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3 years ago

What happens to the molecules when a gas is compressed?

Physics

2 answers:

timama [110]3 years ago

6 0

Answer:

B. There is a drop in temperature

C. increases when pressure decreases

Explanation:

With constant pressure, the volume is proportional to the temperature. Since the temperature is directly related to the average kinetic energy of the gas molecules. So, the lower the volume (compression), the lower the speed of the molecules (temperature).

On the other hand. With constant temperature, when the pressure increases, the volume drops, while if the pressure decreases the volume increases.

gulaghasi [49]3 years ago

5 0

The first answer is c the second answer would be d

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amm1812

Answer:

low pressure systems

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3 years ago

A tall cylinder contains 25 cm of water. Oil is carefully poured into the cylinder, where it floats on top of the water, until t

Fed [463]

Answer: $377.3\ kPa$

Explanation:

Given

Water column height $h=25\ cm$

After oil is poured, the total height becomes $h'=40\ cm$

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3 years ago

Estimate the mass of water that must evaporate from the skin to cool the body by 0.55 ∘c. assume a body mass of 100 kg and assum

Gala2k [10]

Heat required to decrease the temperature of body is given as

$Q = ms\Delta T$

here given that

$m = 100 kg$

$s = 4 J/g ^0C = 4000 J/Kg ^0C$

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now by above equation

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$Q = 220,000 J$

now in order to evaporate water the heat is given as

$Q = mL$

$220000 = m \times 2.25 \times 10^6$

$m = 0.097 kg$

$m = 97 g$

so 97 g of water will evaporate from the body

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Strike441 [17]

Answer:

Derived, or expended

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