11. If a 737 jet burns 5000lb of aviation fuel per hour, how much thermal energy is released by the combustion process on a 4 hr flight? The heat of combustion of the fuel is 19000 Btu/lb. (Non-anonymous question)
Q: 67 8. In 1986, a gargantuan iceberg broke away from the Ross Ice Shelf in Antarctica. It was…
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Q: 2. What is the maximum efficiency of an engine that operates between room temperature (20°C) and…
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Q: 2. A transcontinental airliner cruises at an altitude of 12 km (T = -55 C and P 200 hPa). a) Compute…
A: Potential temperature is given by θ=TP0PRCp Where T is the absolute temperature of the parcel P is…
Q: 10. A car tire contains 0.0380 m' of air at a pressure of 2.20x10° N/m? (about 32 psi). How much…
A: Given : V = 0.038 m3 P1 = 2.20 × 105 N/m2 (about 32 psi) P2 = Normal atmospheric pressure therefore…
Q: Thermography is a technique for measuring radiant heat and detecting variations in surface…
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Q: Rubbing your hands together warms them by converting work into thermal energy. If a woman rubs her…
A: To calculate the temperature increase, we have to know the specific heat of the human skin and its…
Q: (a) The number of kilocalories in food is determined by calorimetry techniques in which the food is…
A: Given Data: The mass of the peanut is The amount of water is The mass of the aluminum is Variation…
Q: . The following are values of heat capacity for nitrogen gas: Temp (K) CV (J/mol.K) Using the…
A: The general formula be defined as, CV=A+BT+CT2 Where, T be defined as the temperature. CV be defined…
Q: a) Calculate the number of calories given off by 500 g of water cooling from 20 deg. C to 5 deg. C.…
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Q: 1. Thermography is a technique for measuring radiant heat and detecting variations in surface…
A: To calculate the percent increase in the rate of heat transfer by radiation, we can use the…
Q: According to the USDA, an average, \moderately active" college student needs to eat 2500 calories…
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Q: Q6. Dealing with two different samples in a thermodynamic experiment, a 1.55 kg sample increases its…
A: Here we look into the relation between heat, temperature and heat capacity of material and use it to…
Q: For an ideal gas, the difference between the specific heat at constant pressure and the specific…
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Q: - The increase in internal energy of 1kg of water at 100°C when it is converted into steam at the…
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Q: If you add 700 kJ of heat to 600 g of water at 60.0°C, how much water will be left in the container?…
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Q: Cite an example where Zeroth Law of Thermodynamics is applied. Give a brief discussion.
A: The zeroth law of thermodynamics states that if two thermodynamic systems are each in thermal…
Q: k) A 250.-g sample of water at 369.0 K was added into 1.00 kg of water at 25.5°C in a coffee-cup…
A: *As per our guidelines we are instructed to answer only one question per session, Kindly post the…
Q: steam having a dryness fraction of 0.9, a volume of 2m^3 and a pressure of 2bar is compressed in a…
A: Solution:-Given thatx1=0.9V1=2 m3P1=2 bar=200 kPaPvn=CP2=10 bar=1000 kPaT2=200°C
Q: 38. GO An object is inside a room that has a constant temperature of 293 K. Via radiation, the…
A: Given: The object emits three times as much as power as it absorbs from the room, So, P2P1=3…
Q: A 54-woman eats a 450 Calorie hamburger for snacks. How many joules of energy is the equivalent of…
A: Given that, Mass of a woman, m = 54 kg She eats 450 Calorie hamburger for snacks. We need to find…
Q: Example: A building has a south-facing thermal storage wall with night insulation of Rins equal to…
A: From the given data, the coefficient Uk can be calculated as follows, Uk=1wk+1hi=10.422+18.3=3.026…
