Heat of formation of an element in its standard state is
0
< 0
> 0
A function of pressure
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- Heat is added at constant pressure in an ideal __________ cycle.
- y = specific heat ratio of an ideal gas is equal to
- Pick out the wrong statement.
- The internal energy of an ideal gas is a function of its __________ only.
- Ideal refrigeration cycle is
- Pick out the wrong statement
- Which is not constant for an ideal gas?
- For a thermodynamic system containing 'x' chemical species, the maximum number of phases that can co-exist…
- Which law of the thermodynamics provides basis for measuring the thermodynamic property?
- In a reversible process
- The temperature at the eutectic point of the system is the __________ temperature that can be attained…
- Entropy change for an irreversible process taking system and surrounding together is
- The Maxwell relation derived from the differential expression for the Helmholtz free energy (dA) is
- For spontaneous changes in an isolated system (S = entropy)
- In the reaction, represented by, 2SO2 + O2 2SO3; ΔH = - 42 kcal; the forward reaction will be favoured…
- The root mean square speed of molecules of a gas is equal to (where, m = mass of the molecule K = Boltzmanns…
- Cv is given by
- When dilute aqueous solutions of two salts are mixed, the process is associated with
- For a single component two phase mixture, the number of independent variable properties are
- Entropy change of mixing two liquid substances depends upon the
- __________ Equation predicts the activity coefficient from experimental data.
- As the time is passing, entropy of the universe
- What is the degree of freedom for a system comprising liquid water equilibrium with its vapour?
- Law of corresponding states says that
- Which of the following has the minimum value of COP for a given refrigeration effect?
- With increase in reduced temperature, the fugacity co-efficient of a gas at constant reduced pressure
- Measurement of thermodynamic property of temperature is facilitated by __________ law of thermodynamics.
- Critical temperature is defined as the temperature above which a gas will
- Isentropic process means a constant __________ process.
- In a working refrigerator, the value of COP is always