A bowl of sinigang has been left to cool down from 100 C to 25 C. The mass of the soup in the bowl is 0.23 kg and its specific heat is 4190 J/kg K (mostly water). What is the TOTAL entropy change (in J/K) of the soup and its surrounding?

Q: A container with 50 g of a certain liquid (c = 4186 J/kg · °C, Lv=2265 kJ/kg) at 22 °C is heated up…

A: Given:mass of liquid, m = 50×10−3  kgspecific heat , C =  4186 J/kgoClatent heat of vaporization, Lv…

Q: A 45.0 kg flower pot falls from a height of 12.6 m and landing in a pool of water, where the energy…

A: The change in entropy be defined as, ∆S=∆QT           ........1 Where, ΔQ be defined as the change…

Q: The molar heat capacities of gases are not perfectly constant, as we've assumed, but increase slowly…

A: Write the expression for the number of moles and substitute the corresponding values.

Q: Wood burns at a temperature of approximately 500. °C. One cord of seasoned (dry) firewood releases…

A: This problem can be solved using the formula for change in entropy in a process.

Q: On a winter day, a certain house loses 1.12 x 108 J of heat to the outside. What is the total change…

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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…

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Q: On a hot summer day, 4.00×106 J of heat transfer into a parked car takes place, increasing its…

A: Change in entropy is given by the formula: ∆S=QTwhere,∆S is change in entropyQ is heat transferT is…

Q: A heat engine absorbs 2500 J of heat at 250°C and expels 2000 J at a temperature of 50°C. The change…

A: Given: Heat absorbed at T1=250°C is Q1=2500 J Heat expelled at T2=50°C is Q2=2000 J

Q: On a hot summer day, 4.00×106J of heat transfer into a parked car takes place, increasing its…

A: The expression used to find average temperature is T=T1+T22 Insert values in the above equation…

Q: On a hot summer day, 3.73  106 J of heat transfer into a parked car takes place, increasing its…

A: Given:  Heat exchanged, dQ=3.73×106 J Initial temperature, Ti=31.2°C Final temperature, Tf=50.6°C…

Q: A block made of nickel with a mass of 0.80 kg is heated to 800°C, then dropped into 5.00 kg of water…

A: Given: The mass of the nickel is mN=0.80 kg. The temperature of the nickel is TN=800∘C. The mass of…

Q: One mole of ideal gas goes through an isothermal compression at a temperature of 20C. If 680J of…

A: In the isothermal process, the temperature of the system remains constant. So, the change in the…

Q: On a winter day, a certain house loses 5.20 x 10° J of heat from the warm 25°C interior to the cold…

A: As per Bartleby rules, we are to answer the first three sub-parts of a question when specific…

Q: On a cold day, 17400 J of heat leaks out of a house. The inside temperature is 24.0° C, and the…

A: Given Data: The amount of heat leaks is, Q=17400 J The inside temperature of the house is, Th=24°C…

Q: A 67.5-kg person typically eats about 2250 kcal per day, 21.0% of which goes to mechanical energy…

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Q: A heat engine absorbs 2500 J of heat at 250°C and expels 2000 J at a temperature of 50°C. The change…

A: Given, Q1 = 2500 J T1 = 250 C∘ = 250+273.15 = 523.15 K Q2 = 2000 J T2 = 50 C∘ = 50+273.15 = 323.15 K…

Q: A 6.25-kg block of ice is placed on a concrete floor which has a constant temperature of 25.5˚C. The…

A: Entropy change of a system at constant temperature is given as,  ∆ S = ∆ Q / T  Where ∆ Q is the…

Q: A cylinder of gas has a temperature of 32F. a) If 205J is added to the system at constant…

A: Given Gas is at T=32oF=273.15K   a) The amount of heat added to the system is Q=205J So at a…

Q: Using the relations dS=dQ/T and dQ=mCdT, what is the change in entropy of 20 kg of water warmed from…

A: The expression for the change in entropy is,

Q: The heat of melting of ice at 1 atmosphere pressure and 0°C is 1.4363 kcal/mol. The volume of ice is…

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Q: A 500-g chocolate bar starts to melt at 45OC. What is the change in entropy?

A: The change in entropy △S is related to temperature T by, △S=QT. Here, Q is the heat energy required…

Q: A system consists of a 1.2 kg block of copper at 20∘C and 1.5 kg block of copper at 200 ∘C. The two…

A: We have givenm1=1.2 kgT1=20°C=20+273=293 Kandm2=1.5 kgT2=200+273=473 kspecific heat for copper=385…

Q: On a hot summer day, 4.00×106 J of heat transfer into a parked car takes place, increasing its…

A:

Q: "In heating 250 cubic cm of water, you place an electric element in the cup. As the water…

A:

Q: A system consisting of 20.0 mol of a monoatomic ideal gas is cooled at constant pressure from a…

A: Change in entropy of the gas

Q: A 1 500-kg car is moving at 20.0 m/s. The driver brakes to a stop. The brakes cool off to the…

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Q: An ice cube at 0.0°C is slowly melting. What is the change in the ice cube’s entropy for each 5.80 g…

A: The objective of the question is to calculate the change in entropy of the ice cube as it melts.…

Q: On a hot summer day, 2.00 x 10° J of heat transfer into a parked car takes place, increasing its…

A:

Q: You are holding a 500-g dark chocolate bar, and then the chocolate starts to melt at 45OC. What is…

A: Given data:  Mass (m) = 500 g = 0.500 kg Temperature (T) = 45°C Latent heat of fusion of chocolate…

Q: 0.589 kg of water is initially at 13.3° C. If the temperature of the water is increased to 24.5° C,…

A: Write the expression for the change in heat energy. dQ=mcdT Here, m is the mass, c is the specific…

Q: A rigid box contains 0.9 mol of an ideal monoatomic gas. Heat is added to the gas and its…

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Q: A block made of cobalt with a mass of 0.80 kg is heated to 850°C, then dropped into 5.00 kg of water…

A: