हिंदी

Convert the following temperature from degree Celcius to kelvin. −15° C

Advertisements
Advertisements

प्रश्न

Convert the following temperature from degree Celcius to kelvin.

−15° C

संख्यात्मक
Advertisements

उत्तर

T(K) = t° C + 273.15

∴ T(K) = −15° C + 273.15

= 258.15 K

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 10: States of Matter - Exercises [पृष्ठ १५७]

APPEARS IN

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

संबंधित प्रश्न

Convert the following pressure value into Pascals.

1 atmosphere


Convert exactly 1.5 atm to pascals


Convert 101.325 kPa to bar.


Convert −100° C to kelvin


Convert 0.124 torr to the standard atmosphere


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.

At 0°C, a gas occupies 22.4 liters. How much hot must be the gas in celsius and in kelvin to reach a volume of 25.0 liters?


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


State Boyle's law.


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


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?


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 ____________.


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


According to Andrews isothermals at what temperature the carbon dioxide gas starts to condense at 73 atmosphere?


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?


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 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?


At what temperature, the volume of gas would become zero?


Identify the correct relationship between pressure (P), density (d), molar mass (M) and Temperature (T) for an ideal gas from the following.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×