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."
Give reason for the following:
Gases exert pressure in all directions.
Convert the following temperature from degree Celcius to kelvin.
273° C
Convert the following pressure value into Pascals.
1 kPa
Convert the following pressure value into Pascals.
107000 Nm−2
Convert the following pressure value into Pascals.
1 atmosphere
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 |
 |
______________ |
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.
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.
A hot air balloon has a volume of 2800 m3 at 99°C. What is the volume if the air cools to 80°C?
The temperatures at which real gases obey the ideal gas laws over a wide range of pressure is called __________.
Use of hot air balloon in sports and meteorological observation is an application of
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 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?
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.
For a given mass of an ideal gas, which of the following statements is CORRECT?
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 ______.
Identify the correct relationship between pressure (P), density (d), molar mass (M) and Temperature (T) for an ideal gas from the following.
