2 Chemistry Questions. Help?

1 answer:

3 0

<span>C-C and C-H bonds are relatively stable because

they have low bond dissociation energy

13. Dispersion forces are caused by the __________,

motion of electrons

Hope this answers the question. Have a nice day.</span>

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A sample of gas contains 3.0L of nitrogen at 320kPa. What volume would be necessary to decrease the pressure at 110kPa

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Answer:

$V_{2} = 8.92 L$

Explanation:

We have the equation for ideal gas expressed as:

PV=nRT

Being:

P = Pressure

V = Volume

n = molar number

R = Universal gas constant

T = Temperature

From the statement of the problem I infer that we are looking to change the volume and the pressure, maintaining the temperature, so I can calculate the right side of the equation with the data of the initial condition of the gas:

$P_{1} V_{1} =nRT$