Question

The vapour pressure of water at 20°C is
17.54mm Hg, then the vapour pressure of the
water in the apparatus shown after the piston
is lowered, decreasing the volume of the gas
above the liquid to one half of its initial volume
(temp. constant) is
1) 8.77 mmHg 2) 17.54mm Hg
3) 35.08 mm Hg
4) between 8.77 and 17.54 mmHg​

Answer 1

Answer:

I don't know. I am so sorry