What is the thermochemical equation of the Hydrogen combines with oxygen in fuel cells to produce steam. It releases heat energy of 571.7 kJ per mole of oxygen gas.

Q: 100 moles of carbon monoxide at 250 degrees celsius is combusted with 100 moles of oxygen gas which…

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Q: What amount of heat energy is lost when 100.00 grams of steam at 115°C condenses and then cools into…

A: Given data: Mass of steam = 100 g Temperature of stem = 115 0C Temperature of water = 65 0C

Q: The mass of 10 kg of air in a piston-cylinder device is heated from 25°C to 77°C by passing a…

A: Given data: The initial temperature of the air is Tinitial = 25∘C = 298  K The final temperature of…

Q: 2. Calculate AU if 95kJ of heat energy is absorbed by the system and 30kJ of work is done on the…

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Q: We use a steel cylinder with a cross-sectional area of 0.0290 m² and containing 1.24 x 10¬2m³ of…

A: (a) Write the expression for coefficient of volume expansion as follows: β = ∆VV∆T      ......1…

Q: The air at 40 ° C and 50% RH is heated using a heat exchanger to reach 90 ° C. Using a psychrometric…

A: Given Data: Dry bulb temperature TDB1 = 40 °C Relative Humidity RH% = 50% Dry bulb temperature TDB2…

Q: he specific enthalpy of liguid

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Q: PROBLEM 4 Estimate the heat rate that must be supplied to vaporize 100 moles per hour of n-hexane at…

A: Given data: 100 mol/h liquid n-hexane at 25oC and 7 bar is vaporized and heated to 300oC at constant…

Q: Suppose that subsequent to this heating, 1.40 104 J of thermal energy is removed from the gas…

A: Given: Q = 1.4×104 J, Initial Volume Vi = 1.25V0 and T = 300 K For Isothermal Process, Q = W Q = W =…

Q: A shell and tube heat exchanger with one shell-pass and 8 tube passes is used to heat exchanger…

A: Given Oil m1=45kg/s Cp1=2.10kJ/kg K t1=5℃ t2=45℃ Water m2=60kg/s Cp2=4.2kJ/kg K T1=90℃ U=320…

Q: fusion

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Q: Suppose that 23.4 grams of gold is initially at 27.1∞C.  What is the final temperature of the gold…

A: Given that, Mass of gold m = 23.4 grams = 0.0234 Kg Initial Temperature T1 = 27.1oC Heat absorbed by…

Q: A radiator by steam is used to heat a closed room. Heat is lost from the room to the outside at a…

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Q: Nitrogen gas has a heat capacity of 20.8 and 29.1 J/mol-at constant volume and constant pressure…

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Q: Air is used to heat a room . The flow rate of the entering air to the heating unit is(2.50 m³ /s) at…

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Q: heated

A: GIVEN: air at 40 ° C and 55% RH is heated using a heat exchanger to reach 90 ° C.

Q: 50 kg-s1 water at 300°C and 1.4MPA is fed to a thermodynamic device that generates 20MW power. If…

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Q: In an experiment to determine its enthalpy of vaporization, liquid tetrachloromethane, CCI4, was…

A: Given data: Current = 0.933 Amp Voltage = 24 V Time = 30 s Amount of tetrachloromethane = 3.45 g

Q: Q6 Air, at a temperature of 32°C passes through a heat exchanger at a velocity of 3 m/s, and its…

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Q: Ethylene gas and steam at 400 degree C and 1 atm are feed to a reaction process as an…

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Q: A heat exchanger for cooling a hot hydrocarbon liquid uses 10 000 kg/h of cooling water, which…

A: Cold fluid,water Mc=1000kg/h Tc,in=21℃ Hot fluid,oil Mh=5000kg/h Th,in=150℃ Th,out = 65℃…

Q: Imagine a gas in a piston - cylinder device. The fluid is compressed resulting to an increase in…

A: The force exerted on a moving object or body is called work. This is a boundary phenomenon. The form…

Q: In a dairy operation, milk at a flow rate of 250 L/h and a cow-body temperature of 38.6 oC must be…

A: Given that, The volumetric flow rate of milk Vh=250Lh=0.25m3h Inlet Temperature of milk…

Q: how much energy is needed to heat 1.00L of water from 23 degree Celsius to 100 degree Celsius? O…

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Q: at a constant temperature, a gas gained an amount of heat (30 J). The gas expands and exerts a work…

A: This problem can be solve by the help of First law of thermodynamics. ΔU=Q+W ΔU is the change in…

Q: Radioactive wastes (krw = 20 W/m•K) are stored in a spherical stainless steel container (kss 15…

A: Given data: Thermal conductivity of thermal wastes (krw) = 20 W/m∙K Thermal conductivity of…

Q: What is the heat energy required to completely vaporize 10 grams of water at OC? The heat capacity…

A: Given that, The mass of water m = 10 g The initial temperature of water T1 = 0oC = 273 K Water…

Q: a. What is the boiling point of water? (Ans: 150°F) b. The boiling point elevation? (Ans: 12°F) c.…

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Q: Conditions at the top of a vacuum distillation column for the sep- aration of ethylbenzene from…

A: Things which are provided over here are Phase condition, temperature, pressure, flow rate, and…

Q: air at 25 ° C and 60% RH is heated using a heat exchanger to reach 75 ° C. Using a psychrometric…

A: Given Data: Dry bulb temperature TDB1 = 25 °C Relative Humidity RH% = 60% Dry bulb temperature TDB2…

Q: A sample of 10 g of liquid benzene at its boiling point is vaporised using a 12 V, 0.5 A electric…

A: (a) Write the expression for enthalpy and internal energy as follows: ∆H = ∆U + ∆nRT     ......1…

Q: You have a refrigerant 134-a in the vapor state within a cylinder-plunger arrangement. The…

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Q: (1) If 30.8 kJ of heat are supplied to a mixture of benzene and its vapour at 353 K, one mole of…

A: As per guidelines, we can only answer only a single question. Kindly reposts the other questions as…

Q: Q.9A heat exchanger is used to cool a hot hydrocarbon liquid flowing at rate of 200 Kg/hr from 150°…

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