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katrin2010 [14]
3 years ago
6

Describe outer core.

Chemistry
1 answer:
Naily [24]3 years ago
7 0
Earth's outer core is a fluid layer about 2,400 km (1,500 mi) thick and composed of mostly iron and nickel that lies above Earth's solid inner core and below its mantle. Its outer boundary lies 2,890 km (1,800 mi) beneath Earth's surface. ... Unlike the inner (or solid) core, the outer core is liquid. Hope this helps
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A steel cylinder of oxygen is being store in a room at 25.0 °C under a pressure of 1250 atm. What pressure would be exerted by t
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Answer:

P₂ = 1312.88 atm

Explanation:

Given data:

Initial temperature = 25°C

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Final temperature = 40°C

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Solution:

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Final temperature = 40°C ( 40+273.15 = 313.15 k)

The pressure of given amount of a gas is directly proportional to its temperature at constant volume and number of moles.

Mathematical relationship:

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Now we will put the values in formula:

1250 atm / 298.15 K = P₂/313.15 K

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P₂ = 391437.5 atm. K /298.15 K

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