = 2
molecular mass of O2 16 x 2 = 32
T2 = t1 √M2/M1 = t2 = 50 √2/32
50√0.625 = 50 x 0.25 = 12.5 secs
Which of the following is a measure of the average kinetic energy of the molecules of a substance?
Volume
Mass
pressure from age grades
Temperature
Correct answer is D
No explanation has been provided for this answer.
400 k
480 k
550 k
600 k
Correct answer is D
No explanation has been provided for this answer.
2,2,5 and 1
3,2,5 and 2
3,2,6 and 1
2,2,6 and 2
Correct answer is C
No explanation has been provided for this answer.