mass of a molecule of hydrogen gas is about 334/100000000000000000000 tonnes
please answer me
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Answer:
2.35×10cube N/m^
Step-by-step explanation:
Given : u=10
3
m/s m=3.32×10
−27
kg n=10
23
H
2
molecules per sec.
Change in momentum along y-axis of one H
2
molecule ΔP=mucos45
o
−(−mucos45
o
)
⟹ ΔP=2mucos45
o
Total change in momentum along y-axis of all H
2
molecule in one second ΔP
T
=2nmucos45
o
Area of the wall A=2 cm
2
=2×10
−4
m
2
Net pressure P=
A
ΔP
T
=
2×10
−4
2×10
23
×3.32×10
−27
×10
3
×0.707
=2.35×10
3
N/m
2
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