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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?

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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?

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उत्तर

According to Boyle’s law, the size of the bubble of methane gas increases as it rises to the surface.

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अध्याय 10: States of Matter - Exercises [पृष्ठ १५७]

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बालभारती Chemistry [English] Standard 11 Maharashtra State Board
अध्याय 10 States of Matter
Exercises | Q 2. (D) | पृष्ठ १५७

संबंधित प्रश्न

State (i) the three variables for gas laws and (ii) SI units of these variables.


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.

−197° C


Convert the following temperature from degree Celcius to kelvin.

273° C


Convert the following pressure value into Pascals.

107000 Nm−2


Convert 89 kPa to newton per square metre (Nm−2)


Convert 101.325 kPa to bar.


Convert 0.124 torr to the standard atmosphere


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.


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 Boyle’s law


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.


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


Name two items that can serve as a model for Gay Lusaac’s law and explain.


Explain the following observation.

Aerated water bottles are kept under water during summer


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?


Sulphur hexafluoride is a colourless, odourless gas; calculate the pressure exerted by 1.82 moles of the gas in a steel vessel of volume 5.43 dm3 at 69.5 °C, assuming ideal gas behaviour


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?


Volume of a balloon at 25°C and 1 bar pressure is 2.27 L. If the pressure of the gas in balloon is reduced to 0.227 bar, what is the rise in volume of a gas?


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?


If 2 moles of an ideal gas at 546 K has volume of 44.8 L, then what will be it's pressure? (R = 0.082)


If 300 mL of a gas at 26.85°C is cooled to 6.85°C at constant pressure. What will be the final volume of gas?


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