NAME~
PERIOD:
HOMEWORK
10.1
a.Read pp.398-415
b. Review your notes.
c. Answer the following:
1. A sample of oxygen gas has a volume of 150.0 mL at a pressure of 0.947 atm. Determine the volume of
the gas when the pressure is increased to 1.00 atm. Temperature remains constant.
I
P, \J \
f2-
-=
y 1...-
(. q 4 1') ( I se. 0'):;'
y~ :
Ik{
( l. 00')
\f J.
J,OS
;:
\-~~Q
2. A sample of gas in a syringe has a volume of 9.66 mL at a pressure of 64.4 kPa. The plunger is
depressed until the volume is 6.58 mL. Determine the new pressure in kPa assuming the temperature ~s
kept constant.
P,V,:: Pa. V a.
(~q .ll') ( 9. ~
L)::
~ ("
( ~ I.{ •
___
$~ )
q) ( q.~ f.. )r_"'_
.~
__
%:
~,.sg
3. A balloon has a volume of 456 mL at a pressure of 1.00 atm. It is taken under water in' a submarine to a
depth where the air pressure in the submarine is 3.30 atm. Determine the volume of the balloon at this
depth assuming temperature remains constant.
P, VI
r,V'j.
z:
= (3. ao)
(l.oO)(4St,)
(I. c>O)
V;;.
C'-t
Sla)
1
(3.30)
4. Helium gas in a balloon occupies 2.S0L at 300.0K. The balloon is dipped into liquid nitrogen that is at a
temperature of 80.0K. Determine the volume of the helium in the balloon at the lower temperature
assuming pressure remains constant.
(J. SO) (~(). £I)
\/.
"I,
V~
z:
T,
~.SO
300.0
:
T.).
z
~l."
Yiit-
0
- OVER
( 300. ())
I~
5. A sample of neon gas has a volume of752 mL at 25.0°C. Determine the temperature in Celsius at
which the volume is 941 mL assuming the pressure remains constant. T I: cJ 13 + .;} S ::. cJ. q
-
'" I
~
" )..
::
T\
T
Tf)..
l.:)~
(eN I) (;;'9f')
--_._----
:
J
(7 sa)
qL(/
::
e2<;~
.;
,;).
6. A helium filled balloon has a volume of2.75L at 20.0°C. The volume of the balloon changes to 2.46L
when placed outside on a cold day. Determine the temperature outside in degrees Celsius. T - ,$13 -+
:: V').
V,
I
T."
Ts.er:
I
::
(rlq3)(Q.L.{~)
0'"
,-
I' S )
( ~.
:
-
\
11,0·e.
J
7. At 122°C the pressure of a sample of nitrogen is 1.07 atm. Determine the pressure at 205°C assuming
the volume remains constant.
2Q 5
I I .: ~ 1 3 + ) CI ~;;
vI
P2
PI
.;
P
'2.
T,
1.01
:
(J.01)(tl18''>
( 3lj
PJ.
s)
lJle
--
3QS
a
8. A sample of helium gas is at 122kPa and 22.0°C. Determine the temperature of the gas if the pressure is
increased to 203kPa. Assume the volume remains constant. T, - ..;}
73 + J.. l.:, 0), S
q
PI
T,
l Cl
=
Pz,
Ta-
(ou)
S)(.ila3)
(I;;l~)
a
0203
:
d.C!S
Tel
9. The air in a steel-belted tire is at a pressure of205.4kPa at a temperature of20.0oC. After the tire is
driven fast on a hot road, the temperature in the tire is 48.0oC. Determine the pressure. Assume the
volume remains constant.
p.
T,
T,'
z:
.;}
13 + .J 0
:
c:2l}
3
P'I= --
(o?o~.t()
TJ.
(Jell)
(aq3)
~oS.t..1
-
•..
,
~ ;) .s .k.. Po..
Ta.:,
cJ?
J + L/ f
s:
010::;$3