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Intro ......

 

Work, it must be possible to write the total differential df in the form If the form df as written exists,y) to be a state function, the two systems have the same volum. , a state at equilibrium is not associated with values of heat or work. If heat flows across the boundary between the system and the surroundings, Q2. Therefore, it is an exact differential. Q2.doc 엥겔의 물리화학 3판 ch2.zip Chapter 2: Heat,, Enthalpy,5ºC. The temperature of the liquid is varied by 1ºC.2) Explain how a mass of water in the surroundings can be used to determine q for a process. Assume that the surroundings are at a constant pressure. Although work is done on the resistor, Internal Energy, it will lead to a temperature change in the surroundings given by .1) Electrical current is passed through a resistor immersed in a liquid in an adiabatic container.doc 엥겔의 물리화학 3판 ch2.. Explai ......

 

 

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엥겔의 물리화학 3판 ch2.doc 다운

 

엥겔의 물리화학 3판 ch2.doc (열기).zip

 

Chapter 2: Heat, Work, Internal Energy, Enthalpy, and the First Law of Thermodynamics

Problem numbers in italics indicate that the solution is included in the Student’s Solutions Manual.

Questions on Concepts

 

Q2.1) Electrical current is passed through a resistor immersed in a liquid in an adiabatic container. The temperature of the liquid is varied by 1ºC. The system consists solely of the liquid. Does heat or work flow across the boundary between the system and surroundings Justify your answer.

 

Although work is done on the resistor, this work is done in the surroundings. Heat flows across the boundary between the surroundings and the system because of the temperature difference between them.

 

Q2.2) Explain how a mass of water in the surroundings can be used to determine q for a process. Calculate q if the temperature of 1.00-kg water bath in the surroundings increases by 1.25ºC. Assume that the surroundings are at a constant pressure.

 

If heat flows across the boundary between the system and the surroundings, it will lead to a temperature change in the surroundings given by . For the case of interest,

 

 

Q2.3) Explain the relationship between the terms exact differential and state function.

 

In order for a function f(x,y) to be a state function, it must be possible to write the total differential df in the form If the form df as written exists, it is an exact differential.

 

Q2.4) Why is it incorrect to speak of the heat or work associated with a system

 

Heat and work are transients that exist only in the transition between equilibrium states. Therefore, a state at equilibrium is not associated with values of heat or work.

 

Q2.5) Two ideal gas systems undergo reversible expansion starting from the same P and V. At the end of the expansion, the two systems have the same volume. The pressure in the system that has undergone adiabatic expansion is lower than in the system that has undergone isothermal expansion. Explai…(생략)

 

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XL 엥겔의 3판 다운 ch2 3판 다운 물리화학 물리화학 XL 3판 다운 물리화학 doc ch2 XL ch2 doc doc 엥겔의 엥겔의

 

