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Write the statement for Charles’ law - Chemistry

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Write the statement for Charles’ law

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उत्तर

Statement for Charles’ law: At constant pressure, the volume of a fixed mass of a gas is directly proportional to its temperature in Kelvin.

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अध्याय 10: States of Matter - Exercises [पृष्ठ १५८]

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बालभारती Chemistry [English] Standard 11 Maharashtra State Board
अध्याय 10 States of Matter
Exercises | Q 3. (I)(b) | पृष्ठ १५८

संबंधित प्रश्न

Explain Why?

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


Answer in one sentence.

A bubble of methane gas rises from the bottom of the North sea. What will happen to the size of the bubble as it rises to the surface?


Convert the following temperature from degree Celcius to kelvin.

−15° 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
______________

Identify the gas laws from the following diagram.

Diagram Gas laws
______________

Consider a sample of a gas in a cylinder with a movable piston.

Show diagrammatically the changes in the position of the piston, if the temperature is decreased from 400 K to 300 K, and pressure is decreased from 4 bar to 3 bar.


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.

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


Assertion: Critical temperature of CO2 is 304 K, it can be liquefied above 304 K.

Reason: For a given mass of gas, volume is to directly proportional to pressure at constant temperature


State Boyle's law.


Explain the following observation.

The type of an automobile is inflated to slightly lesser pressure in summer than in winter


Explain the following observation.

The size of a weather balloon becomes larger and larger as it ascends up to larger altitude


A sample of gas at 15°C at 1 atm. has a volume of 2.58 dm3. When the temperature is raised to 38°C at 1 atm does the volume of the gas Increase? If so, calculate the final volume.


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.


According to Andrews isothermals at what temperature the carbon dioxide gas starts to condense at 73 atmosphere?


Isochor is the graph plotted between ______.


A gas occupies a volume of 4.2 dm3 at 101 kPa pressure. What volume will gas occupy if the pressure is increased to 235 kPa keeping the temperature constant?


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?


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