Helmholtz free energy (A) is defined as (A) A = H - TS (B) A = E - TS (C) A = H + TS (D) None of these

Helmholtz free energy (A) is defined as
(A) A = H - TS
(B) A = E - TS
(C) A = H + TS
(D) None of these
by

1 Answer

Answer :

(B) A = E - TS
by

Related questions

Gibbs free energy (G) is represented by, G = H - TS, whereas Helmholtz free energy, (A) is given by, A = E - TS. Which of the following is the Gibbs Helmholtz equation? (A) [∂(G/T)/∂T] = - (H/T2) (B) [∂(A/T)/∂T]V = - E/T2 (C) Both (A) and (B) (D) Neither (A) nor (B)

Description : Gibbs free energy (G) is represented by, G = H - TS, whereas Helmholtz free energy, (A) is given by, A = E - TS. Which of the following is the Gibbs Helmholtz equation? (A) [∂(G/T)/∂T] = - (H/T2) (B) [∂(A/T)/∂T]V = - E/T2 (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) and (B)

Gibbs-Helmholtz equation is (A) ∆F = ∆H + T [∂(∆F)/∂T]P (B) ΔF = ΔH - TΔT (C) d(E - TS) T, V < 0 (D) dP/dT = ∆Hvap/T.∆Vvap

Description : Gibbs-Helmholtz equation is (A) ∆F = ∆H + T [∂(∆F)/∂T]P (B) ΔF = ΔH - TΔT (C) d(E - TS) T, V < 0 (D) dP/dT = ∆Hvap/T.∆Vvap

Last Answer : (A) ∆F = ∆H + T [∂(∆F)/∂T]P

Enthalpy 'H' is defined as (A) H = E - PV (B) H = F - TS (C) H - E = PV (D) None of these

Description : Enthalpy 'H' is defined as (A) H = E - PV (B) H = F - TS (C) H - E = PV (D) None of these

Last Answer : (C) H - E = PV

The Maxwell relation derived from the differential expression for the Helmholtz free energy (dA) is (A) (∂T/∂V)S = - (∂P/∂S)V (B) (∂S/∂P)T = - (∂V/∂T)P (C) (∂V/∂S)P = (∂T/∂P)S (D) (∂S/∂V)T = (∂P/∂T)V

Description : The Maxwell relation derived from the differential expression for the Helmholtz free energy (dA) is (A) (∂T/∂V)S = - (∂P/∂S)V (B) (∂S/∂P)T = - (∂V/∂T)P (C) (∂V/∂S)P = (∂T/∂P)S (D) (∂S/∂V)T = (∂P/∂T)V

Last Answer : (D) (∂S/∂V)T = (∂P/∂T)V

Pick out the correct statement. (A) The available energy in an isolated system for all irreversible (real) processes decreases (B) The efficiency of a Carnot engine increases, if the sink temperature is decreased (C) The reversible work for compression in non-flow process under isothermal condition is the change in Helmholtz free energy (D) All (A), (B) and (C)

Description : Pick out the correct statement. (A) The available energy in an isolated system for all irreversible (real) processes decreases (B) The efficiency of a Carnot engine increases, if the sink temperature is decreased ... condition is the change in Helmholtz free energy (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

In any spontaneous process, the __________ free energy decreases. (A) Helmholtz (B) Gibbs (C) Both ‘a’ & ‘b’ (D) Neither 'a' nor 'b'

Description : In any spontaneous process, the __________ free energy decreases. (A) Helmholtz (B) Gibbs (C) Both ‘a’ & ‘b’ (D) Neither 'a' nor 'b'

Last Answer : (C) Both ‘a’ & ‘b’

The change in __________ is equal to the reversible work for compression in steady state flow process under isothermal condition. (A) Internal energy (B) Enthalpy (C) Gibbs free energy (D) Helmholtz free energy

Description : The change in __________ is equal to the reversible work for compression in steady state flow process under isothermal condition. (A) Internal energy (B) Enthalpy (C) Gibbs free energy (D) Helmholtz free energy

