Third law of thermodynamics is helpful in (A) Prediction of the extent of a chemical reaction (B) Calculating absolute entropies of substances at different temperature (C) Evaluating entropy changes of chemical reaction (D) Both (B) and (C)

Third law of thermodynamics is helpful in
(A) Prediction of the extent of a chemical reaction
(B) Calculating absolute entropies of substances at different temperature (C) Evaluating entropy changes of chemical reaction
(D) Both (B) and (C)
by

1 Answer

Answer :

D) Both (B) and (C)
by

Related questions

"At the absolute zero temperature, the entropy of every perfectly crystalline substance becomes zero". This follows from the (A) Third law of thermodynamics (B) Second law of thermodynamics (C) Nernst heat theorem (D) Maxwell's relations

Description : "At the absolute zero temperature, the entropy of every perfectly crystalline substance becomes zero". This follows from the (A) Third law of thermodynamics (B) Second law of thermodynamics (C) Nernst heat theorem (D) Maxwell's relations

Last Answer : (A) Third law of thermodynamics

Which law that states “Entropy of all perfect crystalline solids is zero at absolute zero temperature”?  a. Zeroth law of thermodynamics  b. First law of thermodynamics  c. Second law of thermodynamics  d. Third law of thermodynamics

Description : Which law that states “Entropy of all perfect crystalline solids is zero at absolute zero temperature”?  a. Zeroth law of thermodynamics  b. First law of thermodynamics  c. Second law of thermodynamics  d. Third law of thermodynamics

Last Answer : Third law of thermodynamics

What states that the entropy of a pure crystalline substance at absolute zero temperature is zero?  A. Zeroth law of thermodynamics  B. First law of thermodynamics  C. Second law of thermodynamics  D. Third law of thermodynamics

Description : What states that the entropy of a pure crystalline substance at absolute zero temperature is zero?  A. Zeroth law of thermodynamics  B. First law of thermodynamics  C. Second law of thermodynamics  D. Third law of thermodynamics

Last Answer : Third law of thermodynamics

What law provides an absolute reference point for the determination of entropy?  A. Zeroth law of thermodynamics  B. First law of thermodynamics  C. Second law of thermodynamics  D. Third law of thermodynamics

Description : What law provides an absolute reference point for the determination of entropy?  A. Zeroth law of thermodynamics  B. First law of thermodynamics  C. Second law of thermodynamics  D. Third law of thermodynamics

Last Answer : Third law of thermodynamics

(i)State why heat changes in physical and chemical processes are indicated by enthalpy changes and not by entropy changes? (ii)What are the limitations of First Law of thermodynamics?

Description : (i)State why heat changes in physical and chemical processes are indicated by enthalpy changes and not by entropy changes? (ii)What are the limitations of First Law of thermodynamics?

Last Answer : (i) Most of the processes are carried out in an open system i.e, at constant pressure. (ii)(a) Can’t explain the feasibility of the reaction. (b)It poses no restriction on the direction of flow of heat. (c)Practically it is not possible to convert the heat energy into an equivalent amount of work.

As temperature goes to “0”, the entropy approaches a constant  a. Zeroth Law of Thermodynamics  b. First Law of Thermodynamics  c. Second Law of Thermodynamics  d. Third Law of Thermodynamics

Description : As temperature goes to “0”, the entropy approaches a constant  a. Zeroth Law of Thermodynamics  b. First Law of Thermodynamics  c. Second Law of Thermodynamics  d. Third Law of Thermodynamics

Last Answer : Third Law of Thermodynamics

The third law of thermodynamics states that the (A) Heat capacity of a crystalline solid is zero at absolute zero temperature (B) Heat transfer from low temperature to high temperature source is not possible without external work (C) Gases having same reduced properties behaves similarly (D) None of these

Description : The third law of thermodynamics states that the (A) Heat capacity of a crystalline solid is zero at absolute zero temperature (B) Heat transfer from low temperature to high temperature source is ... without external work (C) Gases having same reduced properties behaves similarly (D) None of these

Last Answer : (A) Heat capacity of a crystalline solid is zero at absolute zero temperature

The first law of thermodynamics is based on which of the following principles?  a. Conservation of mass  b. Conservation of energy  c. Action and reaction  d. The entropy-temperature relationship

Description : The first law of thermodynamics is based on which of the following principles?  a. Conservation of mass  b. Conservation of energy  c. Action and reaction  d. The entropy-temperature relationship

Last Answer : Conservation of energy

The first law of thermodynamics is based on which of the following principles?  A. Conservation of mass  B. Conservation of energy  C. Action and reaction  D. The entropy-temperature relationship

Description : The first law of thermodynamics is based on which of the following principles?  A. Conservation of mass  B. Conservation of energy  C. Action and reaction  D. The entropy-temperature relationship

Last Answer : Conservation of energy

What law states that entropy can be created but it cannot be destroyed?  A. Zeroth law of thermodynamics  B. First law of thermodynamics  C. Second law of thermodynamics  D. Third law of thermodynamics

Description : What law states that entropy can be created but it cannot be destroyed?  A. Zeroth law of thermodynamics  B. First law of thermodynamics  C. Second law of thermodynamics  D. Third law of thermodynamics

Last Answer : Second law of thermodynamics

“The entropy change of a system during a process is equal to the net entropy transfer through the system boundary and the entropy generated within the system”. This statement is known as:  A. Entropy generation  B. Entropy change of a system  C. Entropy balance relation  D. Third law of thermodynamics

Description : The entropy change of a system during a process is equal to the net entropy transfer through the system boundary and the entropy generated within the system . This statement is known as:  A. Entropy ...  B. Entropy change of a system  C. Entropy balance relation  D. Third law of thermodynamics

Last Answer : Entropy balance relation

Who discovered the thermodynamic property “Entropy” in 1865?  A. Zeroth law of thermodynamics  B. First law of thermodynamics  C. Second law of thermodynamics  D. Third law of thermodynamics

Description : Who discovered the thermodynamic property “Entropy” in 1865?  A. Zeroth law of thermodynamics  B. First law of thermodynamics  C. Second law of thermodynamics  D. Third law of thermodynamics

Last Answer : Second law of thermodynamics

The absolute entropy for all crystalline substances at absolute zero temperature is (A) Zero (B) Negative (C) More than zero (D) Indeterminate

Description : The absolute entropy for all crystalline substances at absolute zero temperature is (A) Zero (B) Negative (C) More than zero (D) Indeterminate

Last Answer : (A) Zero

Pick out the wrong statement. (A) A refrigeration cycle violates the second law of thermodynamics (B) Refrigeration cycle is normally represented by a temperature vs. entropy plot (C) In a refrigerator, work required decreases as the temperature of the refrigerator and the temperature at which heat is rejected increases (D) One ton of refrigeration is equivalent to the rate of heat absorption equal to 3.53 kW

Description : Pick out the wrong statement. (A) A refrigeration cycle violates the second law of thermodynamics (B) Refrigeration cycle is normally represented by a temperature vs. entropy plot (C) In a refrigerator, ... (D) One ton of refrigeration is equivalent to the rate of heat absorption equal to 3.53 kW

Last Answer : (A) A refrigeration cycle violates the second law of thermodynamics

The first law of thermodynamics is based on which of the following principles?  a. conservation of mass  b. the enthalpy-entropy relationship  c. action – reaction  d. conservation of energy

Description : The first law of thermodynamics is based on which of the following principles?  a. conservation of mass  b. the enthalpy-entropy relationship  c. action – reaction  d. conservation of energy

Last Answer : conservation of energy

Pick out the correct statement. (A) Like internal energy and enthalpy, the absolute value of standard entropy for elementary substances is zero (B) Melting of ice involves increase in enthalpy and a decrease in randomness (C) The internal energy of an ideal gas depends only on its pressure (D) Maximum work is done under reversible conditions

