Hand out #4.1.2
Q. 1Draw the plot from following data
|
Pressure (atm)
|
0.2
|
0.25
|
0.40
|
0.60
|
0.80
|
1.0
|
|
Volume (dm3)
|
112
|
89.2
|
56.25
|
37.40
|
28.1
|
22.4
|
(a)volume against pressure (b)volume
against inverse of pressure (1/p)
Q.2 weather balloon has a volume of 175 dm3 when
filled with hydrogen at pressure of 1.00 atm. Calculate the volume of the balloon
where it rise to a height of 2000 m ‘where the atmospheric pressure is 0.800atm
.Assume that the temperature is constant.
Q.3 What is the volume of given mass of hydrogen at a
pressure of 2.50 atm , if it is volume
is 3.15 dm3 at 1.00 atm
Q.4 A sample of oxygen has a volume of 880 ml and pressure
of 740 torr .What addition pressure is required to reduce the volume to 440ml
Hand out # 4.2.1
Q. 1Draw the plot Volume and Absolute temperature from following data
|
Temperature (K)
|
135
|
200
|
270
|
395
|
450
|
540
|
|
Volume (dm3)
|
250
|
372
|
500
|
731
|
838
|
1000
|
Q.2 A sample of helium of gas has volume of 520 cm3
at 373k . Calculate the temperature at which the volume will become 260 cm3
at constant pressure .
Q.3 A mass of Neon occupies 200cm3 at 100oC
.Find its volume at 0oC the pressure remain constant .
Q.4 Anesthetic gas is normally given a patients when the
room temperature is 20 oC and the patient s body temperature is 37o C. What would this temperature change do to 1600ml
of gas at constant pressure and mass remain
constant.
Q.5 What will be the volume at 450K of a gas which occupies
200cm3 at 300K the pressure remaining constant throughout.
Q.6 A sample of oxygen gas occupies 250 cm3at
300K.What volumes it will occupy at 35oC if there is no change in pressure.
Hand out 4.4.1
Q.1 What is the final volume of one mole of nitrogen
initially at S.T.P. If it is subjected to pressure of 2 atm and heated to a
temperature of 546 K
Q.2 7.0 gram of a gas at 300K and one atmospheric
pressure occupies a volume of 4.1 dm3.What is molecular mass of gas
.
Q.3 10.0 gram of oxygen gas are introduced in a vessel of 5
dm3 capacity at 27oC.Calculate pressure of the gas in atmospheric
pressure in the container.
Q.4 Two gas bulbs of the same size are mantainated at same temperature .bulb “A “contain Carbon
dioxide and bulb “B” Contain an equal mass of ethane .
(a)What is the ratio of the number of molecules in the
bulbs?
(b) What is the ratio of the pressures in the bulbs?
Q.5 A sample of nitrogen gas occupies a volume of 1.0 dm3
at pressure of 0.5 atm at 40oC .Calculate the pressure if the gas
compressed to 0.225 cm3 at -6oC.
No comments:
Post a Comment