Advertisements
Advertisements
प्रश्न
Convert 101.325 kPa to bar.
Advertisements
उत्तर
101.325 kPa to bar:
1 bar = 1.0 × 105 Pa
= 1.0 × 102 kPa
∴ 100 kPa = 1 bar
∴ 101.325 kPa = `(1xx101.325)/100`
= 1.01325 bar
APPEARS IN
संबंधित प्रश्न
State (i) the three variables for gas laws and (ii) SI units of these variables.
What is meant by aqueous tension? How is the pressure exerted by a gas corrected to account for aqueous tension?
State the following:
The absolute temperature of a gas at 7°C
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.
−197° C
Convert the following pressure value into Pascals.
10 atmosphere
Convert the following pressure value into Pascals.
1 kPa
Convert the following pressure value into Pascals.
107000 Nm−2
Consider a sample of a gas in a cylinder with a movable piston.

Show diagrammatically the changes in the position of the piston, if pressure is increased from 1.0 bar to 2.0 bar at a constant temperature.
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 300 K to 150 K at constant pressure.
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 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, Identify the 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.
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 decreased by 10°C.
Use of hot air balloon in sports and meteorological observation is an application of
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
Explain the following observation.
Liquid ammonia bottle is cooled before opening the seal
Explain the following observation.
The size of a weather balloon becomes larger and larger as it ascends up to larger altitude
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.
Sulphur hexafluoride is a colourless, odourless gas; calculate the pressure exerted by 1.82 moles of the gas in a steel vessel of volume 5.43 dm3 at 69.5 °C, assuming ideal gas behaviour
For a given mass of an ideal gas, which of the following statements is CORRECT?
At what temperature the volume of a gas becomes absolutely zero?
Isochor is the graph plotted between ______.
The number of molecules in 8.96 litres of gas at 0°C and 1 atm. pressure is approximately ______.
