English

Convert the following temperature from degree Celcius to kelvin. −197° C - Chemistry

Advertisements
Advertisements

Question

Convert the following temperature from degree Celcius to kelvin.

−197° C

Numerical
Advertisements

Solution

T(K) = t° C + 273.15

∴ T(K) = −197° C + 273.15

= 76.15 K

shaalaa.com
  Is there an error in this question or solution?
Chapter 10: States of Matter - Exercises [Page 157]

APPEARS IN

Balbharati Chemistry [English] Standard 11 Maharashtra State Board
Chapter 10 States of Matter
Exercises | Q 2. (E)(c) | Page 157

RELATED QUESTIONS

Explain Why?

"When stating the volume of a gas, the pressure and temperature should also be given."


What would be the mass of CO2 occupying a volume of 44 litres at 25°C and 750 mm pressure.


Give reason for the following:

Gases exert pressure in all directions.


What is meant by aqueous tension? How is the pressure exerted by a gas corrected to account for aqueous tension?


Convert the following temperature from degree Celcius to kelvin.

−15° C


Convert the following temperature from degree Celcius to kelvin.

273° C


Convert the following pressure value into Pascals.

107000 Nm−2


Convert the following pressure value into Pascals.

1 atmosphere


Identify the gas laws from the following diagram.

Diagram Gas laws
______________

Match the pairs of the following:

Column ‘A’ Column ‘B’
a. Boyle’s law i. at constant pressure and volume
b. Charles’ law ii. at constant temperature
  iii. at constant pressure

Write the statement for Charles’ law


With the help of the graph answer the following -

At constant temperature, the Graph shows the relationship between pressure and volume. Represent the relation mathematically.


With the help of the graph answer the following -

At constant temperature, Identify the law.


Solve the following.

A balloon is inflated with helium gas at room temperature of 25°C and at 1 bar pressure when its initial volume is 2.27L and allowed to rise in the air. As it rises in the air external pressure decreases and the volume of the gas increases till finally, it bursts when external pressure is 0.3bar. What is the limit at which the volume of the balloon can stay inflated?


Solve the following.

The volume of a given mass of a gas at 0°C is 2 dm3. Calculate the new volume of the gas at constant pressure when the temperature is increased by 10°C.


Solve the following.

At 0°C, a gas occupies 22.4 liters. How much hot must be the gas in celsius and in kelvin to reach a volume of 25.0 liters?


Use of hot air balloon in sports and meteorological observation is an application of


State Boyle's law.


A sample of gas has a volume of 8.5 dm3 at an unknown temperature. When the sample is submerged in ice water at 0°C, its volume gets reduced to 6.37 dm3. What is its initial temperature?


Of two samples of nitrogen gas, sample A contains 1.5 moles of nitrogen in a vessel of the volume of 37.6 dm3 at 298 K, and sample B is in a vessel of volume 16.5 dm3 at 298 K. Calculate the number of moles in sample B.


A small bubble rises from the bottom of a lake where the temperature and pressure are 6°C and 4 atm. to the water surface, where the temperature is 25°C and pressure is 1 atm. Calculate the final volume in (mL) of the bubble, if its initial volume is 1.5 mL.


At 25°C and 1 atm, a cylinder containing 10 L of an ideal gas is connected to the empty cylinder with a capacity of 20 L. The pressures exerted by gas m both the cylinders will be ____________.


A certain sample of gas has a volume of 0.2 L at one atmosphere pressure and 273.15 K. What is the volume of gas at 273.15°C at same pressure?


At what temperature the volume of a gas becomes absolutely zero?


The volume of 400 cm3 chlorine gas at 400 mm of Hg is decreased to 200 cm3 at constant temperature. What is the new pressure of gas?


10 g of gas at one atomospheric pressure is cooled from 273.15°C to 0°C keeping the volume constant. What is the final pressure?


At what temperature, the volume of gas would become zero?


The number of molecules in 8.96 litres of gas at 0°C and 1 atm. pressure is approximately ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×