Which of the following signs on q and w represent a system that is doing work on the surroundings, as well as losing heat to the surroundings?     q = -, w = -     q = +, w = +     q = -, w = +     q = +, w = -     None of these represent the system referenced above.

Q: 5.60 How are the standard enthalpies of an element and of a compound determined?

A: The standard enthalpies of an element and of a compound have to be determined.

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Q: What are the signs for q and w to represent a system that's doing work on the surroundings, and…

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Q: which of the following signs on q and w represent a system that is doing work on the surroundings…

A: Given :-  System is doing work on surrounding  System is gaining heat from surrounding  To…

Q: Which of the following signs on q and w represent a system that is doing work on the surroundings,…

A: From first law of thermodynamics ∆U = q+w Here ∆U = change in internal energy q = heat transfer w =…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

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A: Note - Since you have asked multiple question, we will solve the first question for you. If youwant…

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A: An endothermic reaction is the one that takes in energy, overall.

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Q: system that is doing work on the surroundings and also gaining heat from surroundings

A: Option 4. Is correct-> q= positive, w= positive We concentrate on the effect that a system (such…

Q: Which of the following signs on q and w represent a system that is doing work on the surroundings,…

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Q: which of the following signs on q and w represent a system that is having work done on it by the…

A: • Sign Convention for Work, w i) w is positive, when work is done on the system by the surroundings…

Q: Which of the following signs on q and w represent the surroundings that is doing work on the system,…

A: This can be explained by the sign convention of first law of thermodynamics.

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A: According to first law of thermodynamics the change in internal energy is expressed as shown below:

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A: Here we have to choose which are state function.

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A: To define the specific heat capacity of an object.

Q: The work done to compress a gas is 74 J. As a result, 26 J of heat is given off to the surroundings.…

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A: Work done to gas = +50 J  Heat lost = -20 J

Q: Under what conditions does the enthalpy change equal the heat of a process

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Q: I don't understand this one.

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A: How the energy expressed in measurements has to be given.

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Q: Which of the following signs on q and w represent a system that is doing work on the surroundings,…

A: The answer is as follows:

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A: Since numerical values of w or Q are not given, we have to use sign convention to find the sign of…

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