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Misha Larkins [42]
3 years ago
12

Why is the arm often described as a sort of lever?

Chemistry
2 answers:
siniylev [52]3 years ago
8 0

Answer:

because the bones in the arm often pivot just like a lever does.

Korolek [52]3 years ago
3 0
The long bones in the arm pivot around the elbow like a lever!
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Suppose Gabor, a scuba diver, is at a depth of 15m15m. Assume that: The air pressure in his air tract is the same as the net wat
alexandr1967 [171]

Answer:

The ration of molar concentration is "2.5".

Explanation:

The given values are:

Average density of salt water,

= 1.03 \ g/cm^3

Net pressure,

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= 1.00 \ atm

Now,

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hence,

The ratio will be:

=  \frac{(\frac{n}{V})_{15m} }{(\frac{n}{V})_{surface} }

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=  \frac{2.5}{1}

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3 years ago
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melamori03 [73]
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<span>The answer is that the number of water molecules  increases and that of vapor decreases.  When energy is removed from the system it would do so mostly as heat. Therefore the energy in the system would decrease and the molecules would vibrate at lower energies. Therefore, several water vapor molecules would turn back to water.  </span>






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