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प्रश्न
Give reason for the following:
Gases have a lower density compared to solids or liquids.
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उत्तर
Gases have low densities as the inter-molecular distance between the molecules of gases is very large.
Pressure on the wall = `("Force exerted on the wall")/("Total area of the container wall")`
संबंधित प्रश्न
Convert the following pressure value into Pascals.
10 atmosphere
Convert the following pressure value into Pascals.
1 kPa
Convert 101.325 kPa to bar.
Identify the gas laws from the following diagram.
| Diagram | Gas laws |
 |
______________ |
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?
Assertion: Critical temperature of CO2 is 304 K, it can be liquefied above 304 K.
Reason: For a given mass of gas, volume is to directly proportional to pressure at constant temperature
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.
At 25°C and 1 atm, a cylinder containing 10 L of an ideal gas is connected to the empty cylinder with a capacity of 20 L. The pressures exerted by gas m both the cylinders will be ____________.
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?
