5. (17.0score) A parallel flow heat exchanger with A 30 m² and U-400W/m²K. Air at and a stream of water at 3.84 ko91928 kg/s and 10 °C 1919619 and 70 °C each enter the exchanger. Determine the heat transfer and the exit temperatures (Cp.a = 1.01 kJ/kg K, Cp,w = 4.19 kJ/kg K).
Q: B. Calculate the work necessary to compress air in an insulated cylinder from a volume of 0.1699 m…
A:
Q: A 1-liter wood container is filled to the top with olive oil at 20°C. The container is left in the…
A: Initial volume of wood and oil is (Vi)= 1 L (Vi)= 10-³m³ Initial temperature (Ti)= 20°C Final…
Q: When lead is melted at atospheric pressure , the melting point is 327.0 degrees Celcius , the…
A: The melting point of the material is T0=327°C=600 KThe initial density is ρsol=1.101×104 kg/m3The…
Q: 9. Will took a 45.0g cube of solid H20 (an ice cube) out of the freezer at -5.00°C and put it on the…
A: Given data, m=45 g θ₁ = -5°C θ…
Q: (a) What is the final pressure in the tank, assuming a negligible amount of gas leaks while being…
A:
Q: 1. What is the internal energy of 2.00 mol of an ideal monatomic gas at 240 °C? R= 8.31 J/(mol K)
A: We will first write an expression for internal energy of an ideal monatomic gas. Then we will…
Q: 2. A glass flask has a volume of 1000.00 ml at 0°C and is completely filled with Hg at this…
A:
Q: copper slab of length 15.0cm and cross-section area 105cm2 has Th=125degree Celsius and Tc=10degree…
A: Heat flow Q = KA (ΔΤ/Δx)t
Q: 1. Radiation makes it impossible to stand close to a hot lava flow. Calculate the rate of heat…
A:
Q: 3. Suppose that 150 J of work is done on a system and 35.0 cal is extracted from the system as heat.…
A:
Q: 1. In a piston-cylinder device 0.5 kg of carbon dioxide is compressed from 0.3 to 0.1 m³. During the…
A: Solution:-Given thatmass of carbon dioxide (m)=0.5 kgInitial volume (V1)=0.3 m3Final volume (V2)=0.1…
Q: Five kilogram of air is contained in closed rigid container. An amount of 1200kJ of heat is added…
A:
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: Find the ratio of the molar specific heats y of nitrogen dioxide (NO₂). O A. 2.00 - OB. 1.67° O C.…
A: Molar heat capacity is defined as the amount of heat that needs to be added to one mole of the…
Q: A vertical cylinder with a heavy piston contains air at 310 K. The initial pressure is 3.45 x 105…
A:
Q: 8. A container has a volume of 2m3 of diatomic gas at a pressure of 1Pa. How much more thermal…
A: Given data The volume of the container is V = 2 m3. The initial pressure is given as Pi = 1 Pa. The…
Q: A scuba tank contains 1.5 kg of air. The air in the tank is initially at 15 oC. The tank is left…
A: Given data m=1.5 kgT1=15°C=288 K
Q: Radiation makes it impossible to stand close to a hot lava flow. Calculate the rate of heat transfer…
A: Area of fireplace is Temperature of lava is Temperature of surroundings is Emissivity of lava is…
Q: A 90.0-g piece of solid copper at 1000 C is placed in a thermally insulated flask tht contains 40.0…
A: Given,mass of the copper, m = 90.0 gtemperature, Tc = 100 °Cspecific heat, Cc = 0.0920 calg.°Cmass…
Q: 3. A2 L balloon at room temperature (20 C) is placed in a refrigerator at 3 C. What is the volume of…
A: According to the Ideal Gas equation For constant pressure P Temperature is directly proportional to…
Q: A carbon dioxide molecule (MM = 0.0440 kg/mole) has a kinetic energy of 5.20x10-21 J. What is its…
A:
Q: Q1 a) The hot combustion gases of a furnace are separated from the ambient air and its surroundings,…
A: Consider the given data as below. Thermal conductivity, k=1.2 Wm·K Convection coefficient, h=20…
Q: A 450 g metal cube which is originally at 110 degree(s) C oven is dropped into 0.003 m3 of water in…
A: Given: Mass of cube Mc=450g=0.45 kg Initial Temperature of the cube Tic=110°C=383.1500 K Volume of…
Q: 2. What mass of steam at 100°C must be mixed with 150 g of ice at -10°C, in a thermally insulated…
A: Net Heat transferred is zero…
Q: Q1. 0.2 kg of air, initially at a temperature of 165 C, expands reversibly at a constant pressure of…
A: We have-Mass, m= 2 kgT1= 165 degree celsius=165+ 273= 438 KInitial volume, V1= VFinal volume,…
Q: 7. An insulated container has 40.0-g of water at 70.0°C. How much as at -5.00°C needs to be added to…
A: Given data: Insulated container has 40g water at 700C Final temperature = 250C
Q: 2. A vertical Cylinder with a heavy piston contains air at 300 K. The initial pressure is 3.35*10^5…
A: a) The specific heat at constant volume Cv=5R2=52x8.314 J/mol kCv=20.785 J/mol kNow dividing it…
Q: 16. Calculate the change internal energy of an ideal gas in J if the temperature is changed from…
A:
Q: 1-kg of carbon dioxide (MW=44; k = 1.288) is compressed from 1 MPa and 200°C to 3 MPa in a…
A: We consider the carbon dioxide as an ideal gas to solve this problem. The molecular mass, critical…
Q: 1. A rigid vessel contains 5kg of wet steam (water) at 0.4 MPa. After the addition of 9585 kJ of…
A:
Q: Q1. 0.2 kg of air, initially at a temperature of 165 °C, expands reversibly at a constant pressure…
A: Given : n (no of moles of gas) = 0.2kg Initiall temperature Ti = 165deg C = (165+273)K =…
Q: QI/ A volume of the vessel A is 0.3 m' contains ammonia at 25 °C, 90% quality. The pressure of…
A: The heat transferred in a constant pressure process is heat transfer,∆Q=P∆V......1here p=200…
Q: 20.00 liters of air at 248.0 degrees Kelvin is compressed into a 9.000-liter container. Assuming the…
A:
Q: 4. Water at 100 psig is flowing inside a 2 in sch 40 pipe (D₁ = 0.1723 ft) at a rate of 25 lb/s,…
A: Water flow inside a 2-inch pipe = (D1 = 0.1723 ft) Pressure = 100 psig water flow in a 1 inch -…
Q: Part A An insulated beaker with negligible mass contains lquid water with a mess of 0.295 kg and a…
A: The mass of the liquid water is given as, mw=0.295 kg, The initial temperature of the liquid water…
Q: In order to determine the heat capacity of their latest phone, CrabappleTM engineers cool the phone…
A:
Step by step
Solved in 2 steps