Answer:
See Explanation
Explanation:
Let;
P1= P
V1=V
P2 =?
V2= 2V
According to Boyle's law;
P1V1=P2V2
P2= P1V1/V2
P2= P × V/2V
P2 =P/2
Hence the pressure will decrease by a factor of two
b) Given that;
1 mole of occupies 22.4 L
x moles occupies 7.25 L
x = 1 × 7.25/22.4
x= 0.324 moles
