A-Level CAIE Physics A2 15.3.2—How molecular movement causes the pressure exerted by a gas and derive and Question Bank
15.3.2—How molecular movement causes the pressure exerted by a gas and derive and
• explain how molecular movement causes the pressure exerted by a gas and derive and use the relationship pV = 1/3 Nm<c2>
• Where <c2> is the mean-square speed (a simple model considering one-dimensional collisions and then extending to three dimensions using 1/3 <c2> = <cx 2> is sufficient)
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