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With the help of the graph answer the following - At constant temperature, Identify the law. - Chemistry

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प्रश्न

With the help of the graph answer the following -

At constant temperature, Identify the law.

एक पंक्ति में उत्तर
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उत्तर

The graph represents Boyle’s law as it gives a relation between pressure and volume at a constant temperature.

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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 4. (C)(b) | पृष्ठ १५८

संबंधित प्रश्न

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


State the following:

The absolute temperature of a gas at 7°C


Convert the following temperature from degree Celcius to kelvin.

273° C


Convert the following pressure value into Pascals.

10 atmosphere


Convert −100° C to kelvin


Convert 0.124 torr to the standard atmosphere


Hot air balloons float in the air because of the low density of the air inside the balloon. Explain this with the help of an appropriate gas law.


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 Boyle’s law


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, Write the statement of 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.

A syringe has a volume of 10.0 cm3 at pressure 1 atm. If you plug the end so that no gas can escape and push the plunger down, what must be the final volume to change the pressure to 3.5 atm?


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.


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


Give the mathematical expression that relates gas volume and moles.


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.


Hydrochloric acid is treated with a metal to produce hydrogen gas. Suppose a student carries out this reaction and collects a volume of 154.4 × 10−3 dm3 of a gas at a pressure of 742 mm of Hg at a temperature of 298 K. What mass of hydrogen gas (in mg) did the student collect?


According to Andrews isothermals, the minimum temperature at which carbon dioxide gas obeys Boyles law is ______.


A certain mass of a gas occupies a volume of 2 dm3 at STP. At what temperature the volume of gas becomes double, keeping the pressure constant?


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?


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?


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


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