Question

A comple of heliume gain oes occupies 55 ml a 240c. 70 What must it be cooled ot 여 constant pressure, reduce its volume at 25°C. to​

Answer 1

Answer:

a+b+c equal ur matha

Explanation:

Answer 2

Explanation:

186.25 mm

Given: P

1

=745 mm Hg

V

1

=250 ml

V

2

=200 ml

∴ By Boyle's law as the temperature is constant.

P

2

=

V

2

P

1

V

1

=

200

745×250

=931.25 mm Hg

Additional pressure required =931.25−745=186.25 mm