हिंदी

State (I) the Three Variables for Gas Laws and (Ii) Si Units of These Variables. - Chemistry

Advertisements
Advertisements

प्रश्न

State (i) the three variables for gas laws and (ii) SI units of these variables.

टिप्पणी लिखिए

उत्तर

  1. Three variables for gas laws: Volume (V), Pressure (P), Temperature (T)
  2. SI units of these variables:

For volume: Cubic metre (m3)

For pressure: Pascal (Pa)

For temperature: Kelvin (K) 

shaalaa.com
The Gas Laws
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 7: Study of Gas Laws - Exercise 7 (A) [पृष्ठ १२५]

APPEARS IN

सेलिना Concise Chemistry [English] Class 9 ICSE
अध्याय 7 Study of Gas Laws
Exercise 7 (A) | Q 6 | पृष्ठ १२५

संबंधित प्रश्न

Give reason for the following:

Gases exert pressure in all directions.


Convert the following pressure value into Pascals.

107000 Nm−2


Convert exactly 1.5 atm to pascals


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?


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


Name two items that can serve as a model for Gay Lusaac’s law and explain.


Explain the following observation.

Aerated water bottles are kept under water during summer


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.


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?


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?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×