Solve the ff and show if the ans is 16K or 200+K. Please show your complete solution: The water in a deep underground well is used as the cold reservoir of a Carnot heat pump that maintains the temperature of a house at 301 K. To deposit 14 200 J of heat in the house, the heat pump requires 800 J of work. Determine the temperature of the well water.?
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- Answer the problem. For helium, R=2.0769 and Cp=5.1926 KJ/kg-K. Three kg of helium operates cycle where the processes are constant volume (1-2): constant pressure (2-3): and constant temperature (3-1). Given that P1=100 kPa T1=300 degree Kelvin, and v1/v3=5, determine the heat added in the cycle. a. 22.316kJ b. 14.225kJ c. 8.405kJ d. 36.708kJThe temperature at state A is 20.0ºC, that is 293 K. During the last test, you have found the temperature at state D is 73.0 K and n = 164 moles for this monatomic ideal gas. What is the change in thermal energy for process D to B, in MJ (MegaJoules)? Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.The temperature at state A is 20.0°C, that is 293 K. During the last test, you have found the temperature at state D is 73.0 K and n = 164 moles for this monatomic ideal gas. What is the change in thermal energy for process A to D, in MJ (MegaJoules)? Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. P (atm) 4 3 ID B +V (m) 4 5
- A small electric immersion heater is used to heat 91 g of water for a cup of instant coffee. The heater is labeled "54 watts" (it converts electrical energy to thermal energy at this rate). Calculate the time required to bring all this water from 24°C to 100°C, ignoring any heat losses. (The specific heat of water is 4186 J/kg-K.) Number i Units Save for Later Attempts: 0 of 3 used Submit Answer2.3 Study the following p-V diagram in figure 1 and answer the que P (N/m) 15 - B A. 10 C. V (m) Figure 1 10 20 30 Calculate: (a) Work done through process A to B (WAB) (b) work done through the process B to C (Wsc): (c) internal energy UAB, if 120J of energy as heat enters the syst (d) the net work done by the system.Figure I shows the P-V graph for a sample of a gas at 298 K. If this sample were heated to 312 K, this would be represented by a point 25. atm Figure 1 100 V/e 50 A At the top, left end of the line Off the line, above and to the right of it. B At the lower, right end of the line D Off the line, below and to the right of it.
- 1 kg of air is reversibly heated at constant pressure from an initial state of 300 K and 1 bar until its volume increases to three times its initial value. Determine the internal energy changes, entapy, and heat and work requirements for this process. The molar mass of air is 28.9 g / mol. Write down all your assumptions made. w= dU= dH= Q=Direction: Solve the following problems. Please box your final answer and write your solution clearly. A cargo ship has tanks for carrying fuel oil. The oil is measured in barrels, while the tank dimensions are in meters, 1m x 5m x 15m. How many barrels does the tank hold? How many gallons? (42 gal = 1 barrel) In a non-flow process carried out 5.4 kg substance, there was a specified internal energy decrease of 50 kJ/kg and a work transfer of the substance of 8.5 kJ/kg. Determine the heat transfer and a state whether it is gain or loss.Ue A:0r * Il. pluls ► exam 1.pdf Q1// Define the following First law of thermodynamics, adiabatic process, Boyle's law, Reversibility, and Pressure. Q2// Ten kg of oxygen are heated from 350 to 500 K at constant pressure. Calculate the change of enthalpy, change internal energy, heat transfer and work done. Take Cp-0.909, Cv=0.649 Q3// In a nozzle air at 700°C and twice atmospheric pressure enters with 50 m/s velocity, and leaves at a temperature of 40°C. Determine velocity of air at exit. Take Cp = 1.005 kJ/kg.K for air.
- The temperature at state A is 20°C, that is 293 K. What is the heat (Q) for process D to B, in MJ (MegaJoules)? (Hint: What is the change in thermal energy and work done by the gas for this process?) Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. p (atm) 4 3 2 -> +V (m) 5Solve the common pressure and temperature assuming no heat loss in the containers and the surrounding of the two containers A and B that hold an ideal gas at pressure PA and PB, and absolute temperature TA and TB respectively. The containers are connected by a thin tube (and a close valve). The valve is opened to allow the pressures and temperatures to equalize.Iculate the coefficient of linear thermal expansion. Locate a table of linear thermal expansion ficients online or in your textbook and compare your experimental results to the accepted value using percent error. CALCULATIONS: 1. Calculate Δ-Thot-Trm Record the result in the Table 1. Use the Conversion Table at the end of this manual, or the one on the top of the expansion base, to convert your thermistor resistance measurements, Ryn and Rnot,into temperature measurements, Trm and Thot Record your results in the table. sing the equation AL = α 2, T, calculate α for copper, steel, and aluminum mrnfid=74 Τα(Experimental)x1051 Table 1 MaterialL R TR(m) LT R(hot) . T(Room)TT(hot)! ΔΤ (m) Ohm(2) (m)Ohm(2) c 15 666 112 8 3 15 3.1 53 10. Rod #1 2.76 x (o Rod #2 Rod #3 |.n5 | 66. I 18.3 | 8.29 | 35 | 88 Coefficient of Linear Expansion of: 3. 216x10' Rod #1 Rod #2 Rod #3- Table 2 Material | Composition | α(Theoretical)x105 | α(Experim Rod #1 | tin Rod #2 Rod #3 ental)x105 | Percent Difference %…