Respuesta :

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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

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