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What is the pressure in atm of a 2.00 mole sample of H2 in 5.00 L flask at 65oC? Report answer to nearest tenth.

Sagot :

Answer:

[tex]11.1\text{ atm}[/tex]

Explanation:

Here, we want to get the pressure in atm

We can use the ideal gas formula to get this

Mathematically:

[tex]PV\text{ = nRT}[/tex]

P is the pressure in atm which we want to calculate

V is the volume which is given as 5 L

n is the number of moles which is 2 moles

T is the temperature (we have to convert this to Kelvin by adding 273.15 K : 273.15 + 65 = 338.15 K)

R is the molar gas constant which is 0.0821 Latm/mol.K

Substituting the values, we have it that:

[tex]\begin{gathered} P\text{ = }\frac{nRT}{V} \\ \\ P\text{ = }\frac{2\times0.0821\times338.15}{5}\text{ = 11.1 atm} \end{gathered}[/tex]

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