Question

calculate the energy of 1 mole of nitrogen gas at 27°C. compare the energy of 1 mole of hydrogen gas this temperature with the corresponding value of nitrogen gas​

Answer 1

Answer:

Internal energy of 1 mole of hydrogen gas and nitrogen gas will be same and equal to 6232.5 J

Explanation:

As we know that internal energy of an ideal gas is given by the formula

$U = \frac{f}{2}nRT$

here we know that

f = degree of freedom of gas

for all diatomic gas we have 5 degrees of freedom

So we will have

$U = \frac{5}{2}(1)(8.31)(300)$

$U = 6232.5 J$

Now we know that hydrogen as well as Nitrogen both are diatomic gas and both are given at same temperature so both will have same energy.

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Topic : KTG

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