Work is done on the system and heat is absorbed by the system. What are the signs on heat and work? q= +, w = + oq= +, w = - Oq=D-,w3= + q = -, w = -

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

A: “The relationship between heat with other forms of energy like light, mechanical work is studied…

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: 4. Which among the following refers to the value of internal energy. A 1025 J of heat energy is…

A: First law of thermodynamic says  Q = ΔE + W

Q: A system gains 647 kJ of heat, resulting in a change in internal energy of the system equal to +226…

A:

Q: 300J of heat is added to the  system and 180 J of work is done by the system through expansion. How…

A: Given that: Heat added to the system (q) = 300 J Work done by the system (w) = -180 J Internal…

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: The condition where a system that is doing work (w) on the surroundings while gaining heat (q) from…

A: Explanation to the correct answer is given below

Q: What is the change in internal energy for a system which loses 422 J of heat, and on which 227 J of…

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

Q: Calculate q, and determine whether heat is absorbed or released when a system does work on the…

A: Sign convention: Work done by the system on the surrounding = negative (-) Work done on the system…

Q: 3,000 J of heat is added to a system and 2,500 J of work is done by the system. What is the change…

A: Given: The heat added to the system is 3000 J. The work done by system is 2500 J. Introduction:…

Q: Use the References to access important values if needed for this question. An automobile engine…

A: According to firsta Law of thermodynamic we know that ∆U = q + w ∆U = change in internal energyq…

Q: If, in defining the specific heat, temperature is represented in ∘F instead of ∘C then the numerical…

A: Both Fahrenheit (oF ) and degree Celsius ( oC) is unit of temperature.

Q: A system gains 612 kJ of heat, resulting in a change in internal energy of the system equal to +181…

A: Given,Heat gain (Q)=612kJChange in internal energy(∆U)=181kJ

Q: resulting

A: ∆U = q + w  Where : ∆U = change internal energy = +166kJ  Heat(q) = +762 kJ ( positive value because…

Q: A process in a system gives the following values. q = -890 J ; w = +2718 J What is the change in…

A: According to the 1st law of thermodynamic          ∆U = q + w ∆U =change of  Internal energyq =heat…

Q: A system gains 727 kJ727 kJ of heat, resulting in a change in internal energy of the system equal to…

A: As we know; deltaU = Q + W  where delta U is change in internal energy  Q = heat produced  W =…

Q: net change in the internal energy

A:

Q: What is the internal energy of the system that absorbs 90 J of heat and 15 J work done by the…

A:

Q: A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into…

A: Given: The pressure of the mixture is 1 atm. The heat released is 349 kJ. The heat that flows in…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 567.0 mg sample…

A: amount of heat needed q = m x S x ∆T  where  q = 11.6 J  m = mass of sample = 567 mg x 10-3 g/1mg =…

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

A: Energy can exchange as heat in case the system and surroundings are at different Temperature and are…

Q: A system gains 612 kJ of heat, resulting in a change in internal energy of the system equal to +181…

A: Interpretation: A system gains 612 kJ of heat, resulting in a change in internal energy of the…

Q: An 80.0 g sample of a gas was heated from 25 °C to 225 °C. During this process, 346 J of work was…

A: The relationship between the internal energy change, heat and work is given by  ΔE = q + W where ΔE…

Q: What is the change in internal energy for a system if the system absorbs 322 kJ of heat and has…

A: Given that,  Heat absorbed by the system q = 322 KJ Work done on the system w = 750.0 KJ

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

A: Sign of w:  Work done by the system= - (negative)  Work done on the system = + (positive)  Heat…

Q: A change in a system occurs such that 31.1 J of work is done by the surroundings and 22.4 J of heat…

A: Internal energy is the stored energy of the system. From the first law of thermodynamics it is clear…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.34 kg sample…

A: Mol= weight/ molar mass  first find the moles in 0.34kg

Q: A system gains 667 kJ667 kJ of heat, resulting in a change in internal energy of the system equal to…

A: According to the first law of thermodynamics; Consider the given information is as follows;…

Q: The work done to compress a gas is 87 J. As a result, 56 J of heat is given off to the surroundings.…

A: Given , work done to compress a gas is 87J  Heat is 56 J  We have to calculate the change in…

Q: A system gains 697 kJ of heat, resulting in a change in internal energy of the system equal to +226…

A: The objective of the question is to calculate the amount of work done on or by the system when it…