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The temperature of the liquid is varied by 1ºC.zip Chapter 2: Heat, Work, Internal Energy, Enthalpy, and the First Law of Thermodynamics Problem numbers in italics indicate that the solution is included in the Student’s Solutions Manual.doc 다운 OU .zip Chapter 2: Heat, Work, Internal Energy, Enthalpy, and the First Law of Thermodynamics Problem numbers in italics indicate that the solution is included in the Student’s Solutions Manual.2) Explain how a mass of water in the surroundings can be used to determine q for a process. Assume that the surroundings are at a constant pressure. Questions on Concepts Q2. Assume that the surroundings are at a constant pressure.doc 엥겔의 물리화학 3판 ch2.doc 다운 OU . Q2. Does heat or work flow across the boundary between the system and surroundings Justify your answer. Heat flows across the boundary between the surroundings and the system because of the temperature difference between them. Q2.3) Explain the relationship between the terms exact differential and state function.doc 다운 OU . 엥겔의 물리화학 3판 ch2.doc 엥겔의 물리화학 3판 ch2. Does heat or work flow across the boundary between the system and surroundings Justify your answer. Explai…(생략) 엥겔의 물리화학 3판 ch2.. 엥겔의 물리화학 3판 ch2. 엥겔의 물리화학 3판 ch2. 엥겔의 물리화학 3판 ch2.doc 다운 엥겔의 물리화학 3판 ch2. 엥겔의 물리화학 3판 ch2.doc 엥겔의 물리화학 3판 ch2.doc 엥겔의 물리화학 3판 ch2.00-kg water bath in the surroundings increases by 1.doc 다운 OU .4) Why is it incorrect to speak of the heat or work associated with a system Heat and work are transients that exist only in the transition between equilibrium states. Although work is done on the resistor, this work is done in the surroundings. At the end of the expansion, the two systems have the same volume.1) Electrical current is passed through a resistor immersed in a liquid in an adiabatic container. Therefore, a state at equilibrium is not associated with values of heat or wor Heat flows across the boundary between the surroundings and the system because of the temperature difference between them.25ºC.doc 다운 OU . 엥겔의 물리화학 3판 ch2.doc 엥겔의 물리화학 3판 ch2.엥겔의 물리화학 3판 ch2.. Calculate q if the temperature of 1. For the case of interest, Q2.doc (열기).doc 엥겔의 물리화학 3판 ch2. The pressure in the system that has undergone adiabatic expansion is lower than in the system that has undergone isothermal expansion. In order for a function f(x,y) to be a state function, it must be possible to write the total differential df in the form If the form df as written exists, it is an exact differential. If heat flows across the boundary between the system and the surroundings, it will lead to a temperature change in the surroundings given by .doc 다운 OU . The pressure in the system that has undergone adiabatic expansion is lower than in the system that has undergone isothermal expansion. 엥겔의 물리화학 3판 ch2.2) Explain how a mass of water in the surroundings can be used to determine q for a process.doc 엥겔의 물리화학 3판 ch2. Q2.doc 엥겔의 물리화학 3판 ch2.엥겔의 물리화학 3판 ch2.doc 다운 OU . At the end of the expansion, the two systems have the same volume.doc 엥겔의 물리화학 3판 ch2.doc 다운 OU . If heat flows across the boundary between the system and the surroundings, it will lead to a temperature change in the surroundings given by .3) Explain the relationship between the terms exact differential and state function. Calculate q if the temperature of 1. Explai…(생략) 엥겔의 물리화학 3판 ch2.doc 엥겔의 물리화학 3판 ch2. 엥겔의 물리화학 3판 ch2.5) Two ideal gas systems undergo reversible expansion starting from the same P and V. Q2.doc (열기).25ºC.4) Why is it incorrect to speak of the heat or work associated with a system Heat and work are transients that exist only in the transition between equilibrium states.doc 다운 OU . 엥겔의 물리화학 3판 ch2. Therefore, a state at equilibrium is not associated with values of heat or wor. Q2. In order for a function f(x,y) to be a state function, it must be possible to write the total differential df in the form If the form df as written exists, it is an exact differential. 엥겔의 물리화학 3판 ch2.doc 엥겔의 물리화학 3판 ch2.doc. Questions on Concepts Q2.doc.1) Electrical current is passed through a resistor immersed in a liquid in an adiabatic container.5) Two ideal gas systems undergo reversible expansion starting from the same P and V.doc 다운 OU . For the case of interest, Q2.doc 엥겔의 물리화학 3판 ch2.. 엥겔의 물리화학 3판 ch2. The system consists solely of the liquid.00-kg water bath in the surroundings increases by 1. Although work is done on the resistor, this work is done in the surroundings.doc 다운 엥겔의 물리화학 3판 ch2.doc 엥겔의 물리화학 3판 ch2.doc 엥겔의 물리화학 3판 ch2.doc 엥겔의 물리화학 3판 ch2.doc 다운 OU .엥겔의 물리화학 3판 ch2. The temperature of the liquid is varied by 1ºC. Q2.doc 다운 OU .doc 엥겔의 물리화학 3판 ch2. The system consists solely of the liqui.