To get the vapor pressure of the resulting solution, we use
the Raoult’s Law:
Psolution = (χsolvent) (P°solvent)
1st: Calculate the mol fraction of the solvent.
In this case, water is the solvent.
χsolvent = 3.7 mol / (3.7 mol + 0.6 mol)
χsolvent = 0.86
<span>2nd: Calculate the
vapor pressure.</span>
Psolution = (0.86) (23.8 torr)
Psolution<span> = 20.48 torr</span>
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<span>Work=effective force x distance = 300cos36. 100 ft.lb.</span>
Answer:

Explanation:
Given:
- mass of skier,

- initial velocity of skier,

- height of the hill,

- spring constant,

<u>final velocity of skier before coming in contact of spring:</u>
Using eq. of motion:



<u>Now the time taken by the skier to reach down:</u>



<u>Now we calculate force using Newton's second law:</u>




<u>∴Compression in spring before the skier momentarily comes to rest:</u>




Answer:
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Answer: 1,350cm³
Explanation:
Volume = LWH
= 30 × 15 × 3 = <u>1</u>,<u>350cm</u>³