What is (a) temperature, (b) heat, (c) work, (d) energy?

Q: (a) According to the first law of thermodynamics, whatquantity is conserved? (b) What is meant by…

A: The First Law of Thermodynamics states that energy can be converted from one form to another with…

Q: An unknown metal with mass (2.480x10^1) g absorbs (6.15x10^1) J of heat. The temperature of this…

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Q: A system does 521 kJ of work and loses 236 kJ of heat to the surroundings. What is the change in…

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Q: 4. A system receives 75 J of electrical work, delivers 274 J of expansion work, and absorbs 168 J of…

A: Givens :   Work done by the system ,                         W   = 274 joules Heat absorbed by the…

Q: A system does 566 kJ of work and loses 216 kJ of heat to the surroundings. What is the change in…

A: From the first law of thermodynamic's... Q = ∆E + W Work done by the system = positive Heat losses…

Q: Change in internal energy is a state function while work is not, why?

A: Change in internal energy is a state function while work is not, why?

Q: Define the term Heat Capacity?

A: Concept introduction: Heat is arises by difference in the temperature of an object and it is also a…

Q: If a system has 475 kcal475 kcal of work done to it, and releases 5.00×102 kJ5.00×102 kJ of heat…

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Q: FR ön the surroundings heat and has work done on it by the surroundings heat and does work on the…

A: Internal energy(E) is the total energy of system. It can be changed by work and heat, ∆E = q + w  To…

Q: 1. ransferred from one system to another spontaneously? What is heat? How does heat differ from…

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Q: Why is it meaningless to speak of the heat possessed by a system?

A: The heat possessed by a system. To speak it is meaningless.

Q: Distinguish between work and heat at the macroscopic level

A: Step 1: At the macroscopic level, there is no difference between work and heat, and they are both…

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: What is Pressure-Volume Work?

A: The work which is done by some change in the volume of system against any applied external pressure…

Q: Which is/are state functions: I. work, w II. Heat, q III. enthalpy, H IV. Internal energy, E

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

Q: standard enthalpies c

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Q: If a gas in a cylinder pushes back a piston against a constant opposing pressure of 4.36 x 105…

A: Given pressure = 4.36 × 105 Pa volume change = 0.877 m3

Q: In the laboratory a student finds that it takes 200 Joules to increase the temperature of 15.0 grams…

A: • The values provided in the question are:-    i) Mass of magnesium, m = 15.0 g  ii) Initial…

Q: When determining the heat capacity of the unknown metal we assumed the heat capacity of the water…

A: The heat capacity is defined as the amount of heat supplied to an object to produce a unit charge in…

Q: Define standard enthalpy.

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Q: A system absorbs 455 J of energy and at the same time 514 of work was done on it. What is the change…

A: Consider the given information is as follows; Q (amount of heat absorbed) = + 455 J Work done on the…

Q: Differentiate between Work and Heat at the macroscopic level.

A: Both heat and work at macroscopic level are similar and are mode of transportation of energy.

Q: For a process, 153 J of heat was released by the system and 267 Jof work was done on the system.…

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Q: What is energy? What is work? List some examples of each.

A: Energy and work are two important parametetrs to define the state of a system. In fact of energy is…

Q: A system gains 767 kJ of heat, resulting in a change in internal energy of the system equal to +201…

A: Find the solution below

Q: Explain what is first law of thermodynamics. How it is related to the conservation of energy?

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Q: There are many scientists who have contributed to the study of thermodynamics.

A: TRUE    CARNOT FATHER OF THERMODYNAMICS HE DISCUSSED ON HEAT,POWER AND ENGINE EFFICIENCY  Rudolf…

Q: Is internal energy a state function?

A: Energy is the capability of doing work.

Q: resulting

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

Q: Define about Heat Capacities ?

A: Amount of heat required to raise the temperature of a substance by 1oC is known as heat capacity.…

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: Define the term pressure-volume work?

A: The term pressure-volume work has to be defined below,

Q: Write an equation that expresses the first law of thermodynamics in terms of heat and work.

A: The First Law of Thermodynamics states that energy can be converted from one form to another with…

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: A 8.45 gram metal ball at 44.7°C is heated with 730 Joules. If the heat capacity of the metal is…

A: Given data is as follows: The mass of metal ball = 8.45 g The initial temperature of the metal ball…

Q: Explain following terms:     1)Heat 2) Heat capacity 3) Specific heat capacity

A: 1. Heat  The energy transferred between two objects at two different temperatures when placed near…

Q: Distinguish between work and energy at the macroscopic level

A: Both heat and work at macroscopic level are similar and are mode of transportation of energy.

Q: specific heat of gold is 0.129J/g C. what is molar heat capacity of gold?

A: The Question is about to calculate the Molar Heat Capacity of Gold -

Q: What is the ratio of the net work done by the system during the cycle and the heat absorbed from a…

A: Second Law of thermodynamics :  It is impossible for a system operating in a cycle connected to a…

Q: How is the change in internal energy of a system related to heatand work?

A: Introduction: Internal energy: Internal energy of a system is defined as the total energy contained…

Q: The specific heat of aluminum is .900J/g degree C, what is its molar specific heat?

A: The specific heat of aluminium=0.900 J/goC Mass of 1 mol of aluminium= 26.98 g Molar heat capacity…

Q: 7,845 cal is equal to how many Joules

A: Given that a question of 7845 calories is change of joule.  1 calories is equal to 4.184 joules

Q: The exchange of energy between a system and its surroundings can occur in two ways: _____________…

A: In thermodynamics, a closed system can exchange energy (as heat or work) but not matter, with its…

Q: What is heat? How does heat differ from thermal energy? Under what condition is heat transferred…

A: Heat: Heat is a form of energy that is transferred from one body to another because of difference in…

Q: The value of ΔE for a system that performs 190 kJ of work on its surroundings and gains 250 kJ of…

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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: A system absorbs 1.54E2 kJ of heat and the surroundings do 1.118E2 kJ of work on the system. What is…

A: 2.618E2 = 2.618 * 10^2 kJ

Q: When 7.59 grams of ice at space minus 20 C have absorbed 2500 calories of heat, what is the…

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