A sophomore with nothing better to do adds heat to 0.500 kgkg of ice at 0 ∘C∘C until it is all melted.  A) What is the change in entropy of the water? J/K B) The source of the heat is a very massive body at a temperature of 25.0 ∘C∘C. What is the change in entropy of this body? J/K C) What is the total change in entropy of the water and the heat source? J/K

Q: A thermodynamic process occurs with a heat lost by the system. Does the entropy of the system…

A: No beacuse heat loss means increase in entropy according to second law  of thermodynamics.

Q: Which of the following ia/are not true about the second law of thermodynamics? a. it may provide an…

A: There are 4 laws of thermodynamics. They are given as under, (1) Zeroth law of thermodynamics (2)…

Q: The temperature inside of a house is 27 ºC and outside is –23 ºC ? Determine the change in entropy…

A: The change in entropy of the system at constant temperature is given by  Where  = Entropy Change,…

Q: a. How much heat is required to change 50 grams of ice, at an initial temperature of 0°C, to steam…

A: In given question, first the ice changes to water by absorbing  latent heat of fusion then the water…

Q: 0.2kg cup of tea at Ti=368.15K is left to cool down in a room at 293.15K. Calculate the following…

A: The heat transferred to the system divided by the system temperature is the entropy change of the…

Q: Water is slowly warmed from 17.0°C to 85.0°C. If the mass of the water is 320 g, what is the water's…

A: Solution: Given that: Mass of the water is: m=320g=0.32 kg Temperatures are:…

Q: A container with 41 g of a certain liquid (c = 4171 J/kg · °C, Lv=2224 kJ/kg) at 22 °C is heated up…

A:

Q: A Styrofoam cup holding 130 g of hot water at 97°C cools to room temperature, 23.0°C. What is the…

A:

Q: A 700.0 g block ice at -20 °C is brought into thermal contact with 30.0 g of water at 0 °C in an…

A: Since the system is adiabatic (no heat exchange with the surroundings) and at constant pressure, the…

Q: Half of a 1.5-kg block of ice melts at 0.00°C. What is the change in entropy of the ice? Note that…

A: given that,mass, m=1.5 kgheat of fusion L=333kJkgT=0°C=273 K

Q: An ice tray contains 360 g of liquid water at 0°C. Calculate the change in entropy of the water as…

A:

Q: A heat engine draws in 537 J of heat and expels 121 J of heat. a) Find the work produced by the heat…

A: Given Qi=537J Qe=121J

Q: The temperature at the surface of the Sun is approximately 5,600 K, and the temperature at the…

A: Solution: Given data, Sun temperature=5600 K Earth temperature=293 K Energy=5000 J

Q: We mix 8 litre of helium with 2 litre of argon at 300 K and atmospheric pressure. Calculate the…

A:

Q: A body at 583.37 K undergoes a reversible isothermal process. The heat energy removed in the process…

A:

Q: A freezer is used to freeze 1.5 L of water completely into ice. The water and the freezer remain at…

A: The expression for change in entropy is, ∆S=QT…

Q: In an experiment, 200g of aluminum at 100°C is mixed with 50g of water at 20°C with the system…

A:

Q: A 700.0 g block ice at -20 °C is brought into thermal contact with 10.0 g of water at 0 °C in an…

A: Since the system is adiabatic (no heat exchange with the surroundings) and at constant pressure, the…

Q: When an aluminum bar is connected between a hot reservoir at 700 K and a cold reservoir at 300 K,…

A: Temperature of hot reservoir;T1 =700 K Temperature of cold reservoir;T2 =300 K Heat transferred…

Q: A sophomore with nothing better to do adds heat to 0.350 kgof ice at 0.0C until it is all melted.…

A: Ice is at a temperature 0°C. The expression for the change in entropy of object is, ∆s=-mLiceT…

Q: Which of the following statements is not consistent witht the second law of thermodynamics?   a.…

A: The correct option is (d).