Description : Pick out the correct statement. (A) Like internal energy and enthalpy, the absolute value of standard entropy for elementary substances is zero (B) Melting of ice involves increase in enthalpy and ... of an ideal gas depends only on its pressure (D) Maximum work is done under reversible conditions

Last Answer : (D) Maximum work is done under reversible conditions

If the rate of a chemical reaction becomes slower at a given temperature, then the (A) Initial concentration of the reactants remains constant (B) Free energy of activation is lower(C) Entropy changes(D) Free energy of activation is higher

Description : If the rate of a chemical reaction becomes slower at a given temperature, then the (A) Initial concentration of the reactants remains constant (B) Free energy of activation is lower (C) Entropy changes (D) Free energy of activation is higher

Last Answer : (D) Free energy of activation is higher

When a gas is expanded from high pressure region to low pressure region; temperature change occurs". This phenomenon is related to the (A) Gibbs-Duhem equation (B) Gibbs-Helmholtz equation (C) Third law of thermodynamics (D) Joule-Thomson effect

Description : When a gas is expanded from high pressure region to low pressure region; temperature change occurs". This phenomenon is related to the (A) Gibbs-Duhem equation (B) Gibbs-Helmholtz equation (C) Third law of thermodynamics (D) Joule-Thomson effect

Last Answer : (D) Joule-Thomson effect

Which law of thermodynamics introduces the concept of entropy?

Description : Which law of thermodynamics introduces the concept of entropy?

Last Answer : Second law

First law of thermodynamics  (a) enables to determine change in internal energy of the system  (b) does not help to predict whether the system will or not undergo a change  (c) does not enable to determine change in entropy  (d) provides relationship between heat, work and internal energy  (e) all of the above.

Description : First law of thermodynamics  (a) enables to determine change in internal energy of the system  (b) does not help to predict whether the system will or not undergo a change  (c) does not enable ... entropy  (d) provides relationship between heat, work and internal energy  (e) all of the above.

Last Answer : Answer : e

According to first law of thermodynamics  (a) work done by a system is equal to heat transferred by the system  (b) total internal energy of a system during a process remains constant  (c) internal energy, enthalpy and entropy during a process remain constant  (d) total energy of a system remains constant

Description : According to first law of thermodynamics  (a) work done by a system is equal to heat transferred by the system  (b) total internal energy of a system during a process remains constant  ( ... , enthalpy and entropy during a process remain constant  (d) total energy of a system remains constant

Last Answer : Answer : d

The basis for measuring thermodynamic property of temperature is given by  (a) zeroth law of thermodynamics  (b) first law of thermodynamics  (c) second law of thermodynamics  (d) third law of thermodynamics  (e) Avogadro’s hypothesis.

Description : The basis for measuring thermodynamic property of temperature is given by  (a) zeroth law of thermodynamics  (b) first law of thermodynamics  (c) second law of thermodynamics  (d) third law of thermodynamics  (e) Avogadro’s hypothesis.

Last Answer : Answer : a

An auditor should consider materiality when I. Determining the nature, timing, and extent of audit procedures. II. Evaluating the effect of misstatements. a. I only b. II only c. Both I and II d. Neither I nor II

Description : An auditor should consider materiality when I. Determining the nature, timing, and extent of audit procedures. II. Evaluating the effect of misstatements. a. I only b. II only c. Both I and II d. Neither I nor II

Last Answer : Both I and II

Carnot cycle is also termed as the constant __________ cycle in thermodynamics. (A) Entropy (B) Pressure (C) Volume (D) Heat

Description : Carnot cycle is also termed as the constant __________ cycle in thermodynamics. (A) Entropy (B) Pressure (C) Volume (D) Heat

Last Answer : Option D

Bernoulli's equation is dependent on the (A) First law of thermodynamics(B) Third law of thermodynamics(C) Law of conservation of momentum(D) None of these

Description : Bernoulli's equation is dependent on the (A) First law of thermodynamics (B) Third law of thermodynamics (C) Law of conservation of momentum (D) None of these

