Question

a 226 ml of oxygen gas is heated from 185 celcius to 96 Celsius at a constant pressure. calculate the new volume of oxygen​

Answer 1

Answer:

This is an example of Charles' law which states that the volume of a gas held at constant pressure is directly proportional to the Kelvin temperature. The equation for Charles' law is

V

1

T

1

=

V

2

T

2

.

Given/Known

V

1

=

32.4 L

T

1

=

20

o

C

+

273.15

=

293 K

T

2

=

220

o

C

+

273.15

=

493 K

Unknown

V

2

=

???

Solution

Rearrange the equation to isolate

V

2

and solve.

V

1

T

1

=

V

2

T

2

V

2

=

V

1

T

2

T

1

V

2

=

32.4

L

×

493

K

293

K

=

54.5 L