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A flask of fixed volume contains 1.00 mole of gaseous carbon dioxide and 88.0 g of solid carbon dioxide. The original pressure and temperature in the flask is 1.00 atm and 300. K. All of the solid carbon dioxide sublimes. The final pressure in the flask is 2.75 atm. What is the final temperature in kelvins

Respuesta :

Answer:275K

Explanation:

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The final temperature will be "275 K". To understand the calculation, check below.

Temperature and Pressure

According to the question,

Pressure, P₁ = 1.00 atm

                P₂ = 2.75 atm

Temperature, T₁ = 300 K

Moles, n₁ = 1.00 mol

           n₂ = 1.00 + ([tex]\frac{88.0}{44.01}[/tex])

               = 3.00 mol  

By using the ideal gas equation,

→ [tex]\frac{P_1}{n_1 T_1} = \frac{P_2}{n_2 T_2}[/tex]

or, Temperature, T₂ = [tex]\frac{P_2 n_1 T_1}{n_2 P_1}[/tex]

By substituting the values,

                                 = [tex]\frac{2.75\times 1.00\times 300}{3.00\times 1.00}[/tex]

                                 = 275 K

Thus the above response is correct.

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