Calculemos el numero de moles que contienen un gas que ocupa un volumen de 3L a 25 grados centigrados de temperatura y740mm de Hg de presion
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n (moles) = ?
V = 3 L
T = 25 + 273 = 298 K
P = 740 mmHg
1 atm ---- 760 mmHg
x ---- 740 mmHg
x = 0.97 atm
R = 0.0821 (atm L/mol K)
P x V = n x R x T
n = P x V
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R x T
n = 0.97 atm x 3 L
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O.0821(atmL/mol K)298K
n = 0.118 moles
V = 3 L
T = 25 + 273 = 298 K
P = 740 mmHg
1 atm ---- 760 mmHg
x ---- 740 mmHg
x = 0.97 atm
R = 0.0821 (atm L/mol K)
P x V = n x R x T
n = P x V
``````````
R x T
n = 0.97 atm x 3 L
``````````````````````````````````
O.0821(atmL/mol K)298K
n = 0.118 moles
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