Problem # 3 Solid CaCl2 6H2O and liquid water at 25°C are mixed adiabatically in a continuous process to form a brine of 15 wt% CaCl2. Using data from Prob. 11.12, determine the temperature of the brine solution formed. The specific heat of a 15 wt-% aqueous CaCl2 solution at 25°C is 3.28 kJ. kg-1.°C-1

Q: O calculate the energy change, in kJ,

A: 1 mole of O2 goes from 200°C to 800°C We have to calculate energy change From Table B.8 provided in…

Q: . The HHV for Ethanol is 29.7 MJ/kg. From this information, please determine the heat of formation…

A:

Q: SAQ-8 The constant pressure molar heat capacity, Cp,m, of methane gas, CH4, is 35.31 J K-¹ mol-¹ at…

A: mass of methane = 1.6 Kg = 1600 g molar mass of methane = 16 g/mol moles of methane = 1600 g16gmol…

Q: Calculate the adiabatic temperature of the combustion products if methane is burned with 20% excess…

A: Given: Methane is burned with 20% excess oxygen  The reactants enter at 25oC. a)Methane is burned…

Q: oxygen and aluminum react to form aluminum(III) oxide. the delta H reaction for this is -3339.6 kJ.…

A:

Q: Three perfect gases, all at a temperature of 25°C, are placed into a box with sides of length 1m,…

A: Note: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question…

Q: The heat capacity of sulfur is Cp= 15.2 + 2.68T where Cp is in J/(g- mol K and T is in K, Convert so…

A:

Q: In order to evaluate the heat capacity of Solid X, the equation in the image shall be used.…

A:

Q: 1. A problem indicates that the enthalpy of a compound can be predicted by an empirical equation H…

A:

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 =…

A:

Q: Hot waters enters a radiator at a rate of 0.5 kg/s, losing heat from 100°C to 75°C. Air flows across…

A: Given: Number of Tubes(N)=50 tubes Inner diameter of tube(di)=5mm=0.005 m Length  of…

Q: 4. The latent heat of vaporization of n-hexane at 25 °C is 366.1 J/g. What approximately is the…

A: Value of latent heat of vaporization at 1500C is asked.

Q: steady-flow process.

A:

Q: 6) Estimate is AH, AS, and AG for the following reaction CH6 (benzene, liq.) 30°C C,H6 (vapor) at…

A: The enthalpy is a product of heat capacity and temperature. The change in enthalpy is given by the…

Q: An air sample contains 10% H2O(g) by mole   at 100 °C, 1 atm. a.At what temperature would be the…

A: Given data: The composition of water in the air mixture = 10 mole % Temperature of air sample = 100…

Q: 2. The heat capacity of sulfur is C, = 15.2 + 2.68T, where C, is in J/(g mol)(K) and T is in K. %3D…

A:

Q: 1-kg/s Glycerin (C₂=2200 J/kg.K) is to be heated from 20°C to 60°C using 2-kg/s Ethylene Glycol (Cp…

A:

Q: 5. A tank contains a liquid composed of 60 mol% toluene and 40 mol% benzene in equilibrium with the…

A: Given: x1 = 0.6, x2 = 0.4, P = 1 atm, T = 80 0F To calculate the composition of the gaseous phase…

Q: Estimate the heat of vaporization of methyl chloride at 243.15 K from the Clapeyron equation…

A: Temperature, T = 243.15 K Clapeyron equation, lnPs= 14.2410 - 2137.72T-26.72..........(i) We know…

Q: A food product containing 82% moisture content is being frozen. Estimated specific heat of the…

A: Moisture content = 82% Moisture content is being frozen = 75 % Specific heat of the dry product = 2…

Q: The vapor pressure of liquid cadmium is 400 mm Hg at 983 K. Assuming that its molar heat of…

A: The vapor pressure of liquid cadmium at 959 K is to be calculated.

Q: Write the thermochemical equation for the following reactions that occur at constant pressure.

A: Given that, The amount of heat released = 3923.9 kJ It is required to write the thermochemical…

Q: 2. 1 toluene. Entering the process is 0.5126 m³ of toluene (C,Hs) vapor at 124 °C. The liquid…

A: Given: A toluene-water system enters a heat exchanger For toluene: Volume V = 0.5126 m3 and; Let the…

Q: 7. The combustion of toluene has a DExn of -3.91 x 103 kJ/mol. When 1.55 g of toluene (C-Hg)…

A: Given that, The energy released during the reaction DErxn = -3.91 × 103 kJmol The mass of toluene m…

Q: Carbon disulfide, CS2, has a normal boiling point (at 1 atm) of 35°C and a heat of vaporization of…

A:

Q: What amount of heat is required to heat 5g of liquid water from 0°C to 100°C? The specific heat of…

A: The Law of conservation of Energy states that energy in the Universe is constant. Energy can neither…

Q: Problem 1 A vapor mixture containing 65% benzene and 35% toluene is cooled from 150°C to 90°C at a…

A: Given that: Vapor mixture has following composition Benzene = 65%  Toluene =35%  Initial…

Q: 10 mol of feed composed of 40 mol% methanol and 60 mol% ethanol at 20 cantigrade C is fed…

A: Specific heat is defined by the amount of heat needed to raise the temperature of 1 g of a substance…

Q: determine the enthalpy of formation at 298 K

A:

Q: If LiCl·3H2O(s) and H2O(l) are mixed isothermally at 25°C (298.15 K) to form a solution containing…

A: Heat of reaction is either the amount added to reaction or removed from reaction. This action is…

Q: evaporator

A:

Q: Calculate AH;f

A: To produce change in temperature by a unit degree of a molecule, the amount of heat required for the…

Q: Use Table B.8 to calculate the energy change, in kJ, as 1 mole of N₂ goes from 800°C to 300°C.

A: Given that Thin =800 CThout  =300 Cn=1 mole

Q: In order to concentrate 5,000 kg/h of an NaOH solution containing 10 wt.% NaOH to a 25 wt.%…

A: A solution of NaOH is concentrated in single –effect evaporator.

Q: Once the methanol has reached its boiling point, it must be vaporized. Themolar enthalpy of…

A: Given: The enthalpy of vaporization for methanol is ∆Hvap = 38 kJ/mol The amount of heat (Q)…

Q: Nitromethane Fuel CH3NO2 is burned with atmospheric air in a stoichiometric ratio. The number of…

A: Balance combustion equation of Nitromethane Fuel gives number of moles of N2  Answer is 3.32 moles…

Q: If a food product is being frozen in a system capable of removing 6200 kJ of thermal energy per…

A:

Q: At 150 °C, linalyl acetate exerts a vapor pressure of 93 tor. If a steam still were run using steam…

A: