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08-02-2019
Chemistry

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What is the temperature of 0.257 mol of O2 occupying 6.78 L at 0.856 atm?

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Kristiania Kristiania

08-02-2019

From the ideal gas law, PV= n RT

T = PV/ n R

Given that n = 0.257 mole

V = 6.78 L

P = 0.856 atm

And R = gas constant = 0.0821 L.atm/K/mol

Therefore;

T = PV/ n R

T = 0.856 atm *6.78 L/ 0.257 mole *0.0821 L.atm/K/mol

= 275.1 K

=2.1 degree C

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