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the pressure of 3 moles of an ideal gas at a temperature of ...

the pressure of 3 moles of an ideal gas at a temperature of 27°C having a volume of 10^-3m³ is

A.

2.49 x 10⁵-2

B.

7.47 x 10⁵-2

C.

2.49 x 10⁶-2

D.

7.47 x 10⁶-2

View answer & explanation

Correct answer is D

From the relation PV = nRT
V = 10^-33; n = 3 moles; T = 27 + 273 = 300k
R = 8.3 j mol^-1 K^-1
=> P = nRT/V = 3 X 8.3 X 300/10^-3 = 7.47 X 10⁶ Nm^-2

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