Last Answer : (C) Gibbs free energy

__ is defined as th ned as the use of c e use of commercial ma cial marketing concep ng concepts and t ts and tools in ools in programs designed to influence individual’s behavior to designed to influence individual’s behavior to improve their well-being and that of ove their well-being and that of society. a. Unsought product b. Internal marketing Internal marketing c. Social marketing d. Product line

Description : __ is defined as th ned as the use of c e use of commercial ma cial marketing concep ng concepts and t ts and tools in ools in programs designed to influence individual's behavior to ... of society. a. Unsought product b. Internal marketing Internal marketing c. Social marketing d. Product line

Last Answer : c. Social marketing

Which of the following are not state functions? (I) `q+w` (II)`q` (III) `w` (IV) `H-TS`

Description : Which of the following are not state functions? (I) `q+w` (II)`q` (III) `w` (IV) `H-TS`

Last Answer : Which of the following are not state functions? (I) `q+w` (II)`q` (III) `w` (IV) `H-TS` A. (I),(II) and ... ) C. (I) and (IV) D. (II), (III) and (IV)

What is S in the equation G = H - TS?

Description : What is S in the equation G = H - TS?

Last Answer : The entropy of the system

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

The four properties of a system viz. P, V, T, S are related by __________ equation. (A) Gibbs-Duhem (B) Gibbs-Helmholtz (C) Maxwell's (D) None of these

Description : The four properties of a system viz. P, V, T, S are related by __________ equation. (A) Gibbs-Duhem (B) Gibbs-Helmholtz (C) Maxwell's (D) None of these

Last Answer : (C) Maxwell's

The relation connecting the fugacities of various components in a solution with one another and to composition at constant temperature and pressure is called the __________ equation. (A) Gibbs-Duhem (B) Van Laar (C) Gibbs-Helmholtz (D) Margules

Description : The relation connecting the fugacities of various components in a solution with one another and to composition at constant temperature and pressure is called the __________ equation. (A) Gibbs-Duhem (B) Van Laar (C) Gibbs-Helmholtz (D) Margules

Last Answer : (A) Gibbs-Duhem

“The fugacity of a gas in a mixture is equal to the product of its mole fraction and its fugacity in the pure state at the total pressure of the mixture". This is (A) The statement as per Gibbs-Helmholtz (B) Called Lewis-Randall rule (C) Henry's law (D) None of these

Description : “The fugacity of a gas in a mixture is equal to the product of its mole fraction and its fugacity in the pure state at the total pressure of the mixture". This is (A) The statement as per Gibbs-Helmholtz (B) Called Lewis-Randall rule (C) Henry's law (D) None of these

Last Answer : (B) Called Lewis-Randall rule

Pick out the correct equation relating 'F' and 'A'. (A) F = A + PV (B) F = E + A (C) F = A - TS

Description : Pick out the correct equation relating 'F' and 'A'. (A) F = A + PV (B) F = E + A (C) F = A - TS

Last Answer : (A) F = A + PV

What absorber in which efficient absorption is only possible over a very narrow band approaching 1.0 (total absorption)? A. Porous material B. Helmholtz resonator C. Panel Absorber D. Membrane absorber

Description : What absorber in which efficient absorption is only possible over a very narrow band approaching 1.0 (total absorption)? A. Porous material B. Helmholtz resonator C. Panel Absorber D. Membrane absorber

Last Answer : B. Helmholtz resonator

A loudspeaker cabinet has an internal volume of 5,184 in3 (84,950 cm3 ). It has a port area on the baffle of 50 in2 (322.58cm2 ) and a thickness of 0.70 in (18 mm). What is the Helmholtz resonance, in hertz, of this loudspeaker enclosure? A. 250 Hz B. 245 Hz C. 240 Hz D. 255 Hz

Description : A loudspeaker cabinet has an internal volume of 5,184 in3 (84,950 cm3 ). It has a port area on the baffle of 50 in2 (322.58cm2 ) and a thickness of 0.70 in (18 mm). What is the Helmholtz resonance, in hertz, of this loudspeaker enclosure? A. 250 Hz B. 245 Hz C. 240 Hz D. 255 Hz

