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

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?

Advertisements
Advertisements

प्रश्न

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?

एका वाक्यात उत्तर
Advertisements

उत्तर

According to Boyle’s law, the size of the bubble of methane gas increases as it rises to the surface.

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

APPEARS IN

बालभारती Chemistry [English] Standard 11 Maharashtra State Board
पाठ 10 States of Matter
Exercises | Q 2. (D) | पृष्ठ १५७

संबंधित प्रश्‍न

Give reason for the following:

Gases have a lower density compared to solids or liquids.


Convert the following temperature from degree Celcius to kelvin.

25° C


Convert the following temperature from degree Celcius to kelvin.

273° C


Convert the following pressure value into Pascals.

10 atmosphere


Convert exactly 1.5 atm to pascals


Convert 89 kPa to newton per square metre (Nm−2)


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
______________

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 Boyle’s law


Write the statement for Charles’ law


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?


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


State Boyle's law.


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.


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.


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


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 ____________.


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?


At what temperature the volume of a gas becomes absolutely zero?


A gas occupies a volume of 4.2 dm3 at 101 kPa pressure. What volume will gas occupy if the pressure is increased to 235 kPa keeping the temperature constant?


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×