Which of the following statements is incorrect?   Heat flows from a system into the surroundings in an endothermic process Internal energy is a state function The value of q is positive in an endothermic process The value of q is positive when heat flows into a system from the surroundings   Enthalpy is a state function

Q: A change in a system occurs such that 92.1 J of heat flows in to the system and 31.8 J of work is…

A: From the first law of thermodynamics, ∆U = Q - W where, ∆U = change in internal energy  Q = heat…

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: internal energy of the system is expected to increase/ decrease Sign and symbol Heat (q) is…

A: We need to determine change in internal energy when heat is given, taken, work is done, work is…

Q: A system gains 617 kJ of heat, resulting in a change in internal energy of the system equal to +161…

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Q: Sign conventions for Heat (g) and Work (w) : The change in internal energy of a system can be…

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Q: Which statement below regarding heat capacity is FALSE? a. Specific heat capacity refers to the…

A: Specific heat capacity:Specific heat capacity is the amount of heat energy required to raise the…

Q: 24. Which of the following concepts are forms of energy transfer in a system? Group of answer…

A: Answer According to 1st law of thermodynamics     ∆E  =  ∆H + ∆W…

Q: 650 J of work is done when a gas is compressed in a cylinder. During this process, there is a heat…

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Q: Internal energy and enthalpy. • Extensive and intensive properties.

A: Thermodynamics is most important part of physical chemistry.Thermodynamics means flow of heat. It…

Q: The following are factors affecting specific heat except: Choose from the choices below:…

A: This question is related to defining the specific heat and factors that affect it. Follow…

Q: Solid lithium perchlorate dissolves in water according to the equation below. LiClO4 (s) ➝ Li+ (aq)…

A: Given: mass of  LiClO4 = 7.00 g mass of water = 40.0 g Initial temperature of water = 29.00 ºC…

Q: Use standard enthalpies of formation to calculate the standard change in enthalpy for the melting of…

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Q: A particular container holds 4.344.34 mol of neon gas. The volume of this container can be altered…

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Q: True or False? Because a state function depends on the current equilibrium of the system, a set of…

A: True.

Q: Suppose a system receives a “deposit” of 50 J of work from thesurroundings and loses a “withdrawal”…

A: Given: A system receives a “deposit” of 50 J of work from the surroundings and loses a “withdrawal”…

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 statement/statements are true about thẻ system? a. Heat absorbed by the system (endothermic…

A: System: It is the part or body which contains walls that surround the matter, substances, or…

Q: Use standard enthalpies of formation to calculate the standard change in enthalpy for the melting of…

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Q: A student runs a reaction in a closed system. During the reaction, 64.7 kJ of heat is released to…

A: According to the first law of thermodynamics, the energy of the universe remains constant. For a…

Q: Why not all endothermic processes that do work on the surroundings have the same sign for internal…

A: Endothermic processes are the processes which absorb heat energy from the surroundings. These…

Q: Calorimetry calculations often assume no heat exchange between the calorimeter and the surroundings,…

A: The physical change or heat of a chemical reaction as well as heat capacity is determined by the…

Q: A cylinder and piston system releases 328 J of heat and does 144 J of work pushing the piston…

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Q: Calculate the value of internal energy if 670J of heat energy is absorbed by the surrounndings and…

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Q: If the system is defined as a gas in a container, then a decrease in internal energy of the system…

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Q: Which of the following which is/are true about the internal energy, E?   (i) The total energy of…

A: Internal Energy is defined as energy dissociated with the random, disordered motion of Molecules.

Q: An electric heater supplies energy to a 55.0 g block of Al. The temperature was originally 22.5 °C…

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Q: Enthalpy is a state function. What does it mean to be a state function?

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Q: 1. Which of the following does not result in a change in the internal energy of the system? a. work…

A: Internal energy of the system is not changed in which of the changes: a. Work is done on the system…

Q: What statement is False? A). in an endothermic process, heat is transferred from the surroundings…

A: *Statement-A The reaction in which heat is released from system to surrounding is called exothermic…

Q: 31. A 345 J of work was done on the system. At the same time, the system absorbs 148 J heat from the…

A: According to the first law of thermodynamics, the energy of the universe remains constant. For a…

Q: Which of the following is/are TRUE for an endothermic process in an open or closed system? I. The…

A: We have to tell which statement is true.

Q: Which of the following statements is/are TRUE? I. Enthalpy is the heat content of a particular…

A: As this a multiple choice question. The answer is given below:

Q: A calorimeter is a well insulated container that limits the transfer of heat between our process and…

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Q: The combustion of 1.876 g of propanol (C,H,OH) increases the temperature of a bomb calorimeter from…

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Q: Which of the following statements is/are CORRECT? A system is defined as an object or collection of…

A: The statements which are correct are,  1) A system is defined as an object or collection of objects…

Q: Find the value of internal energy if the system absorbed 534J of heat energy and 356 work is done on…

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Q: Which of the following statement is/are true abe I. Energy is can be transferred and transformed.…

A: According to first law of thermodynamics:  It is the law of conservation of energy and can be stated…

Q: A calorimeter contains 140 g water. The calorimeter and the water inside are both at 24 °C. A piece…

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Q: Equation used to determine the heat absorbed or released in a given process Choose. Endothermic…

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Q: A change in a system occurs such that 13.6 J of heat flows in to the system and 13.4 J of work is…

A: Given heat flowing into the system = 13.6 J work done by the surroundings = 13.4 J

Q: Which of the following statements is TRUE about the calibration of the improvised calorimeter in the…

A: Calorimetry is used to determine the flow of heat to and from the system. Calorimeter is the…

Q: In the design of an experiment to the measure the heat change of a chemical reaction in an aqueous…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: Measurements show that the energy of a mixture of gaseous reactants increases by 316. kJ during a…

A: The relation between change in enthalpy, work, and internal energy is given as: ∆H=∆U+w…

Q: A calorimeter is found to have a constant (B) of 16.0 J/°C. When 25.8 grams of water at 26.8°C is…

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Q: A cylinder and piston system releases 328 J of heat and does 144 J of work pushing the piston…

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Q: 1. 40.0 g of ice cubes at 0.0°C are combined with 150. g of liquid water at 20.0°C in a coffee cup…

A: Given: Mass of ice cubes added = 40.0 g. Mass of hot water used = 150 g. Initial temperature of hot…

Q: Suppose that q is negative and w is positive for a gas (from the perspective of the system). This…

A: Energy cannot be destroyed or created, according to the basic law of thermodynamics, but it can be…

Q: When 3.16 g of salicylic acid, C7H6O3, is burned in a bomb calorimeter containing 5.00 kg of water…

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Q: Under what condition(s) is the enthalpy change of a process equal to the amount of heat transferred…

A: The heat energy of the system at constant pressure in given temperature is called enthalpy of the…