हिंदी

Give Reasons for the Following: Gas Fills the Vessel Completely in Which It is Kept. - Chemistry

Advertisements
Advertisements

प्रश्न

Give reasons for the following:

Gas fills the vessel completely in which it is kept. 

एक पंक्ति में उत्तर
Advertisements

उत्तर

The interparticle attraction is weak and interparticle space is large in gases because the particles are completely free to move randomly in the entire available space and take the shape of the vessel in which the gas is kept. 

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 7: Study of Gas Laws - Exercise 7 (A) [पृष्ठ १२६]

APPEARS IN

सेलिना Concise Chemistry [English] Class 9 ICSE
अध्याय 7 Study of Gas Laws
Exercise 7 (A) | Q 18.7 | पृष्ठ १२६

संबंधित प्रश्न

Estimate the total number of air molecules (inclusive of oxygen, nitrogen, water vapour and other constituents) in a room of capacity 25.0 m3 at a temperature of 27 °C and 1 atm pressure


Three vessels of equal capacity have gases at the same temperature and pressure. The first vessel contains neon (monatomic), the second contains chlorine (diatomic), and the third contains uranium hexafluoride (polyatomic).

Is the root mean square speed of molecules the same in the three cases? If not, in which case is vrms the largest?


What do you understand by gas?


Match the following:

 

Column A 

Column B 

(a)

cm3

(i) Pressure

(b)

Kelvin

(ii) Temperature

(c)

Torr 

(iii) Volume

(d)

Boyle's law

(iv) `"V"/"T" = ("V"_1)/("T"_1)`

(a)  

Charles's law

(v) `"PV"/"T" = ("P"_1 "V"_1)/"T"_1`

 

 

(vi) PV = P1V1

A gas occupies 500 cm3 at a normal temperature. At what temperature will the volume of the gas be reduced by 20% of its original volume, the pressure is constant?


Name or state the following:

An equation used in chemical calculations which gives a simultaneous effect of changes of temperature and pressure on the volume of a given mass of dry gas


Gases exert pressure on the walls of the container because the gas molecules ______


The equation of state for 2g of oxygen at a pressure 'P' and temperature 'T', when occupying a volume 'V' will be ______.


Estimate the average thermal energy of a helium atom at room temperature (27 °C).


A box of 1.00 m3 is filled with nitrogen at 1.50 atm at 300K. The box has a hole of an area 0.010 mm2. How much time is required for the pressure to reduce by 0.10 atm, if the pressure outside is 1 atm.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×