Last Answer : C. 240 Hz

A speaker cabinet has an internal volume 84,950 cm3 . It has a port area on the baffle of 3,230 cm2 and baffle thickness of 19 mm. What is the Helmholtz resonance hertz of this speaker enclosure? A. 260 Hz B. 245 Hz C. 265 Hz D. 250 Hz

Description : A speaker cabinet has an internal volume 84,950 cm3 . It has a port area on the baffle of 3,230 cm2 and baffle thickness of 19 mm. What is the Helmholtz resonance hertz of this speaker enclosure? A. 260 Hz B. 245 Hz C. 265 Hz D. 250 Hz

Last Answer : B. 245 Hz

Helmholtz Electrical double layer

Description : Helmholtz Electrical double layer

Last Answer : Helmholtz Electrical double layer : The combination of the two layers of opposite charges around the colloidal solute is called Helmholtz Electrical double layer. When the colloidal particles acquire +ve or -ve ... It attracts counter ions from the medium forming a second layer like.

For a heterogeneous catalytic reaction, A + B → C, with equimole feed of A and B, the initial rate - rA0 is invariant with total pressure. The rate controlling step is (A) Surface Kc /(1 + TS ) reaction between absorbed A and B in the gas phase (B) Surface reaction between absorbed A and absorbed B (C) Surface reaction between A in the gas phase and absorbed B(D) Desorption of C

Description : For a heterogeneous catalytic reaction, A + B → C, with equimole feed of A and B, the initial rate - rA0 is invariant with total pressure. The rate controlling step is (A) Surface Kc /(1 + TS ) ... A and absorbed B (C) Surface reaction between A in the gas phase and absorbed B (D) Desorption of C

Last Answer : (D) Desorption of C

Assertion :- Absolute value of enthalpy can not be determined. Reason :- Enthalpy is defined as H = E + PV, and value of internal energy can not be de

Description : Assertion :- Absolute value of enthalpy can not be determined. Reason :- Enthalpy is defined as H = E + PV, and value of internal energy can not be de

Last Answer : Assertion :- Absolute value of enthalpy can not be determined. Reason :- Enthalpy is defined as H = ... . D. If both Assertion & Reason are false.

Women, when buying t-shirts, do you go for the female fitted t's, unisex, or it doesn't matter?

Description : Women, when buying t-shirts, do you go for the female fitted t's, unisex, or it doesn't matter?

Last Answer : answer:I always go for unisex, fitted clothes just makes me feel kind of gross for some reason. I guess I’m a little shy or something. Plus I think unisex is just more comfy. That’s an awesome shirt by the way!

How can I get my classmates to be more understanding of my TS?

Description : How can I get my classmates to be more understanding of my TS?

Last Answer : Can you ask to move to a different group?

Ever noticed, if a man offends a woman, then a gang of women band together, throw out any and all conventions of decorum, and proceed to gnaw the n*ts/b*lls of of the offending male?

Description : Ever noticed, if a man offends a woman, then a gang of women band together, throw out any and all conventions of decorum, and proceed to gnaw the n*ts/b*lls of of the offending male?

Last Answer : What do you think men do when they get offended? And let me clarify—I’m not asking what they do when someone says something offensive—I mean when a man is truly upset, hurt, and offended—what does he do differently? Serious question.

Tommy tackled Tilly to take his tank and tickle her tummy. How many T's are in that sentence. -Riddles

Description : Tommy tackled Tilly to take his tank and tickle her tummy. How many T's are in that sentence. -Riddles

Last Answer : 3- I asked how many T's were in 'that sentence'.

Little Tommy Tittletat took two Ts, to tie two ups to two tall trees, to torment the terrible little tat. How many T's in all of that? -Riddles

Description : Little Tommy Tittletat took two Ts, to tie two ups to two tall trees, to torment the terrible little tat. How many T's in all of that? -Riddles

Last Answer : There are 2 T's in all of ThaT.

What is the atomic number of Ts ?

Description : What is the atomic number of Ts ?

