मराठी
महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता ११ वी

Convert 0.124 torr to the standard atmosphere - Chemistry

Advertisements
Advertisements

प्रश्न

Convert 0.124 torr to the standard atmosphere

संख्यात्मक

उत्तर

0.124 torr to standard atmosphere:

1 atm = 760 torr

∴ 1 torr = `1/760` atm

∴ 0.124 torr = `0.124xx1/760`

= 1.632 × 10–4 atm

shaalaa.com
The Gas Laws
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 10: States of Matter - Exercises [पृष्ठ १५७]

APPEARS IN

बालभारती Chemistry [English] 11 Standard
पाठ 10 States of Matter
Exercises | Q 2. (G)(e) | पृष्ठ १५७

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.


State the following:

The absolute temperature of a gas at 7°C


Convert the following temperature from degree Celcius to kelvin.

−197° C


Convert exactly 1.5 atm to pascals


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
______________

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 pressure is increased from 1.0 bar to 2.0 bar at a constant temperature.


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.


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 hot air balloon has a volume of 2800 m3 at 99°C. What is the volume if the air cools to 80°C?


Explain the following observation.

Liquid ammonia bottle is cooled before opening the seal


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


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


Hydrochloric acid is treated with a metal to produce hydrogen gas. Suppose a student carries out this reaction and collects a volume of 154.4 × 10−3 dm3 of a gas at a pressure of 742 mm of Hg at a temperature of 298 K. What mass of hydrogen gas (in mg) did the student collect?


According to Andrews isothermals, the minimum temperature at which carbon dioxide gas obeys Boyles law is ______.


A certain mass of a gas occupies a volume of 2 dm3 at STP. At what temperature the volume of gas becomes double, keeping the pressure constant?


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)


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?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×