मराठी

Correct the Following Statement: 0°C is Equal to Zero Kelvin.

Advertisements
Advertisements

प्रश्न

Correct the following statement:

0°C is equal to zero Kelvin.

एका वाक्यात उत्तर
Advertisements

उत्तर

-273°C is equal to zero Kelvin.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 7: Study of Gas Laws - Exercise 7 (A) [पृष्ठ १२६]

APPEARS IN

सेलिना Concise Chemistry [English] Class 9 ICSE
पाठ 7 Study of Gas Laws
Exercise 7 (A) | Q 24.3 | पृष्ठ १२६

संबंधित प्रश्‍न

An oxygen cylinder of volume 30 litres has an initial gauge pressure of 15 atm and a temperature of 27 °C. After some oxygen is withdrawn from the cylinder, the gauge pressure drops to 11 atm and its temperature drops to 17 °C. Estimate the mass of oxygen taken out of the cylinder (= 8.31 J mol–1 K–1, molecular mass of O2 = 32 u)


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?


50 m3 of saturated vapour is cooled down from 30°C to 20°C. Find the mass of the water condensed. The absolute humidity of saturated water vapour is 30 g m−3 at 30°C and 16 g m−3 at 20°C.


Give reasons for the following:

Gas fills the vessel completely in which it is kept. 


Choose the correct answer:

The graph of PV vs P for gas is


Fill in the blanks:

If the temperature is reduced to half, ………….. would also reduce to half.


If the absolute temperature of a body is doubled, the power radiated will increase by a factor of ______ 


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


The volume V of an enclosure contains a mixture of three gases, 16 g of oxygen, 28 g of nitrogen and 44 g of carbon dioxide at absolute temperature T. Consider R as universal gas constant. The pressure of the mixture of gases is ______.


Cooking gas containers are kept in a lorry moving with uniform speed. The temperature of the gas molecules inside will ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×