(a) Two identical open boxes originally contain the same volume of water. One is kept at 15°C and the other at 85°C for the same
length of time.
Fig. 4.1 shows the final water levels.
With reference to the energies of the water molecules, explain why the levels are different.
Fig. 4.1 shows the final water levels.
With reference to the energies of the water molecules, explain why the levels are different.
1 answer:
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1) 
<Solve using the formula which is:
Mass=Density×Volume
2)
3)
(Length × Width × Height)
(Answer=7.5)
Mass=Density×Volume
2)
3)
Answer:
Pressure, P = 3724 Pa
Explanation:
Given that,
Depth of water,
Depth of oil,
The density of water,
The densinty of oil,
We need to find the gauge pressure at the bottom of the cylinder. So, total pressure is equal to :
So, the gauge pressure at the bottom of the cylinder is 3724 Pa.