The answer is 12.4.I think its correct answer.
Force /Area = Pressure
Force = Pressure * Area
<span>Force = 1065 * 17 = 18105 N</span>
Atoms are never rearranged
Answer:
10B has 18.9%
11B has 81.1%
Explanation:Please see attachment for explanation
Answer:
147.2g
Explanation:
The full solution can be found in the image attached. Graham's law was applied to the problem. The rate of diffusion of a gas is inversely proportional to its molar mass or vapour density. Molar mass= 2vapour density