Last Answer : The atomic number of Ts is 117

TS Elliott Poetry Bengali Translation Does Who ?

Last Answer : TS Elliott Poetry Bengali Translation Does Vishnu Give.

The outer cortex of the kidney in a TS appears granular or dotted because of

Description : The outer cortex of the kidney in a TS appears granular or dotted because of

Last Answer : The outer cortex of the kidney in a TS appears granular or dotted because of A. ... uriniferous tubules and Malpighian corpuscles in this region

What is a major difference of interpretation between ts Eliot's the waste land and Geoffrey Chaucer's the Canterbury tales?

Description : What is a major difference of interpretation between ts Eliot's the waste land and Geoffrey Chaucer's the Canterbury tales?

Last Answer : What is the answer ?

What version of this item used to mix batters and dough-ts was created by rufus eastmanin 1885?

Description : What version of this item used to mix batters and dough-ts was created by rufus eastmanin 1885?

Last Answer : What is the answer ?

What are the benefit ts and drawbacks of using pesticides?

Description : What are the benefit ts and drawbacks of using pesticides?

Last Answer : The benefits of pesticides include increased food production, increased profits for farmers and the prevention of diseases. Poisioning hazards kills beneficial insects

Elongation of a peptide chain involves all the following except (A) mRNA (B) GTP (C) Formyl-Met-tRNA (D) Tu, TS and G factors

Description : Elongation of a peptide chain involves all the following except (A) mRNA (B) GTP (C) Formyl-Met-tRNA (D) Tu, TS and G factors

Last Answer : Answer : C

Out of constant pressure and constant volume lines on TS diagram which line has higher slope ? And whether slope is constant or variable ?

Description : Out of constant pressure and constant volume lines on TS diagram which line has higher slope ? And whether slope is constant or variable ?

Last Answer : Constant volume line. Slope is variable.

a direct arrow is drawn from the process to the resource rectangle to represent each pending resource request: a. TS b. SP Cc. CCR d. RAG

Description : a direct arrow is drawn from the process to the resource rectangle to represent each pending resource request: a. TS b. SP Cc. CCR d. RAG

Last Answer : d. RAG

What causes of Tourette syndrome (TS)?

Description : What causes of Tourette syndrome (TS)?

Last Answer : An abnormal metabolism of the neurotransmitters dopamine and serotonin are involved with the disorder. It is genetically transmitted; parents having a 50% chance of passing the gene on to their children. ... chance of displaying symptoms, boys with the gene have a 99% chance of displaying symptoms.

Describe related problems to Tourette syndrome (TS)?

Description : Describe related problems to Tourette syndrome (TS)?

Last Answer : People with TS are more likely to have any combination of the following problems: •Attention-Deficit/Hyperactivity Disorder (ADHD) •Difficulties with Impulse Control (disinhibition) •Obsessive-Compulsive Disorder (OCD) •Various Learning Disabilities (such as dyslexia) •Various Sleep Disorders

What is Tourette syndrome (TS)?

Description : What is Tourette syndrome (TS)?

Last Answer : Tourette Syndrome (TS) is a neurological disorder characterized by tics involuntary, rapid, sudden movements or vocalizations that occur repeatedly in the "me way. Diagnostic criteria include: Both multiple motor ... sometimes disappear for weeks or months at a time; Onset before the age of 18.

Pick up the correct statement from the following: (A) Earliest expected time is denoted by TE (B) Latest occurrence time is denoted by TL (C) Contractual obligation time is denoted by Ts (D) All the above

Description : Pick up the correct statement from the following: (A) Earliest expected time is denoted by TE (B) Latest occurrence time is denoted by TL (C) Contractual obligation time is denoted by Ts (D) All the above

Last Answer : (D) All the above

Products and ser ts and services fa vices fall into two broad cl o two broad classes b asses based on the t ased on the types of co ypes of consumers that us rs that use them. Which is one Which is one of these broad of these broad classes? classes? a. industrial products b. brand equity brand equity c. co-branding d. brand extension