Last Answer : (D) None of these

_________ law of thermodynamics ascertains the direction of a particular spontaneous process. (A) Zeroth (B) First (C) Second (D) Third

Description : _________ law of thermodynamics ascertains the direction of a particular spontaneous process. (A) Zeroth (B) First (C) Second (D) Third

Last Answer : (C) Second

Which law of the thermodynamics provides basis for measuring the thermodynamic property? (A) First law (B) Zeroth law (C) Third law (D) Second law

Description : Which law of the thermodynamics provides basis for measuring the thermodynamic property? (A) First law (B) Zeroth law (C) Third law (D) Second law

Last Answer : B) Zeroth law

A refrigerator works on the principle of __________ law of thermodynamics. (A) Zeroth (B) First (C) Second (D) Third

Description : A refrigerator works on the principle of __________ law of thermodynamics. (A) Zeroth (B) First (C) Second (D) Third

Last Answer : (C) Second

Zeroth law of thermodynamics  (a) deals with conversion of mass and energy  (b) deals with reversibility and irreversibility of process  (c) states that if two systems are both in equilibrium with a third system, they are in thermal equilibrium with each other  (d) deals with heat engines  (e) does not exist.

Description : Zeroth law of thermodynamics  (a) deals with conversion of mass and energy  (b) deals with reversibility and irreversibility of process  (c) states that if two systems are both in equilibrium with a ... in thermal equilibrium with each other  (d) deals with heat engines  (e) does not exist.

Last Answer : Answer : c

Pick out the wrong statement. (A) Cp of monatomic gases such as metallic vapor is about 5 kcal/kg.atom (B) The heat capacity of solid inorganic substance is exactly equal to the heatcapacity of the substance in the molten state(C) There is an increase in entropy, when a spontaneous change occurs in anisolated system(D) At absolute zero temperature, the heat capacity for many pure crystallinesubstances is zero

Description : Pick out the wrong statement. (A) Cp of monatomic gases such as metallic vapor is about 5 kcal/kg.atom (B) The heat capacity of solid inorganic substance is exactly equal to the ... isolated system (D) At absolute zero temperature, the heat capacity for many pure crystalline substances is zero

Last Answer : (C) There is an increase in entropy, when a spontaneous change occurs in an isolated system

Entropy, which is a measure of the disorder of a system, is: (A) Independent of pressure (B) Independent of temperature (C) Zero at absolute zero temperature for a perfect crystalline substance (D) All (A), (B) & (C)

Description : Entropy, which is a measure of the disorder of a system, is: (A) Independent of pressure (B) Independent of temperature (C) Zero at absolute zero temperature for a perfect crystalline substance (D) All (A), (B) & (C)

Last Answer : (C) Zero at absolute zero temperature for a perfect crystalline substance

The following procedures relate to Skills and Competence, except a. Identify criteria which will be considered in evaluating individual performance and expected proficiency. b. Provide procedures for maintaining the firm's standards of quality for the work performed. c. Establish qualifications and guidelines for evaluating potential hirees at each professional level. d. Provide, to the extent necessary, programs to fill the firm's needs for personnel with expertise in specialized and industries.

Description : The following procedures relate to Skills and Competence, except a. Identify criteria which will be considered in evaluating individual performance and expected proficiency. b. Provide procedures for ... to fill the firm's needs for personnel with expertise in specialized and industries.

Last Answer : Provide procedures for maintaining the firm's standards of quality for the work performed.

After studying and evaluating a client's existing internal control, an auditor has concluded that the policies and procedures are well-designed and functioning as intended. Under these circumstances, the auditor would most likely a. Perform further control tests to the extent outlined in the audit program. b. Determine the control policies and procedures that should prevent or detect errors and fraud. c. Set detection risk at a higher level than would be set under conditions of weak internal control. d. Set detection risk at a lower level than would be set under conditions of weak internal control.

Description : After studying and evaluating a client's existing internal control, an auditor has concluded that the policies and procedures are well-designed and functioning as intended. Under these circumstances, the ... risk at a lower level than would be set under conditions of weak internal control.

