Advertisements
Advertisements
प्रश्न
Convert the following pressure value into Pascals.
10 atmosphere
Advertisements
उत्तर
1 atm = 1.01325 x 105 Pa
∴ 10 atm = 1.01325 x 105 x 10 Pa
= 1.01325 × 106 Pa
10 atmosphere = 1.01325 × 106 Pa
APPEARS IN
संबंधित प्रश्न
Explain Why?
"When stating the volume of a gas, the pressure and temperature should also be given."
State (i) the three variables for gas laws and (ii) SI units of these variables.
Give reason for the following:
Gases exert pressure in all directions.
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.
25° C
Convert the following temperature from degree Celcius to kelvin.
−197° C
Convert 101.325 kPa to bar.
Convert −100° C to kelvin
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.
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.
Solve the following.
A balloon is inflated with helium gas at room temperature of 25°C and at 1 bar pressure when its initial volume is 2.27L and allowed to rise in the air. As it rises in the air external pressure decreases and the volume of the gas increases till finally, it bursts when external pressure is 0.3bar. What is the limit at which the volume of the balloon can stay inflated?
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.
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
Explain the following observation.
Liquid ammonia bottle is cooled before opening the seal
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?
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.
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?
According to Andrews isothermals, the minimum temperature at which carbon dioxide gas obeys Boyles law is ______.
The volume of 400 cm3 chlorine gas at 400 mm of Hg is decreased to 200 cm3 at constant temperature. What is the new pressure of gas?
If 2 moles of an ideal gas at 546 K has volume of 44.8 L, then what will be it's pressure? (R = 0.082)
Identify the correct relationship between pressure (P), density (d), molar mass (M) and Temperature (T) for an ideal gas from the following.