Q: Suppose there are 10 distinguishable particles in a box divided into two equal compartments, A and…

A: The total number of distinguishable particle is N=10 The initial particles in the compartment A and…

Q: In which state are the entropy changes equal to zero? Select one: a. Thermodynamic equilibrium O b.…

A: In an isolated system dQ= 0 as there will be no thermal interaction with surroundings From Clausius…

Q: Give 3 examples of change in entropy of a system whether an increase or decrease in entropy in a…

A: Answer :- Entropy In simple way we can express as :-                      entropy is defined as…

Q: 48. On a hot summer day, 4.00×10° Jof heat transfer into a parked car takes place, increasing its…

A: Given  Heat transfer Q=4×106 J T1=35 T2=45

Q: Consider the following statements about entropy, related to the second law of thermodynamics…

A: Entropy related to the second law of thermodynamics: Entropy is a non-conserved quantity. The total…

Q: 80 g of ice at 0.000C absorbs just enough heat to completely melt. What is the change in entropy of…

A: Given:  The mass of the ice, m=80 g The latent heat of fusion of ice is, Lf=334 J/g. Require:…

Q: When 0.150 kg of steam at 100°C condenses to water at 100°C, what is the change in entropy of the…

A: Given: The mass of the steam is 0.15 kg. The temperature of the steam is 100oC. The latent heat of…

Q: Choose the correct statements.   a. A system with a larger number of macrostates has a larger…

A: Answer: we know the relation between entropy and microstates :       S=k ln(W) where S= entropy…

Q: What is the entropy change of 15 g of steam at 100°C when it condenses to water at the same…

A: Part ASolution:Entropy change will be given as:dS = QT           - 1where, Q is the heat amount of…

Q: A) 20 J of heat is transferred from a hotter reservoir to a colder reservoir. Calculate ΔStot (J…

A:

Q: Two objects which is the B1 (T = 40 C) and B2 (T = 18 C), has experienced entropy changes of 6.4 x…

A: The change in entropy of an object at a particular temperature is given by the equation dS=dQTdS is…

Q: Consider three assemblies at the same T and P, of identical non-interacting systems, the weights of…

A: Three assemblies of same T and P of identical non-interacting systems whose weights are given as…

Q: second law of thermodynamics states that the entropy of the universe is constantly increasing. Which…

A:

Q: Which of the following processes does not involve a change in entropy?A. An electric heater raises…

A: Entropy change is the measure of change in thermal energy per unit temperature of the system.

Q: A freezer is used to freeze 5.0 L of water completely into ice. The water and the freezer remain at…

A: The energy transferred from the water by heat can be obtained asSubstituting the values and solving…

Q: A heat engine operating between -10 degrees Celsius and 40 degrees Celsius achieves 50% of the ideal…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: Entropy change for a free expansion of an ideal gas. A 0.5 mol of an ideal gas expands freely from a…

A: Given- Number of moles n=0.5 mol An ideal gas expands freely from a volume of 1 L to 3 L So,…

Q: An ice tray contains 500 g of water. Calculate the change in entropy of the water as it freezes…

A:

Q: A thermal engine absorbs 1500 J of heat from a gas at a temperature of 250°K and discards 1200 J of…

A: a)We know that work done is given as Qin -Qout hence work done = 1500 J -1200 J =300 J b)  Thermal…

Q: The pressure of the air in a starting vessel is 40 bar and the temperature is 24 °C. If a fire in…

A: Since the volume of the vessel remains the same before and after the process it represents the…

Q: Question B2i. Give an equation for the infinitesimal change in entropy, ??, of a system in terms of…

A: The objective of the first part of the question is to provide the equation for the infinitesimal…

Q: a) Find the internal energy change in a system consisting of one mol of a monoatomic ideal gas…

A: The energy change is 3a(15v^4)/8

Q: What is the change in entropy of 3.0 kg of water at 10 °C when it is heated to 50 ° C? The specific…

A:

Q: 5. If the change in system entropy for a given process is -8.3 J/(mole.K): (A) What can be known…

A: Given, change in system entropy for a given process is -8.3 J/(mole. K) ∆Ssys = -8.3 Jmol K We know…