Last Answer : Set detection risk at a higher level than would be set under conditions of weak internal control.

_______ codified the first two laws of thermodynamics and deducedthat the absolute zero of temperature is 273.15° C. she was honouredfor this with the naming of the Kelvin temperature scale.

Description : _______ codified the first two laws of thermodynamics and deducedthat the absolute zero of temperature is 273.15° C. she was honouredfor this with the naming of the Kelvin temperature scale.

Last Answer : William Thomson

Rate constant for a first order reaction does not depend upon reaction time, extent of reaction and the initial concentration of reactants; but it is afunction of reaction temperature. In a chemical reaction, the time requiredto reduce the concentration of reactant from 100 gm moles/litre to 50 gmmoles/litre is same as that required to reduce it from 2 gm moles/litre to 1gm mole/litre in the same volume. Then the order of this reaction is:(A) 0(B) 1(C) 2(D) 3

Description : Rate constant for a first order reaction does not depend upon reaction time, extent of reaction and the initial concentration of reactants; but it is afunction of reaction temperature. In a chemical reaction, the time required to ... Then the order of this reaction is: (A) 0 (B) 1 (C) 2 (D) 3

Last Answer : (B) 1

Which of the following provide exceptions to third law of thermodynamics ?

Description : Which of the following provide exceptions to third law of thermodynamics ?

Last Answer : Which of the following provide exceptions to third law of thermodynamics ? A. CO B. ice C. `CO_(2)` D. All the above

State The Third Law Of Thermodynamics. Give Its Limitations And Importance.?

Description : State The Third Law Of Thermodynamics. Give Its Limitations And Importance.?

Last Answer : The third law of thermodynamics states that: The entropy of a perfect crystal of each element and a compound is zero at absolute zero. Limitations: If any disorder like impurity or imperfection is ... be measured. 2. This law helps in explaining the behaviour of solids at very low temperature.

This law of thermodynamics prohibits the construction of a perpetual motion machine “of the second kind”  a. Zeroth Law of Thermodynamics  b. First Law of Thermodynamics  c. Second Law of Thermodynamics  d. Third Law of Thermodynamics

Description : This law of thermodynamics prohibits the construction of a perpetual motion machine “of the second kind”  a. Zeroth Law of Thermodynamics  b. First Law of Thermodynamics  c. Second Law of Thermodynamics  d. Third Law of Thermodynamics

Last Answer : Second Law of Thermodynamics

If two systems are in the thermal equilibrium with a third system, then they must be in thermal equilibrium with each other.  a. Zeroth Law of Thermodynamics  b. First Law of Thermodynamics  c. Second Law of Thermodynamics  d. Third Law of Thermodynamics

Description : If two systems are in the thermal equilibrium with a third system, then they must be in thermal equilibrium with each other.  a. Zeroth Law of Thermodynamics  b. First Law of Thermodynamics  c. Second Law of Thermodynamics  d. Third Law of Thermodynamics

Last Answer : Zeroth Law of Thermodynamics

It is generally accepted as a law of nature that although one may closely approach 0 Kelvin it is impossible actually to reach it.  a. First Law of thermodynamics  b. Second Law of thermodynamics  c. Third Law of thermodynamics  d. Zeroth Law of thermodynamics

Description : It is generally accepted as a law of nature that although one may closely approach 0 Kelvin it is impossible actually to reach it.  a. First Law of thermodynamics  b. Second Law of thermodynamics  c. Third Law of thermodynamics  d. Zeroth Law of thermodynamics

Last Answer : Third Law of thermodynamics

The statement “heat cannot by itself flow from one body into a hotter body” is governed by _________.  a. the first law of thermodynamics  b. the second law of thermodynamics  c. the third law of thermodynamics  d. the zeroth law of thermodynamics

Description : The statement “heat cannot by itself flow from one body into a hotter body” is governed by _________.  a. the first law of thermodynamics  b. the second law of thermodynamics  c. the third law of thermodynamics  d. the zeroth law of thermodynamics

