Question

sample of nitrogen occupies 5.50 liters under a pressure of 900 torr at

25C. At what temperature will it occupy 10.0 liters at the same pressure?

(a) 32C (b) -109C (c) 154C (d) 269C​

Answer 1

Given info : A sample of nitrogen occupies 5.5 litres under a pressure of 900 torr at 25°C.

To find : At what Temperature will it occupy 10 litres at the same pressure ?

solution : at the same pressure,

volume is directly proportional to temperature.

i.e., V ∝ T

⇒V₁/V₂ = T₁/T₂

here, V₁ = 5.5 litres , T₁ = 25°C = 298K

V₂ = 10 litres, T₂ = ?

now, 5.5/10 = 298/T₂

⇒T₂ = 298 × 10/5.5 ≈ 542 K

Temperature in degree Celsius = 542 - 273 = 269°C

Therefore the temperature will be 269°C.

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Answer 2

Answer: 5

Explanation: