Advertisements
Advertisements
प्रश्न
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 |
Advertisements
उत्तर
| Column ‘A’ | Column ‘B’ |
| a. Boyle’s law | ii. at constant temperature |
| b. Charles’ law | iii. at constant pressure |
APPEARS IN
संबंधित प्रश्न
What would be the mass of CO2 occupying a volume of 44 litres at 25°C and 750 mm pressure.
State (i) the three variables for gas laws and (ii) SI units of these variables.
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 temperature from degree Celcius to kelvin.
25° C
Convert 101.325 kPa to bar.
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 |
 |
______________ |
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.
Write the statement for Charles’ law
With the help of the graph answer the following -
At constant temperature, Identify the law.
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.
Solve the following.
A hot air balloon has a volume of 2800 m3 at 99°C. What is the volume if the air cools to 80°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.
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?
For a given mass of an ideal gas, which of the following statements is CORRECT?
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?
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?
