The graph that best shows the general relationship between the temperature of a gas and the speed of the molecules in that gas is B.
Kinetic energy is the energy that an object or particle has as a result of its motion. When work transferring energy, is done on an object by applying a net force, the object accelerates and goes under kinetic energy.
The missing graphs are attached as image.
The average kinetic energy of gas molecules is
[tex]K=\frac{3}{2} k_{B}T[/tex]
K∝T
So as per above equation, K-T graph is a straight line having a finite slope and passing through the origin.
Thus, option B is correct.
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