Q: A dietician develops a new diet, in which people drink copious amounts of ice water. The theory is…
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Q: 3. After eating a 200 g pottle of yoghurt, a person decides to go for a run to burn off the extra…
A: The expression for the time is,
Q: 5. An aviation fuel used by a piston engine aircraft transforms 100,042 J of energy through the…
A: Energy produced by aviation fuel ( Input energy) = 100042 JHeat produced by vapourization = 46721…
Q: A gasoline engine has a power output of 170 kW (about 2.28×105 hp ). Its thermal efficiency is 22.0…
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Q: How much heat transfer occurs from a system, if its internal energy decreased by 150 J while it was…
A: Given: Internal Energy (△U) = - 150 Joule Net work done ( W) = 30 Joule
Q: 4.A boiler uses coal for fueling a power plant. The heating value of coal is 74500 kJ per kg of fuel…
A: Solution: As per the given data, Heating Value of Coal = 74500 KJ/Kg Excess air = 90%
Q: a) A 650 joule of heat energy is transferred to 46 gram of mercury. By how much does the temperature…
A: a) Q = 650 J , m = 46 gram , c = 0.0334 cal/g°C = 0.0334 x 4.184 = 0.1397 J/g°C Q = mc∆T Therefore,…
Q: 4. What is the change in internal energy of a system which does 4.50x10° J of work while 3.00x106 J…
A: Given, system does work of 4.50×105 J , heat transfer into the system is 3.00×106 J and 8.00×106 J…
Q: 1. What is the efficiency of a steam engine if it absorbed an energy of 2.5 x 108 J from the boiler…
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Q: 8. Calculate the efficiency of a fossil-fuel power plant that consumes 382 metric tons of coal each…
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Q: Compressed air can be pumped underground into huge caverns as a form of energy storage. The volume…
A: Formulas used: PV=nRT And energy consumed by one house in 1 day =20×103Joulessec×hr =…
Q: 1. Suppose a woman does 500 J of work and -9400 J of heat transfer occurs into the environment in…
A: Workdone, W = 500 J Heat transferred, Q = -9400 J
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: . You find yourself in the middle of a blackout with no electricity. You want to have a cup of tea,…
A: volume of water (V) = 200 cm3density of water = 1 gcm3∆h = 32 cm = 0.32 m Initial temperature of…
Q: 1. What is the efficiency of a steam engine if it absorbed an energy of 2.5 x 10*J from the boiler…
A: Given: heat absorbed Q1=2.5*108 Jheat rejected Q2 =1.5*108 J
Q: Steam with an enthalpy of 2168 kJ/kg enters a condenser at a rate of 10,000 kg/hr. If the condensed…
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Q: The number of kilocalories in food is determined by calorimetry techniques in which the food is…
A: The equation for the heat energy required to raise the temperature of water held in aluminum cup is…
Q: Compute the change in internal energy of a 1-kmol sample of dry air if its tempera- re is raised by…
A: Given: The moles of gas in the sample of dry air are 1 kmol. The temperature of dry air is raised by…
Q: w much energy (in J) is required to raise the temperature of that volume of water from 12.8°C to…
A: Given values:- The volume of water,(V)=3.60 x 1012 m3 ----(1) The density of water,(ρw)=998.23 kg/m3…
Q: 3) A thermodynamic system undergoes a process where its internal energy increases by 200 J. During…
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Q: Assume that geothermal heat transfer (at least near the surface of the earth) is by conduction…
A: Given:Average geothermal heat flow,P/A= 0.087 W/m2Thermal gradient ,∆TL=100 °C/kmFind the thermal…
Q: 23. No system can absorb heat from a single reservoir and convert it entirely into work without…
A: According to the second law of thermodynamics, there is no device which converts all the energy into…
Q: A styrofoam container used as a picnic cooler contains a block of ice at 0°C. If 564 g of ice melts…
A: Given data: Mass of ice (m) = 564 g = 0.564 kg Time (t) = 1 hour = 3600 seconds The heat of fusion…
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