0.6500 moles of H₂(g) are injected into a previously evacuated 1.00 L flask. The pressure is determined tobe 15.0 atm. What is the temperature of the gas under these conditions (in "C)?

Respuesta :

Answer:

The temperature of the gas is 8.28 °C.

Explanation:

The given information from the exercise is:

- Number of moles (n): 0.6500 moles

- Volume (V): 1.00L

- Pressure (P): 15.0atm

With the Ideal Gases Law formula, we can calculate the temperature of the gas, by replacing the values of n, V and P:

[tex]\begin{gathered} P*V=n*R*T \\ 15.0atm*1.00L=0.6500mol*0.082\frac{atm*L}{mol*K}*T \\ 15.0atm*L=0.0533\frac{atm*L}{K}*T \\ \frac{15.0atm*L}{0.0533\frac{atm*L}{K}}=T \\ 281.43K=T \end{gathered}[/tex]

Finally, we have to convert 281.43K to °C:

281.43 - 273.15 = 8.28°C

So, the temperature of the gas is 8.28 °C.

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