Question

a fixed mass of a gas has volume 750 cc at minus 23 degree Celsius and 800 mm pressure calculate the pressure for which its volume will be 720 cm cube the temperature being minus 3 degree Celsius

Answer 1

First of all, we have to note the given informations and the one which we have to calculate.

✔ P1 = 800 mm

✔ V1 = 750 cc

✔ T1 = -23 °C = 250 K

✔ P2 = ? mm

✔ V2 = 720 cc

✔ T2 = -3 °C = 270 K

By using the gas equation,

P1 V1/T1 = P2 V2/T2

Or, (800×750/250) = (P2×720/270)

Or, P2 = 900 mm Hg.

So, the required pressure of the gas is 900 mm Hg.

Answer 2

Answer:

900mm Hg

Explanation: