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I am Lyosha [343]
3 years ago
11

O

Chemistry
1 answer:
baherus [9]3 years ago
8 0
The answer is the first one I think
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The weathering of a tall mountain down into a low-lying hill is an example of a landform being changed through a ______ process
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Determine the temperature of 1.42 mol of a gas contained in a 3.00-L container at a pressure of 123 kPa
Rashid [163]

Answer:

The temperature is 30,92K

Explanation:

We use the formula PV=nRT. We convert the unit of pressure in kPa into atm.

101,325kPa----1atm

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PV=nRT---->T= (PV)/(RT)

T=(1,2 atm x 3L)/(1,42 mol x 0,082 l atm/K mol )= 30, 91721058 K

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4 years ago
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