Home
Class 12
CHEMISTRY
What is the entropy change of an engine ...

What is the entropy change of an engine that operates at `100^@C` when 453.6 k.cal of heat is supplied to it?

Text Solution

Verified by Experts

`DeltaS = 1216.1 cals K^(-1)`
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS -II

    NCERT BANGLISH|Exercise SELF EVALUATION (C. Answer not exceeding 60 words)|2 Videos
  • SURFACE CHEMISTRY

    NCERT BANGLISH|Exercise SELF EVALUATION((C) Answer not exceeding sixty words :)|11 Videos

Similar Questions

Explore conceptually related problems

Mass of a piece of cppper is 20 g. Find the rise in temperature of the piece when 100 cal of heat is supplied to it? Specific heat of copper ="0.09 cal. g"^(-1).^(@)C^(-1).

Calculate the entropy change in vapourisation of 9 gm waterat 100^@C .

A certain volume of a gas expands at one standard atmosphere pressure when 400 cal of heat is supplied to it. If there is no change in the internal energy of the gas, calculate its volume expansion.

Calculate the entropy change for 100 gm water at 100^@C [latent heat vaporisation is 40.4 Kjmol^(-1) ] what type of change is observed for entropy for end other reaction.

Some quantity of gas having a mass of 5 gm is heated from 10^@C to 100^@C . If heat is supplied in constant volume and in constant pressure separately, then find out the change in internal energy in both the cases, Also calculate the work done when the pressure is kept constant. C_V=0.153 cal//gm"^@C and C_P=0.217 cal//gm"^@C

What is the entropy change in 2 mol N_(2) , when its temperature is taken from 400 K to 800 K, at constant pressure-

If the change in entropy of reversible isothermal expansion of 1 mol of an ideal gas is 9.135 " J mol"^(-1). K^(-1) , what will be the entropy change of the surroundings and universe ? If the above expansion of gas is allowed to occur against zero pressure, what will be the entropy change of the system and surroundings ?

For a closed system, determine the change in internal energy (DeltaU) when (a) q cal of heat is absorbed by the system and w cal of work is performed on the system (b) q cal of heat is absorbed by the system and w cal of work is performed by the system (c) q cal of heat is evolved by the system and w cal of work is performed on the system (d) heat is not absorbed or evolved by the system, but w cal of work is performed by the system.

What happen when sodium metal is heated in free supply of air ?