Question

the volume of a sample of gas is 1.5L at a pressure of 1.5 ATM .if the temperature is constant what will be the volume of the gas at
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Answer 1

Answer:

Initial pressure= 1.5atm ; =P

1

Initial volume= 5L; =V

1

Final volume= 3L=V

2

Boyle's Law;

⇒P

1

V

1

=P

2

V

2

⇒(1.5)5=(3)P

2

⇒P

2

=2.5atm

⇒ Final pressure= 2.5atm

Explanation:

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Answer 2

Explanation:

initial volume, which is

2.5 L

.

P

1

, or initial pressure, which is

1.5 atm

.

P

2

, or final pressure, which is

1 atm

.

We have to find

V

2

, or the final volume.

Boyle's law actually relates all four of these variables!:

P

1

V

1

=

P

2

V

2

This equation can be rearranged to have only

V

2

on one side:

V

2

=

P

1

V

1

P

2

Now, we just need to plug in all of the variables to find

V

2

:

V

2

=

1.5 atm × 2.5 L

1 atm

V

2

=

1.5

atm

×

2.5 L

1

atm

V

2

=

3.75 L