What was the internal heat when the change in energy was 750 J and the work by the system was 200 J? 1500 J 950 J O 550 J 3.75 J

Q: In a gas expansion, 91 J of heat is absorbed from the surroundings, and the energy of the system…

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Q: A 100.0 g piece of metal at 100°C is placed in contact with 50.0 g of water (s = 4.184 J g–1 °C–1)…

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Q: A sample of gas in a cylinder with a free-floating piston for a lid is heated. The gas gains 107 J…

A: given heat (q) = 107 J work done (w) = 23 J

Q: What is the specific heat capacity of a metal if it requires 269.6 J to change the temperature of…

A: q=ms∆T Putting these values.

Q: A piston compresses the air in the cylinder by doing 84J of work on the air. As a result, the air…

A: Given,  What is change in internal energy = ΔU = ?

Q: What is the change in internal energy when a system is heated with 35 J of energy while it does 15 J…

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Q: the standard enthalpy of formation of HCl(aq)  is  kJ/mol.

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Q: The Combustion of gasoline is an exothermic process. Let us assume that the combustion of gasoline…

A: In this question we want to determine the heat Produces from the combustion of 692g of Octane. How…

Q: A gas expands and does P-V work on the surroundings equal to 325 J. At the same time, it absorbs 127…

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Q: The change in internal energy of a system is +10.0 J and the system acquires 15 J of heat. How much…

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Q: A chemist wastes a delicious brownie by burning it in a bomb calorimeter.  Before burning, the…

A: Given: The change in temperature of the calorimeter, (∆T) = 8.75 0C. The heat capacity of…

Q: In a process, the surroundings do 200 J of work on a gas, and the total energy change of the gas is…

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Q: In a gas expansion,  9.0  ×  101  J of heat is absorbed by the system, and the energy of the system…

A: According to the first law of thermodynamic;

Q: If a system has 4.50×102 kcal of work done to it, and releases 5.00×102 kJ of heat into its…

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Q: Describe the relationship of enthalpy, work, and internal energy. Calculate the ∆U for these…

A: First law of thermodynamics state that energy can neither be created nor be destroyed but can be…

Q: 49.85 grams of solid silver carbonate is dissolved in the calorimeter and the temperature goes from…

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Q: A system absorbs 21.6 kJ of heat while performing 6.9 kj of work on the surroundings. If the initial…

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Q: A system expands from a volume of 1.00 L to 2.00 L against a constant external pressure of 1.00 atm.…

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Q: A certain system absorbs 0.100 kJ of heat and has 0.800 kJ of work performed on it. What is the…

A: The formula for the calculation of internal energy is : internal energy(ΔE) = heat(q) + work(w)

Q: A system does 100 J of work on the surroundings while absorbing 300 J of heat from the surroundings.…

A: Given that  Heat absorbed (Q) = 300J

Q: What is the work performed when a gas expands from 0.25 L to 2.33 L against an external pressure of…

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Q: A chemical reaction is run in which 648 Joules of heat are absorbed and the internal energy changes…

A: Since the change in internal energy ΔE is given by  ΔE = q + w where q = heat absorbed by the system…

Q: A gas is expanded in a cylinder from a volume of 2 L to 22 L by a constant pressure of 2 atm.…

A: As the gas is extended here at a constant pressure. So the work done for isobaric process is given…

Q: surroundings, what is the AE for the surroundings?

A: The first law of thermodynamics is mathematically expressed as: ∆E=Q+W∆E=Q+W.............. (1) Where…

Q: Consider a process where the work term is +21 kJ and the heat term is -17 kJ.  Which of these…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: A system has 400J of heat added to it and then subsequently use 160J to do work. What is the change…

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Q: suppose that a system gives off 50.1 kJ of heat and has 300. J of work done on it.   What is the…

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Q: A 3.971 g sample of a new organic material is combusted in a bomb calorimeter. The temperature of…

A: The total heat can be calculated as,

Q: what is the change in internal energy (Δ? or Δ?) of the system?

A: The energy which is associated with the random or disordered motion of molecules is called as the…