Find the molality of ethanol solution consisting 23g of ethanol and 77g of water. Calculate the heat required to raise the temperature of ethanol from 429°C to 1290°C. Specific heat of ethanol solution is 2.57 kJ/kg K

Q: Estimate the one-dimensional heat transfer per unit area through the composite= wall in Figure 1(a).…

A: The heat flow through the plane wall is a direct application of Fourier's law. It states that the…

Q: Calculate the number of KJ needed to heat 1000 grams of a solution aqueous, from 80oF to 200oF, of…

A: Given data: Mass of the aqueous solution = 1000 g Initial temperature = 80 0F Final temperature =…

Q: How much energy is required to raise the temperature of 11.7 grams of gaseous krypton from 24.0…

A: Given: mass of Krypton m = 11.7 gm                                        T1 = 24 oC…

Q: .0015 kmol of a hot metal with a temperature of 80°C was placed in a 60 mL of water having an…

A: The energy in the universe is constant. It can convert from one form to the other form. It can…

Q: Question A small sphere of reference-grade iron with a specific heat of 447 J/kg.K and a mass of…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Use thermochemical equations to relate the amount of heat energy transferred in reactions at…

A: The change in enthalpy given as ∆H is a thermodynamic property defined as the sum of the change in…

Q: Calculate AG and AS when 1 mole of ethanol is vaporized at 65 ° C and 1 atm pressure. The latent…

A: Latent Heat of vaporization of 1 g of ethanol = 200 cal  Temperature  = T  = 65 C  Molecular weight…

Q: Air at a dry ball temperature of 75 ° C and RH 4% is passed over the cooling coil until the air ball…

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Q: provided below, the critical radius and the activation energy if the nucleation is homogeneous. The…

A: Solution :Step 1 - Given data are               (i)      r = 0.204 J/m2               (ii) ∆Hf =…

Q: A wall of a house is made of 0.2 m layer of brick followed by 0.05 m of plaster. Calculate the…

A: Given data: Thickness of layer of brick = 0.2 m Thickness of plaster layer = 0.05 m Thermal…

Q: Propane gas at room temperature is burned with enough air so that combustion is complete and gases…

A: We have to find the no. of moles of gas are available for drying per mole of propane burned. Given…

Q: Aluminum has a specific heat of 0.897 J/g °C. How much heat is needed to raise the temperature of a…

A: Given: Specific heat = 0.897 J/g. C   Mass (m) = 79 gm Temperature: T1 = 25 C (ambient assumed), T2…

Q: Estimate the thermal properties for a food with the following composition: carbohydrate 5.1%,…

A: Hello ! In the absence of any other data provided, we understand that your question thermal…

Q: 5. Below equation may be used in order to evaluate the heat capacity of Solid X: cal 0.503x105 =…

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Q: Air at 95°C and 4% RH is passed over the cooling coil so that the air dry ball temperature becomes…

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Q: Calculate the total AS when 1 mole of ice is heated from -23°C to 27°C. Take the Cp of water and ice

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Q: A 5 kg solid block is heated at a rate of 400 W by an oven. If the block is initially at 25°C, then…

A: In Chemical Engineering, heat transfer describes the flow of heat due to temperature differences and…

Q: e air has a dry ball temperature of 30 ° C and a wet bulb temperature of 22 ° C is initially heated…

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Q: Equal masses of the three metals shown below are all initially at 25oC. copper (c = 0.385 J/goC)…

A: From the definition of specific heat we know, specific heat is measure of amount of heat required…

Q: air at 25 ° C and 50% RH is heated using a heat exchanger to 75 ° C. Using a psychometric chart,…

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Q: The air has a dry ball temperature of 40 ° C and a wet bulb temperature of 20 ° C is initially…

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Q: Jutio How much heat is required to raise the temperature of 5 lbm of water from 50°F to 150°F?…

A: Given Mass of water m = 5 lbmInitial temperature T1 = 50 FFinal temperature T2 =150 FSpecific heat…

Q: In order to increase the temperature of an unknown metal sphere by 11.89°C. 875.13 J of heat was…

A: The density of a substance is defined as the mass contained in a unit volume of the substance. The…

Q: The air has a dry ball temperature of 34 °C and a wet bulb temperature of 20 °C is initially heated…

A: Intial DBT of air, T1=340CFinal DBT of air, T2=800CWB of air=200CDBT of corn kernals,…

Q: how much of the aluminum will solidify when thermal equilibrium is reached

A: Given data: Mass of molten aluminium = 100 g Temperature of aluminium = 932 K Volume of water = 1 L…

Q: Ethane is contained in a piston/cylinder arrangement at a temperature of 100oC and a pressure of 10…

A: The temperature attained by the ethane after passing the cylinder is to be calculated for the given…

Q: The air at a dry ball temperature of 80 oC and 4 % RH is passed over the cooling coil so that the…

A: From psychrometric chart at 80 oC dry bulb temperature and 4% relative humidity: Enthalpy: 138.4 kJ…

Q: A 44-g sample of liquid water at 25.0 C is mixed with 27 g of water at 45.0°C. The final temperature…

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Q: use the heat of formation method state the reference states and fill in the inlet-outlet enthalpy…

A: The reference states are:C2H5OH(v): 25 °C, 1 atmCH3CHO(v): 25 °C, 1 atmH2(g): 25 °C, 1 atmThe…

Q: A large vertical plate 4 m high is maintained at 60°C and exposed to atmospheric air at 10°C.…

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Q: The viscosity of benzene varies with temperature as shown in the following table. Use t data to…

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Q: If the sample of material has a mass of m = 9.20 g, calculate the specific heat when this material…

A: Given data: The amount of heat added at 43.7 0C = 183 J Amount of heat added at 239 0C = 785 J…

Q: 90. For a glass, thermal conductivity, density and specific heat are 0.78 W/mK, 2700 kg/m³ and 0.84…

A: Given  Thermal conductivity k = 0.78W/mK Density d = 2700 kg/ m2 Specific heat Cp = .84KJ/kg K…

Q: .Carburization process is applied to the surface of a steel containing 0.3% carbon.Methane gas (CH4)…

A: Given data: Initial concentration of carbon = 0.3 % Final concentration of carbon = 1.2 % Amount of…

Q: 5. Find the dryness fraction, specific volume and internal energy of steam at 7 bar and enthalpy…

A: Given, Steam pressure = 7 bar Enthalpy = 2600 kJ/kg

Q: The air has a dry ball temperature of 32 ° C and a wet bulb temperature of 24 ° C is initially…

A: Initial dry bulb temperature of air, T1=320CFinal dry bulb temperature of air, T2=800CInitial wet…

Q: Water with mass of 293.07 grams and at 15oC. is heated at constant pressure. the water is completely…

A: for water isCP= 4.187 kJ/kgK, T1=15oC,T2=100oC Q=mCPT2-T1 Q=293.071000×4.187×100-15 KJ Q=104.3 KJ

Q: (a) Assume that there is a negligible thermal gradient in the wall of the container (dT/dr is…

A: Consider a spherical conatiner is used to store reacting chemicals, whichresults in a uniform heat…

Q: Compare the heat given off by 1.0g of boiling water at 100 degrees celcius when it comes in contact…

A: When contact with skin 1 g of boiling water T=100℃→Changes to T=37℃ 1 g of Steam T=100℃→ Changes to…

Reactive Processes

Reactive processes are the processes in which any reaction occurs. The reactions can be any combination reaction, decomposition reaction, combustion reaction, oxidation reaction, reduction reaction, neutralization reaction, displacement reaction, or double displacement reaction.