Advertisements
Advertisements
Question
Write the statement for Charles’ law
Advertisements
Solution
Statement for Charles’ law: At constant pressure, the volume of a fixed mass of a gas is directly proportional to its temperature in Kelvin.
APPEARS IN
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.
State (i) the three variables for gas laws and (ii) SI units of these variables.
Give reason for the following:
Gases have a lower density compared to solids or liquids.
What is meant by aqueous tension? How is the pressure exerted by a gas corrected to account for aqueous tension?
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 the following pressure value into Pascals.
107000 Nm−2
Convert the following pressure value into Pascals.
1 atmosphere
Convert exactly 1.5 atm to pascals
Convert 101.325 kPa to bar.
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
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
State Boyle's law.
Explain the following observation.
Aerated water bottles are kept under water during summer
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.
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.
At what temperature the volume of a gas becomes absolutely zero?
Isochor is the graph plotted between ______.
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?