Last Answer : the second law of thermodynamics

What predicts the approximate molar specific heat at high temperatures from the atomic weight?  A. Third law of thermodynamics  B. Law of Dulong and Petit  C. Mollier diagram  D. Pressure-enthalpy diagram

Description : What predicts the approximate molar specific heat at high temperatures from the atomic weight?  A. Third law of thermodynamics  B. Law of Dulong and Petit  C. Mollier diagram  D. Pressure-enthalpy diagram

Last Answer : Law of Dulong and Petit

What law states that it is impossible to build a device that operates in a cycle and produces no effect other than the transfer of heat from a lowertemperature body to a highertemperature body?  A. Zeroth law of thermodynamics  B. First law of thermodynamics  C. Second law of thermodynamics  D. Third law of thermodynamics

Description : What law states that it is impossible to build a device that operates in a cycle and produces no effect other than the transfer of heat from a lowertemperature body to a highertemperature body?  A. ... B. First law of thermodynamics  C. Second law of thermodynamics  D. Third law of thermodynamics

Last Answer : Second law of thermodynamics

What states that the net change in the total energy of the system during a process is equal to the difference between the total energy entering and the total energy leaving the system during that process?  A. Third law of thermodynamics  B. Conservation of energy principle  C. Second law of thermodynamics  D. Conservation of mass principle

Description : What states that the net change in the total energy of the system during a process is equal to the difference between the total energy entering and the total energy leaving the system during ... Conservation of energy principle  C. Second law of thermodynamics  D. Conservation of mass principle

Last Answer : Conservation of energy principle

What states that the net mass transfer to or from a system during a process is equal to the net change in the total mass of the system during that process?  A. Third law of thermodynamics  B. Conservation of energy principle  C. Second law of thermodynamic  D. Conservation of mass principle

Description : What states that the net mass transfer to or from a system during a process is equal to the net change in the total mass of the system during that process?  A. Third law of thermodynamics  B. Conservation of energy principle  C. Second law of thermodynamic  D. Conservation of mass principle

Last Answer : Conservation of mass principle

What states that if two bodies are in thermal equilibrium with a third body, they are also in equilibrium with each other?  A. Zeroth law of thermodynamics  B. First law of thermodynamics  C. Second law of thermodynamics  D. Third law of thermodynamics

Description : What states that if two bodies are in thermal equilibrium with a third body, they are also in equilibrium with each other?  A. Zeroth law of thermodynamics  B. First law of thermodynamics  C. Second law of thermodynamics  D. Third law of thermodynamics

Last Answer : Zeroth law of thermodynamics

What law asserts that energy has quality as well as quantity?  A. First law of Thermodynamics  B. Second law of Thermodynamics  C. Third law of Thermodynamics  D. Zeroth law of Thermodynamics

Description : What law asserts that energy has quality as well as quantity?  A. First law of Thermodynamics  B. Second law of Thermodynamics  C. Third law of Thermodynamics  D. Zeroth law of Thermodynamics

Last Answer : Second law of Thermodynamics

What law asserts that energy is a thermodynamic property?  A. First law of Thermodynamics  B. Second law of Thermodynamics  C. Third law of Thermodynamics  D. Zeroth law of Thermodynamics

Description : What law asserts that energy is a thermodynamic property?  A. First law of Thermodynamics  B. Second law of Thermodynamics  C. Third law of Thermodynamics  D. Zeroth law of Thermodynamics

Last Answer : First law of Thermodynamics

When two bodies are in thermal equilibrium with a third body, they are also in thermal equilibrium with each other. This statement is called  A. Zeroth law of thermodynamics  B. First law of thermodynamics  C. Second law of thermodynamics  D. Kelvin Planck’s law

Description : When two bodies are in thermal equilibrium with a third body, they are also in thermal equilibrium with each other. This statement is called  A. Zeroth law of thermodynamics  B. First law of thermodynamics  C. Second law of thermodynamics  D. Kelvin Planck’s law

Last Answer : A. Zeroth law of thermodynamics