A large block of copper initially at 23.0°C is placed in a vat of hot water (83.3°C). The first 1.40 J of heat flows from the water into the block. Find the entropy change of the water. _____J/K

Q: What is the entropy change (in J/K) of 19 g of steam at 100°C when it condenses to water at the same…

A: We know that entropy change in an irreversible process is given by  : ΔS=ΔQT Since heat is taken…

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

A: Thermodynamics.

Q: A 650 g copper block at 100 degrees C is dropped into 1.00 kg of water at 10 degrees C. Find the…

A:

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: 13. If a 0.06247 kg ice cube initially at 0.00° C is allowed to melt in a Styrofoam cup holding…

A: mass of ice (m) = 0.06247 kg initial temperature of ice = 0oC mass of water (m') = 0.497 kg Initial…

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: 1.75 kg of carbon dioxide sublimate from solid dry ice to a gas at a pressure of 100 kPa and a…

A: Given mass of carbon dioxide m=1.75 kgTemperature T=194.7 KLatent heat of sublimation L=5.77×105…

Q: 500 g of ice at -10.0°C are placed on top of a 2.00 kg slab of aluminum at 30.0°C. The system is…

A:

Q: 1. A heat engine is found to have an efficiency of 0.3. If it does 180 J of work per cycle, what are…

A:

Q: In the thermodynamic cycle depicted in the PV-diagram below, the NET work done BY the system is P PA…

A:

Q: A heat source of unknown temperature supplies energy of (74 + 700)k] to a Carnot heat engine. If…

A: It is given that,

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

A:

Q: 3a

A: Given: Kinetic energy is 10 J Heat wasted can be 30 J

Q: A 1 kg block of ice initially at -10 °˚C is placed in thermal contact with a very large reservoir at…

A:

Q: Net work done = 800 kJ 400 K D C 300 K V What is the entropy change in the entire cycle? what is the…

A: net work done = 800 kJ B = 400 K C = 300 K

Q: 15 A mixture of 1773 g of water and 227 g of ice is in an initial equilibrium state at 0.000°C. The…

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: A gas undergoes a thermodynamic cycle as shown. What is the change in internal energy for the cycle?

A:

Q: A carnot engine takes 2000 J of heat from a reservoir at 300 K, does some work, and discard some…

A: Given data: The high temperature reservoir is at TH=300 K. The lower temperature reservoir is at…

Q: 1. Which of the following ERM diagram represents a refrigerator? A. в. с. D. TH TC Tc TH QH Qc Qc QH…

A:

Q: 4. Consider a heat engine comprising two isochores and two isobars, as in the diagram below. Suppose…

A:

Q: In a specific heat test, 200 g of aluminum C, 0.215- g oc is mixed with 50 cal ? g of water at 20 °C…

A: Given data, Specific heat of the aluminum = 0.215 Cal/gm.oC Mass of aluminum = 200 gm Initial…

Q: A 15-ft3 steel container that has a mass of 75 lbm when empty is filled with liquid water.…

A: The heat transferred to the environment can be obtained as

Q: A 110 g insulated aluminum cup at 29 °C is filled with 150 g of water at 60 °C. After a few minutes,…

A:

Q: 4. Consider a heat engine comprising two isochores and two isobars, as in the diagram below. Suppose…

A:

Q: q = 0 for an isothermal process. a) True b) False

A: Given: q=0 in isothermal process

Q: Air is compressed by a 40-kW compressor from P to P2. The air temperature is maintained constant at…

A:

Q: 24.8 Figure 24.7 is the P-V diagram of a single cycle of a heat engine. All of the processes…

A:

Q: 2. Two bodies A ana B with constont totai heat capacities Cp, and Cp, and aifferent initial…

A: Given data, Initial temperature of A = TAo Initial temperature of B = TBo Heat capacity of A = CPA…

Q: Express your answer with the appropriate units. AS = Value Units Submit Request Answer

A:

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: 8. Air is compressed by a 15 - kW compressor from P, to P2. The air temperature is maintained…

A: solution- assumptions- 1. This is a steady flow process. 2. Air is an ideal gas. 3. Potential energy…

Q: An 8.0 g ice cube at -10°C is put into a Thermos flask containing 100 cm³ of water at 20°C. (a) What…

A: Given:The mass of the ice cube is, .The temperature of ice cube is, .The volume of water in thermos…

Q: Problem 7 Calculate the change in entropy of the system for reversibly heating 5.0 moles of a…

A: Given, Number of moles= 5 moles Temperature T1= 298 K T2= 346 K volume V= 2 L

Q: How much energy must be transferred as heat for a reversible isothermal expansion of an ideal gas at…

A: Given data:  The change in entropy (Δs) = 63.6 J/K Temperature (T) = 54°C Required: The energy…

Q: a heat of fusion of 80 cal/g and a heat of vaporization of 540 cal/g. What is the entropy change in…

A: Given data -                  amount of water (m)= 30 g                  latent heat of fusion (l) =…

Q: 2.0Kg of water at 0 degree celcius heated to 100 degree celcius. Compute its change in entropy. Mc…

A: Check out the form of chemical

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: A diatomic gas in 20-L rigid container at 35 ⁰C and 6.3 atm is heated to 50 ⁰C. Determine the change…

A:

Q: Identify the processes in the cycle. Þ 1. Path AB = The temperature in (1) is 350 K, the work done…

A:

Q: power radiated

A: The statement that (a) no heat engine can be more efficient than a Carnot engine working between the…

Q: A heat engine provides a net power output of 14 kW and has an efficiency of 23 %. The engine rejects…

A:

Q: 6. A heat engine is operating on a Carnot cycle and has a thermal efficiency of 55 percent. The…

A: From the question, it is given that- Efficiency of Carnot cycle: η = 55% = 0.55 Temperature of lake:…