Description : Products and ser ts and services fa vices fall into two broad cl o two broad classes b asses based on the t ased on the types of co ypes of consumers that us rs that use them. Which is ... broad classes? classes? a. industrial products b. brand equity brand equity c. co-branding d. brand extension

Last Answer : a. industrial products

The formula for tension difference or effective pull, required to transmit the load at.... (a) (Tt-Ts)=1000(kw/V) (b) Tt/Ts=c^ke (c) (Tt-Ts)= 1000(Hp/V) (d) None of the above

Description : The formula for tension difference or effective pull, required to transmit the load at.... (a) (Tt-Ts)=1000(kw/V) (b) Tt/Ts=c^ke (c) (Tt-Ts)= 1000(Hp/V) (d) None of the above

Last Answer : (a) (Tt-Ts)=1000(kw/V)

Represent constant volume process on PV & TS diagram for steam.

Description : Represent constant volume process on PV & TS diagram for steam.

Last Answer : Represent constant volume process on PV & TS diagram for steam.

The next term in the series: AB, ED, IH, NM, — is (A) TS (B) ST (C) TU (D) SU

Description : The next term in the series: AB, ED, IH, NM, — is (A) TS (B) ST (C) TU (D) SU

Last Answer : Answer: A

Complete the series BB, FE, II, ML, PP,.......... (A) TS (B) ST (C) RS (D) SR

Description : Complete the series BB, FE, II, ML, PP,.......... (A) TS (B) ST (C) RS (D) SR

Last Answer : Answer: A

The Joule-Thomson co-efficient is defined as (∂T/∂P)H. Its value at the inversion point is (A) ∞ (B) 1 (C) 0 (D) -ve

Description : The Joule-Thomson co-efficient is defined as (∂T/∂P)H. Its value at the inversion point is (A) ∞ (B) 1 (C) 0 (D) -ve

Last Answer : (C) 0

Joule-Thomson co-efficient which is defined as, η = (∂T/∂P)H = 1/Cp (∂H/∂T)P, changes sign at a temperature known as inversion temperature. The value of Joule-Thomson co-efficient at inversion temperature is (A) 0 (B) ∞ (C) +ve (D) -ve

Description : Joule-Thomson co-efficient which is defined as, η = (∂T/∂P)H = 1/Cp (∂H/∂T)P, changes sign at a temperature known as inversion temperature. The value of Joule-Thomson co-efficient at inversion temperature is (A) 0 (B) ∞ (C) +ve (D) -ve

Last Answer : (A) 0

Joule-Thomson co-efficient is defined as (A) µ = (∂P/∂T)H (B) µ = (∂T/∂P)H (C) µ = (∂E/∂T)H (D) µ = (∂E/∂P)H

Description : Joule-Thomson co-efficient is defined as (A) µ = (∂P/∂T)H (B) µ = (∂T/∂P)H (C) µ = (∂E/∂T)H (D) µ = (∂E/∂P)H

Last Answer : (B) µ = (∂T/∂P)H

8. Who defined Operations Research as an aid for the executive in marketing his decisions by providing him with the quantitative information based on the scientific method of analysis? a. C. Kitte b. H.M. Wagner c. E.L. Arnoff d. None of the above

Description : 8. Who defined Operations Research as an aid for the executive in marketing his decisions by providing him with the quantitative information based on the scientific method of analysis? a. C. Kitte b. H.M. Wagner c. E.L. Arnoff d. None of the above

Last Answer : a. C. Kitte

7. Who defined Operations Research as scientific approach to problem solving for executive management? a. E.L. Arnoff b. P.M.S. Blackett c. H.M. Wagner d. None of the above

Description : 7. Who defined Operations Research as scientific approach to problem solving for executive management? a. E.L. Arnoff b. P.M.S. Blackett c. H.M. Wagner d. None of the above

Last Answer : c. H.M. Wagner

Who defined Operations Research as scientific approach to problem solving for executive management. a. E L Arnoff b. H M Wagner c. Churchman d. None of these

Description : Who defined Operations Research as scientific approach to problem solving for executive management. a. E L Arnoff b. H M Wagner c. Churchman d. None of these

Last Answer : b. H M Wagner