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

Convert the following temperature from degree Celcius to kelvin. 273° C - Chemistry

Advertisements
Advertisements

प्रश्न

Convert the following temperature from degree Celcius to kelvin.

273° C

संख्यात्मक
Advertisements

उत्तर

T(K) = t° C + 273.15

∴ T(K) = 273° C + 273.15

= 546.15 K

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. (E)(d) | पृष्ठ १५७

संबंधित प्रश्‍न

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.

−197° C


Convert the following pressure value into Pascals.

1 atmosphere


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

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, Write the statement of 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?


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


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


Give the mathematical expression that relates gas volume and moles.


Explain the following observation.

Aerated water bottles are kept under water during summer


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


A small bubble rises from the bottom of a lake where the temperature and pressure are 6°C and 4 atm. to the water surface, where the temperature is 25°C and pressure is 1 atm. Calculate the final volume in (mL) of the bubble, if its initial volume is 1.5 mL.


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?


Isochor is the graph plotted between ______.


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)


The number of molecules in 8.96 litres of gas at 0°C and 1 atm. pressure is approximately ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×