Using the date below (data gathered when 200 g of water is heated by unknown fuel), calculate the heat of combustion, ∆H°c of the unknown fuel. Express the answer in kJ/g. Given: Initial temperature of water 30°C Final temperature of water 50°C Mass of water 200 g Initial mass of the unknown fuel 40.00 g Final mass of the unknown fuel 27.00 g

Q: Wet steam at 20 bar is throttled to a pressure of 1.5 bar and a temperature of 411 K. What wasthe in...

A:

Q: Find the composition and temperature, Tbp, of a vapor in equilibrium with a liquid that is 0.800 mol...

A: Hello! There are multiple questions posted .Here we are answering the one appearing first and we sug...

Q: The normal melting point of benzene, C6H6, is 5.5°C. For the process of melting, what is the sign of...

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for...

Q: Pure milk at 293 K has a density of 1030 kg / m3 and a viscosity of 2.12 cp flowing at a rate of 0.6...

A:

Q: Four hundred lbmol/h of an equimolar mixture of n-heptane andtoluene at 200oF and 20 psia is to be s...

A: Extractive distillation is a process that is used to separate out two components by adding a solvent...

Q: Pure milk at 293 K has a density of 1030 kg / m3 and a viscosity of 2.12 cp of flow with a rate of 0...

A:

Q: 6

A: Energy density of pure gasoline = 115600 BTU/gallon Energy density of ethanol = 75670 BTU/gallon Cos...

Q: Calculate the fraction of pentane in the liquid that is in equilibrium with the following vapor at 8...

A: Given that, Temperature T = 80oC = 353.15 K Composition (in mole fraction) of vapor phase Ethane = 0...

Q: Using the steam table, determine the enthalpy change of 1 kg of water for each of the following case...

A: Hello! You have posted a question with four subparts .Here, we have answered the first three .We sug...

Q: When the nuclide thallium-201 decays by electron capture: The name of the product nuclide is ______ ...

A: The reaction involve in decays by electron for nuclide thalium-201 is as follow:- Tl81201 As the mas...

Q: (3.a) Develop a set of pi groups using W and Q as the 'king' variables.

A: 3.a Given: W is a function of D,ρ,ω and Q. W = f ( D,ρ,ω,Q) Hence the total number of variables n = ...

Q: Using the steam table, determine the enthalpy change of 1 kg of water for each of the following case...

A:

Q: Consider a steel pipeline (AISI 1010) that is 1 m in diameter and has a wall thickness of 40 mm. The...

A:

Q: A binary mixture containing 50 mole % benzene and the remainder toluene at 10°C is fed continuously ...

A: Draw the flow chart for the distillation process as follows:

Q: Pure milk at 293 K has a density of 1030 kg / m3 and a viscosity of 2.12 cp flowing at a rate of 2,4...

A: Given that, Temperature T = 293 K Density ρ = 1030 Kgm3 Viscosity μ = 2.12 cP = 0.00212 Pa.s The mas...

Q: Classify each molecule as polar or nonpolar.

A:   CO32- = Non-polar Using VSEPR or Lewis structure rationale, carbonate (CO32- ion) ion is non-polar...

Q: Consider a system like the one shown in the figure. Tank A has a volume of 100 L and contains satura...

A: Given: Volume in tank A (VA)=100 L Temperature in tank (TA)= 250 °C The piston needs 300 kPa to lif...

Q: Give four design features of flue gas analysis stack

A: The design features of the flue gas analysis stack are to be mentioned.

Q: The normal boiling point of ethanol is 78 degrees Celsius, and the standard enthalpy of vaporization...

A: Given that, Normal Boiling Temperature of Ethanol T1 = 78oC = 351.15 K The pressure at Normal Boilin...

Q: The following are not commonly made from composites: Select one: a. Desks b. Canoes c. Bridges d....

A: Ans.  Composites is the material that are made up of two or more materials. Which on combining they ...

Q: Air enters a compressor at 1 atm, 300K then exits at 10 atm. What would bethe work needed per unit m...

A: To find work needed per unit mass of air in  (a) adiabatic and reversible compression (b) isothermal...

Q: 36. Given the following thermochemical equations 2H,(g) + O,(g) - 2H,O(1) AH = -571.6 kJ N,O5(g) + H...

A:

Q: Please do 5 a

A: Given data: Volume of a mobile home= 100 m3 Ventilation rate = 0.38 ach (air changes per hour) Conce...

Q: Give four design features of flue gas analysis stack?

A: Flue gas are the exhaust gas produced by the combustion processes. The main components of flue gas a...

Q: 5. A spirit burner used 1.00 g methanol to raise the temperature of 100.0 g water in a metal can fro...

A:

Q: A counterflow, thin-walled concentric tube heat exchanger isused to cool oil (cp: 2.20 kJ / kg ° C) ...

A: Given: heat capacity of oil (Cpo )=2.2 kJ/kg°C heat capacity of water (Cpw )=4.18 kJ/kg°C mass flowr...

Q: What is meant by 'Profession', and what are the 'effects' of 'the profession' on the role of the eng...

A: A profession is characterized as a designation of an educated employee who is well trained in his wo...

Q: Copper spheres 20 mm in diameter are quenched by being dropped into a tank of water that is maintain...

A: Given, Diameter of sphere, D = 20 mm temperature of want in the tank ,T∞ = 280 K terminal velocity, ...

Q: Answer ASAP

A:

Q: Consider the resonance structures for the carbonate ion. :0: :0: :0: How much negative charge is on ...

A:  Negative charge on each oxygen of carbonate ion : = -0.67 (Solution: -2 charges / 3 O atoms = -0.67...

Q: 12.) An individual running on a treadmill machine generated an average power of approximately 0.27 h...

A:

Q: The system equations for two liquid surge tanks inseries are A₁dh′₁/dt=q′i−1/R₁h′₁,q′₁=1/R₁h′₁ A₂dh′...

A: The system equations are A1dh1'dt=q1'-1R1h1'        ........(1)A2dh2'dt=1R1h1'-1R2h2'        ..........

Q: Explain the reaction of Ethene with Bromine water?

A: When ethene reacts with bromine water 1,2 dibromoethane is formed. The reaction is used as a test fo...

Q: A material consisting originally of 25 mm particles is crushed to an average size of 7 mm and req ir...

A: a. The Rittinger's law is given as, E=Kr1Dsb-1Dsa        ........(1)Where,E=required energyDsb=Avera...

Q: Can you apply Equation (2) at non-phase change temperatures? Why?

A: No, we cannot apply equation 2 at non-phase change temperature.

Q: Dry air is saturated with hexane vapors 200K and 100 kPa. The vapor pressure of hexane in 200K is 1....

A: Given data: Vapor pressure of air at 200K=1.75kPa=Ph Total pressure, P=100kPa we are asked to calcul...

Q: A steam power plant operates on the ideal Rankine cycle. Steam enters the turbine at the following c...

A: Rankine cycle Through Rankine cycle model, the performance of a steam power plant is measured. It is...

Q: Maxwell’s equation can be used to evaluate the latent heat of vaporisation of a pure substance. Choo...

A: One Maxwell’s relation among 4 of them is ∂S∂VT=∂P∂TV        ........(1) If we multiply both sides b...

Principal Quantities and EOS

A physical quantity represents the physical state of a system. It is expressed as the product of a number and unit. The basic quantities used in science are length, mass, and time. The principal quantities are the quantities that are independent of other quantities.