He volume of a gas varies inversely as the pressure upon it. the volume of a gas is 1600 cm3 under a pressure of 4 kg/2. what will be its volume under a pressure of 20 kg/cm2?

Answer

320 cm³

Explanation

Firstly, find the constant of proportionality.

V ∝ 1/p

V = k/p   Where V= volume, k = constant and p = pressure of the gas.

1600 = k/4

k = 1600 × 4

   = 6,400

The equation will be,

V = 6,400/p

For p =20 Kg/cm²,

V = 6,400/20

   = 320 cm³

b.my answer is b.

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1/3 + 1/5 = 8/15.

step-by-step explanation:

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