2. If a carbon dioxide gas has a volume of 3.2 L at 150°C, what will its volume be at 50°C?

AnswerV=1.18

L

Explanation:

In order to solve this problem we would use the Ideal Gas Law formula

P

V

=

n

R

T

P

=

Pressure in

a

t

m

V

=

Volume in

L

n

=

moles

R

=

Ideal Gas Law Constant

T

=

Temp in

K

S

T

P

is Standard Temperature and Pressure which has values of

1

a

t

m

and

273

K

2.34

g

C

O

2

must be converted to moles

2.34

g

C

O

2

x

1

m

o

l

44

g

C

O

2

=

0.053

m

o

l

s

P

=

1

a

t

m

V

=

?

?

?

L

n

=

0.053

m

o

l

s

R

=

0.0821

a

t

m

L

m

o

l

K

T

=

273

K

P

V

=

n

R

T

becomes

V

=

n

R

T

P

V

=

0.053

m

o

l

s

(

0.0821

a

t

m

L

m

o

l

K

)

(

273

K

)

1

a

t

m

V

=

1.18

L