L - davis.k12.ut.us

liE '/
/
NAME
DATE
_
PERIOD
_
_
Chapter 13: Gas Laws
Make sure to SHOW WORK and UNITS. Round all answers to TWO decimal places.
1. The volume of a gas at 99.0 kPa is 300.0 m L. If the pressure is increased to 188 kPa, what will be
the new volume?
P. VI ~ R
\
V
z-
I
tCtw
Boy/-e's
z
.
PI:: 99,0 jLpC(
VI:'
9Cf, 0 ~
~(vzJ
L..J
(
5()O,O~
~
~
1<6~ l,W
~oo,O;...L
It
VZ z J57. q~ 1Vl}.,
"-
Pz-:: let ~ k-PC{
-z, •.. ,)
.
2. The pressure of a sample of helium in a 1.00 L container is 0.988 atm. What is the new pressure
if the sample is placed in a 2.00 L container?
leIS
q+Jr\
(0.
goy
\
B -:.0, q~~
l4.W
DI/ ::- P V
VI";
z, Z
t,
t.oo t.
\
~gg a.J-rr-) (I, 00JI):::.
-
P2-":.?
CJ.•.rles's L-.w
\
,1
.Yl :; ~
I,
r;
/,::c i2 ~
V~-:: j.rzl.
?
--(2- "
4. The Celsius temperature
0
i"-v
\ 1; '"i
V'1-::C
O
-r; (Q3=~~)~ u: L -r;= 6o: )3 }L
of a 3.00 L sample of gas is lowered from 80.0°C to 30.0°C. What will
-r.-;,~,OoG.·Vl7s
0
x 3.00
L
_ ~
(~
(3 3Jt) 3<;5 /C - ~
~ 3~3
Jt,
V7- -:- Z <;;g L
'/
1'"L- :; ~o, 0 °6 f' Z 73 -;.. 30'S
)c.
5. The pressure in an automobile tire is 1.88 atm at 25.0°C. What will be the pressure if the
temperature
increases to 37.0°(7
7:J.) / Jt}
L_~ ~ k -r; (O,a )'! Ift-~ _
31J21?
»«:
0.11 ~S- ~~ O.oos,t;
CA(,(rle~/s lAw v.: 5,00 L
v.
l
Kelvin will the volume increase
(),67
be the resulting volume of this gas?
V,
2.0
7.,()()~
3. A gas at 362 K occupies a volume of 0.67 L. At what temperature
\J. -:, 0 fo 7 L
l.
l)
~ / O,~q a+m
V-z. -; Z. 00 L..
to 1.12 L?
p (
"'"IIi,
6. Helium gas in a 2.00 L cylinder is under 1.12 atm pressure. At 36.5°C, that same gas sample has
a pressure 2.56 atm. What was the initial temperature
<:
cylinder?
Gn1-ilA,rflcI, lAw
R1 _ rc
h
P,~1./2
-r.-.,
\
--
., --
-r"
If
~
I
~
?'01.>;~
-
q
~
P-z-, -;.. 2/;;-0 q
1"1..r= 'Zh,SoC 1'273
)
It.
-(- 2. ~~
3Dq~~J%
h"I
-r
1..
~~t{~
_
J,/2 a¥ ~~.r;6
t, ~6 tt~~
30
ll+tn
, I -:. :'
-z:
~M
in degrees Celsius of the gas in the
/
T,
t
1st;;", '7/
- Z 7"3
'T,:;
/
I.} :::-- J s 7. S:-1 't
Clty)
1oq, Zit-
z: 509,~)L
7. A sample of air in a syringe exerts a pressure of 1.02 atm at 22.0°C. The syringe is placed in a
boiling-water
bath at 100.0°C. The pressure is increased to 1.23 atm by pushing the plunger in,
which reduces the volume to 0.224 mL. What was the initial volume?
\
Cornh/neJ {,a~ ~~ v1 ~:
P,v,
-::.
--r;
fl.D2fAft..)"
Pv: /,U C4f""
"l..-::
0, z?-q
(L.en
?
373)t.
(0, '2-'2-"1 rnt
"3 7 "$ Il
V,,;-
OJ 00 oI6~(P6
V) -;.
\ 1.q~)t.
,..,L-
Tz..'/ IOoOC-f7-73
i.7-s a-h,
(J.01- CAb) V, __
'2-4 S- It
--
c.d-fh
v, -=- ?
T;-=- 27.0°(,,+-2-,'3;;. 2qb~
Pz, Vz..
-r;
/,02
)
(
ZC(~JL-
'
2q~1t.
8. A balloon contains i46.0 mL of gas confined at a pressure of 1. "0 atm and a temperature
5.0°C. If the pressure doubles and the temperature
Cn~1jn-eJ f,o..~ La w
PV
gV
~
l,sD tt+1n
V - 1l{~J)ML
-;- ~
-ri;,;.ooC-l'2-7~ ~21<61t
-r;
-r;
P, =-
decreases to 2.0°(, what will be the volume
J
0, (;g?-733CJ
(~~O C>.~
Pz,~l'~O Gt+-M
V 1-";.
of
(I. 30cth..) OLJ~.{)ml- -= (2, hOtt+#» Vz.
17'6'}:.
Z7~)t.
of gas in the balloon?
\
0 1) ML,
I, 0 Z cd:!:!)
t{+1tt
?
z:
't7t;"'j(. -;
1;~rz.O~C f ~7"$::.27~/c...
(~;r:;t:)V2O
[7,.{e a~
)
?. 7$- ~ ./
9. Calculate the volume of a 0.323 mol sample of a gas at 265 K and 0.900 atm.
\ Ideal ha~
!QW
Puu =-h ~o-r:
n
P::.(),q()Oafl'h
J2:.
I
,I
v=::
7
(O,qO{)
:.
=t"
{j ;325
1'1'I0
I
I-~) V~
(O,?fJ 4.fM)
(0."$2""3
/YIol){o.O~/~)("~)t.j
(0,900
afJhJ
O. {J}I?,I l'4~
?/ _
t".;tA;S)c"
}n()/,I£.
10. If the pressure exerted by a gas at 25°( in a volume of 0.044 Lis 3.81 atm, how many moles of
\
gas are present?
.J
Ideft/ haJ Law
PV-nf)..-r
P.; /ll cd-Iv,
v= o. o'lt/ L
h ::- ;J
f,- s·
{L:
O. O~Z I L ,cfh·, ...
rno]
""5
-r~Zs-uC
·It
-t: 27"$ :: 2qf(~

Download Report