The average speed at T1K and most probable
speed at T2K of Co, gas is 9 x 10^4 cm/sec. The
values of T1, and T2 are
1) 2143 K; 1694 K
2) 1726 K ; 2126 K
3) 1684 K; 2143 K
4) 1684 K ; 3368K
speed at T2K of Co, gas is 9 x 10^4 cm/sec. The
values of T1, and T2 are
1) 2143 K; 1694 K
2) 1726 K ; 2126 K
3) 1684 K; 2143 K
4) 1684 K ; 3368K
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Answer:
Average speed =
(
πm
8RT
)
Most probable speed =
(
m
2RT
)
Average speed at T
1
K = MP speed at T
2
KforCO
2
(
πm
8RT
1
)
=
(
m
2RT
2
)
T
2
T
1
=
4
π
------(i)
Also for CO
2
u
mp
=
(
m
2RT
)
=9×10
4
=
44
2×8.314×10
7
×T
2
=9×10
4
By eq (1) We get
T
2
=2143K
T
1
=1684K
Hence answer is (C)