When amount of heat Q is added to a system, and no work is done on it or done by it, its internal energy is equal to a. work b. the amount of heat Q added to a system c. zero d. infinite

Q: 133. The second law of thermodynamics (law of entropy) explains which of the following? A. The heat…

A: Option B is the right answer

Q: (II) Consider the following two-step process. Heat is allowed to flow out of an ideal gas at…

A: Given data: Initial pressure, P1=1.5 atm Final pressure, P2=2.2 atm Initial Volume, V1=6.8 L Final…

Q: Describe an imaginary process that violates both the first and the second laws of thermodynamics.

A:

Q: Consider the human body performing a strenuous exercise, such as lifting weights or riding a…

A: The first law of thermodynamics is valid in a human body in work. The internal energy stored in…

Q: 2- A heat engine absorbs 4500 J of heat energy from a hot reservoir and discards 2500 J into the…

A:

Q: A Carnot heat engine receives heat from a reservoir at 900°C at a rate of 800 kJ/min and rejects the…

A: a. The power output can be calculated as follows, The rate of heat rejected to the ambient air is…

Q: 19  Imagine that we add 295 J of thermal energy to 20 liter (L) (20000 cm3) of air initially at room…

A: (19) Given: The heat added is Q=295 J, The volume of air in the room V1=V2=V=20000 cm3. For air as…

Q: i) A 514g granite pan of specific heat 774 J/kg.°C kept on a stove and 0.280 L water of specific…

A: A graphite pan containing water is cooled down from 86 to 25 degC

Q: i) A 824g glass pan of specific heat 792 J/kg.°C kept on a stove and 0.545 L water of specific heat…

A: Given: The mass of the glass pan is 824 g. The specific heat of the glass is 792 J/kg.C. The volume…

Q: A 3.50-g copper coin at 17.5°C drops 40.0 m to the ground. (a) Assuming 55.0% of the change in…

A: a) The expression to determine the energy required to raise the temperature of the coin is,…

Q: A heat pump is a device that absorbs energy from the cold outdoor air and transfers it to the warmer…

A: Second law of thermodynamics states that energy cannot be transferred from cold body to hot body…

Q: Most houses are not airtight: air goes in and out around doors and windows, through cracks and…

A: The volume of the house,

Q: Occasionally, huge icebergs are found floating on the ocean's currents. Suppose one such iceberg is…

A: length, L = 139 km  width, w = 34.1km height, h = 216 m  density, d = 917 kg/m3  Annual energy = 9.3…

Q: A system moves from state X to Y via path las shown in figure. 100 joules of heat is absorbed by the…

A: In the the Path 1 Heat absorbed Q = 100 J Work done by the system W = 9.56 cal. = 9.56 X 4.2 J…

Q: Q.4) Suppose 100 J of work is done on a system and 60.0 calis extracted from the system as heat in…

A: Given : 100 J of work is done on a system and 60.0 cal is extracted from the system as heat

Q: Occasionally, huge icebergs are found floating on the ocean's currents. Suppose one such iceberg is…

A:

Q: 1. A gas release 35 J of heat as 84J of work was done to compress it. 2. What is work done by a…

A: When a gas is compressed, positive work is done on the system, thus we have according to first law…

Q: 15. This pV-diagram shows two ways to take a system from state a (at lower left) to state c (at…

A:

Q: i) When two objects are in then heat flows out from hot to cold. During this process the internal…

A: (i) When two objects are in thermal contact, then heat flows out from hot to cold. During this…

Q: 1. Which of the following is NOT true when two systems with unequal temperatures come into contact…

A: we know that when two systems of different temperatures come in contact then the heat flows from the…

Q: Occasionally, huge icebergs are found floating on the ocean's currents. Suppose one such iceberg is…

A: Volume = 148000 * 39100 * 247 m3  = 1.43 * 1012 m3 Mass = volume * density  = 1.43 * 1012 * 917  =…

Q: Which of the following statements best describes the first law of thermodynamics? a. the change in…

A:

Q: 1. A steam power plant receives heat from a furnace at a rate of 280 GJI/h. Heat losses to the…

A: Heat received from the furnace Q1=280 GJ/h and heat lost to surrounding components Qo=8 GJ/h. Heat…

Q: The internal energy of a system changes because the system gains 165 J of heat and performs 306 J of…

A:

Q: The second law of thermodynamics states that heat by itself flows only from bodies of higher…

A: The second law of thermodynamics states that heat by itself flows only from bodies of higher…

Q: An ideal gas increased in volume form 2.0m3 to 5.5m3 under constant pressure of 2 500 Pascal. How…

A: The given data are listed below with appropriate variables. Here, V1 denotes the initial volume, V2…

Q: Can heat flow either into or out of a substance without the substance changing temperature? If not,…

A: In general when a heat is imparted or taken away from a body, it is coupled with a change in…

Q: Consider the following statements about the Zero Law of Thermodynamics: 1. Two bodies are in thermal…

A: This question is based on Thermodynamics Topic. Thermodynamic Laws talk about the flow of heat…

Q: 3. A heat engine does not convert all of the heat that flows through it into mechanical energy.…

A: According conservation of energy, energy can not be created not be destroyed.

Q: How does the first law of thermodynamics apply to systems that are not isolated?

A:

Q: 21. A heat engine would violate the second law of thermodynamics if it * O A. changed all the heat…

A: For a heat engine , it  must reject some of the heat it receives from the high-temperature source to…

Q: You just took a jar out of the fridge but you are unable to open it. You then decide to leave run…

A: Most of the time lid is made of metals. So when it is taken out from freeze . It actually get…

Q: 49. Consider the process for steam in a cylinder shown below. Suppose the change in the internal…

A: Work done= Area under the curve

Q: 24. A process whose only net result is to absorb heat from a cold reservoir and release the same…

A: According to the second law of thermodynamics of Clausius statement: "it is impossible to construct…

Q: 1. Based on your understanding of thermodynamics, describe what will eventually happen to a cup of…

A: Temperature difference between two systems cause heat exchange between the systems. Heat is…

Q: 3- A gas is compressed at a constant pressure of 1.2 Pa from 0.008 m to 0.002 m. In the process, 130…

A: According to first law of thermodynamics the internal energy of a system is defined as the…

Q: Heat always flows spontaneously from an object with a higher temperature to an object with a lower…

A: From the thermodynamics second law, it is clear that heat is propagated from the object which is…

Q: II) When two objects are in then heat flows out from hot to cold. During this process the internal…

A: It is a thermodynamic process and can be answered as follows  Answer:) 1.contact 2.decreases/goes…

Q: A Carnot heat engine uses a hot reservoir consisting of a large amount of boiling water and a cold…

A: The mass of ice is 4.25x10-2kg.Write the expression for work done by heat engine.

Q: 2. A thermodynamic process that maintains a constant volume is called an isochoric process. During…

A: Given:quantity of water : 100 mL, i.e m = 100 gchange in temperate, ∆T = 5°C The process was…

Q: 44. Multiple-Concept Example 6 provides a review of the concepts thatplay roles here. An engine has…

A: Part A. Say, Work done by engine= W = 5500 J Input heat = Q Output or Rejected heat = q Efficiency…

Q: non flow enegy system, 1020 KJ of heat enegy is suplied to the system and 760 kJ of work transfers…

A: We know that the  first law of thermodynamics, In the nonflow energy system, is given as  Q = ∆U+W…