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First Law of Thermodynamics Solutions Library

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41 solutions

First Law of Thermodynamics

Q. Consider the two diagrams below.How do both diagram (i) and your equation relate to the fact that enthalpy is a state function?

Solved • Jun 30, 2020

First Law of Thermodynamics

Q. In what ways is the balance in your checkbook a state function?

Solved • Jun 30, 2020

First Law of Thermodynamics

Q. A system goes from state 1 to state 2 and back to state 1.Suppose the changes in state are reversible processes. Can you conclude anything about th...

Solved • Jan 3, 2019

First Law of Thermodynamics

Q. Explain how the sum of heat and work can be a state function, even though heat and work are themselves not state functions.

Solved • Nov 12, 2018

First Law of Thermodynamics

Q. Is internal energy a state function?

Solved • Nov 12, 2018

First Law of Thermodynamics

Q. A friend claims to have constructed a machine that creates electricity, but requires no energy input.Explain why you should be suspicious of your f...

Solved • Nov 12, 2018

First Law of Thermodynamics

Q. What is a state function?

Solved • Nov 12, 2018

First Law of Thermodynamics

Q. List some examples of state functions.

Solved • Nov 12, 2018

First Law of Thermodynamics

Q. By what means can the internal energy of a closed system increase?

Solved • Oct 31, 2018

First Law of Thermodynamics

Q. Imagine that you are climbing a mountain.Is the distance you travel to the top a state function?

Solved • Oct 31, 2018

First Law of Thermodynamics

Q. Imagine that you are climbing a mountain.Is the change in elevation between your base camp and the peak a state function?

Solved • Oct 31, 2018

First Law of Thermodynamics

Q. Consider the two diagrams below.Would similar relationships hold for the work involved in each process? Why?  Match the words in the left column to...

Solved • Oct 31, 2018

First Law of Thermodynamics

Q. Which of the following cannot leave or enter a closed system? Heat, work, or matter?

Solved • Oct 31, 2018

First Law of Thermodynamics

Q. What do we call the part of the universe that is not part of the system?

Solved • Oct 31, 2018

First Law of Thermodynamics

Q. Which cannot leave or enter an isolated system? Heat, work, or matter?

Solved • Oct 31, 2018

First Law of Thermodynamics

Q. You lose 9 pounds over a 26-day period. Which of the following quantities act like a state function: the number of calories you consume, your weigh...

Solved • Oct 31, 2018

First Law of Thermodynamics

Q. H is a state function, but q is not a state function. Explain.

Solved • Oct 31, 2018

First Law of Thermodynamics

Q. What is meant by the term state function? 

Solved • Oct 31, 2018

First Law of Thermodynamics

Q. Give an example of a quantity that is a state function and one that is not.

Solved • Oct 31, 2018

First Law of Thermodynamics

Q. Why volume is a state function?

Solved • Oct 31, 2018

First Law of Thermodynamics

Q. Is the volume of the system a state function?

Solved • Oct 31, 2018

First Law of Thermodynamics

Q. Is a human being an isolated, closed, or open system?

Solved • Oct 31, 2018

First Law of Thermodynamics

Q. A closed system.If the piston is pulled upward so that it sits halfway between the position shown and the top of the cylinder, is the system still ...

Solved • Oct 31, 2018

First Law of Thermodynamics

Q. You may want to reference (Pages 167 - 172) Section 5.2 while completing this problem.Indicate which of the following is independent of the path by...

Solved • Oct 31, 2018

First Law of Thermodynamics

Q. In a thermodynamic study a scientist focuses on the properties of a solution in an apparatus as illustrated. A solution is continuously flowing int...

Solved • Oct 31, 2018

First Law of Thermodynamics

Q. In a thermodynamic study a scientist focuses on the properties of a solution in an apparatus as illustrated. A solution is continuously flowing int...

Solved • Oct 31, 2018

First Law of Thermodynamics

Q. In a thermodynamic study a scientist focuses on the properties of a solution in an apparatus as illustrated. A solution is continuously flowing int...

Solved • Oct 31, 2018

First Law of Thermodynamics

Q. Explain the significance of the law of conservation of energy.

Solved • Oct 25, 2018

First Law of Thermodynamics

Q. Which of the following is not a state function?a. Internal Energyb. Free Energyc. Enthalpyd. Entropye. Heat

Solved • Mar 20, 2018

First Law of Thermodynamics

Q. Classify each of the following as a path function or a state function.i) Workii) Energyiii) Distance travelediv) Enthalpyv) Heat

Solved • Sep 25, 2017

First Law of Thermodynamics

Q. Which statement is not correct? a. Internal energy, E, is a state function. b. Heat and work are state functions. c. Heat is given off to the su...

Solved • Jul 26, 2017

First Law of Thermodynamics

Q. Which of the following is true of a general thermodynamic state function? 1. The change of the value of a state function is independent of the pat...

Solved • Jun 22, 2017

First Law of Thermodynamics

Q. Which of the following statements is TRUE? A) Entropy is not a state function. B) Endothermic processes are never spontaneous. C) Endothermic pr...

Solved • Aug 29, 2016

First Law of Thermodynamics

Q. (a) What is meant by the term state function?

Solved • Jul 13, 2016

First Law of Thermodynamics

Q. Imagine that you are climbing a mountain. (a) Is the distance you travel to the top a state function? Why or why not?

Solved • Jul 12, 2016

First Law of Thermodynamics

Q. Which of the following is not a state function?A. PressureB. ConcentrationC. Internal energyD. Work

Solved • Apr 5, 2016

First Law of Thermodynamics

Q. Which is a state function (mark all that apply)?a) flame heatingb) enthalpyc) entropyd) electrical worke) none of these

Solved • Feb 21, 2016

First Law of Thermodynamics

Q. Which of the following statements concerning the first law of thermodynamics is/are true?I) The internal energy of the universe is always increasin...

Solved • Feb 12, 2016

First Law of Thermodynamics

Q. Which one of the following thermodynamics quantities is  not a state function?a. workb. enthalpyc. entropyd. internal energye. free energy

Solved • Feb 2, 2016

First Law of Thermodynamics

Q. Which one of the following thermodynamic quantities is not a state function?a) workb) enthalpyc) entropyd) internal energye) free energy 

Solved • Feb 2, 2016

First Law of Thermodynamics

Q. Which of the following statements is TRUE?   a. State functions are not dependent on the path taken to reach a particular state. b. The change i...

Solved • Feb 2, 2016