Q1) What is the meaning of chemical reaction? Write an example of a chemical reaction
Q: components do not mix in the liquid phase, and each independently exerts its saturation pressure…
A: 1. Immiscible components do not mix in the liquid phase, and each independently exerts its…
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Q: 20. The density of fuel having 28° Baume is A. 0.886 B. 0.871 C. 0.893 D. 0.654
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Q: D 1500 N 4 m 2000 N E 4 m B A 6 m
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Q: f the temperature of the air is 30°C and the substance cools from 100°C to 60°C in 25 minutes,…
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Q: How many liters of hydrogen gas are collected over water at 18C and 725 mmHg when 0.84 g of lithium…
A: Given data: *The temperature of the system is T=18° C. *The pressure of the system is P=725 mmHg.…
Q: 33 A device used to measure the heat transferred in chemical reactions and physical changes is…
A: Concept: 1) Barometer is used to measure pressure. 2) Calorimeter is used to measure heat. 3)…
Q: Illustrate the following diagrams a) T-v diagram of pure substance b) P-v diagram of pure s
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Q: Reaction At A &B
A: Refer attachment below
Q: If the polytropic exponent has a value equal to the specific heat ratio, then the substance…
A: expression for isentropic: PVγ = constant expression for Isobaric : P = constant expression…
Q: Which property of a system determines whether the system will be in thermal equilibrium with other…
A: Temperature is a property which determines if the system will be in thermal equilibrium with other…
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Q: QUESTION 6 (Fuels and Combustion) The chemical analysis by mass of a fuel is: C = 87.1%, H2 = 4.4%,…
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Q: Chemical composition does not change if the system is under chemical equilibrium. Select one: True…
A: Chemical equilibrium means the properties of system remiains constant and also
Q: A tank contains exactly one kilogram of water consisting of liquid and vapor in equilibrium at 1MPa.…
A: Given data Pressure of Fluid =1 MPa From the steam table, when water is saturated. The value of…
Q: =100°C h= 400 kJ/kg What is the state of the pure substanc
A: for water @ 100°C hf = 167.5 kJ/kg hg = 2574.3 kJ/kg
Q: What is the value of higher heating value if the value of lower heating value is 10 J and the…
A: Option a is correct.
Q: Polluted air can have carbon monoxide (CO) levels of 15.0 ppm. An average human inhales about 0.50 L…
A: Given data: Level of CO in polluted air = 15 ppm = 15 Litre CO106 Litre air Average human inhales =…
Q: Part A How many grams of ice at -14°C must be added to 712 grams of water that is initially at a…
A: GIvenT1=-14oCm2=712g=0.712kgT'0=83oCTf=19oCCw=4190 J/kg CCi=2050 J/kgCLHF=334 ×103 J/kg
Q: Which of the following are pure substances? A gold bar The air around you Water…
A: A pure substance can be an element like metals, non-metals, or metalloids or compounds like water,…
Q: 2.In an engine test the dry volumetric analysis of the products was CO2 0.0527, O2 0.1338 and N2…
A: Volumetric analysis is one of the method in which the mass or amount of matter it consists is…
Q: order of a reaction w
A: a)Second order b) half order
Q: 1- A substance that is intend to be used for certain applications called *
A: This question is about any substance used for any defined application.
Q: 80.45 g of charcoal was combined with 160.18 g of oxygen to produce ash and gases. How much ash, in…
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Q: (P.Ç.1.1) The maximum partial pressure of water vapor in air at equilibrium at a given temperature…
A: total pressure of moist air, P= 1bar =105 Pa relative humidity, ϕ =50% =0.50 ϕ = Pv /PVS 0.50 = PV/…
Q: 12- a- b- C- d- P(B/A) = P(BA) P(A) P(BOA) P(A) P(BA) P (Bº) P(AB) P (A)
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Q: The oxygen at 20deg C and 40 kPa abs enclosed in the rigid container, what will be the pressure in…
A: Given Data State 1 : 20deg C and 40 kPa State 2: -100°C Rigid container
Q: In a phase change process at constant pressure, the temperature of the substance increases remains…
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Q: 5. Describe enthalpy of formation. Please select all answers that apply: a) Standard enthalpy of…
A: 5. Enthalpy of formation: The standard enthalpy of formation is defined as the change in enthalpy…
Q: Which of the following has the lowest calorific value ? I) coal ii) charcoal iii) wood iv)…
A: calorifie value: When we burn a unit mass of any fuel completly then amount of heat produced by…
Q: From the following enthalpy changes Fe2O3(s) + 3 CO(g) → 2 Fe(s) + 3 CO2(g) C(s) + CO2(9) → 2 CO(g)…
A: Consider the first reaction equation given in the problem. Fe2O3+3CO→2Fe+3CO2 Multiplying this by 2,…
Q: Combustion engineering 2. A spherical tank 1.5 m in radius contains 54.55 kg of a mixture of CO 2…
A: giventwo gas mixture of CO2 and N2spherical tank radius r=1.5mmass of mixture m=54.55kgpressure of…
Q: Butane (C4H10) is completely combusted with air. All of the questions on this page refer to this…
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A: Given, Jerry Linda Annual distance (miles/year) 12000 12000 Average gas consumption…
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A: Sedimentary rocks are created by the accumulation of pre-existing rocks or fragments of…
Q: The term peritectic may be used loosely to mean all reactions in which two or more phases (gas,…
A: (4) Peritectic reaction: The peritectic phase diagram with some phases present is given below, A…
Q: What is dynamic equilibrium
A: Given data : dynamic equilibrium
Q: 1- A 0.220 g sample of acetic acid, CH,COOH, is burned in a bomb calorimeter that has a hea capacity…
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Q: Equal volume of monoatomic gases, A and B, at same temperature and pressure are mixed. The ratio of…
A: We know that for monoatomic gases CpCv= (5/2) R(3/2) R= 53=1.67
Q: A supercooled water droplet turning into ice is called ____________. a. c. deposition b. e.…
A: Concept: 1) Water droplets generally in liquid state. 2) While supercooling, the temperature of…
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- Problem 4) LHV and HHV of Fuels Consider the following list of some fuels with their LHV and HHV. a) Provide a plot of the LHV as a function of the molecular mass of the fuel. Group the fuels in categories and discuss any correlation between the heating values and the molecular mass. b) Provide a plot of the percentage increase of the HHV relative to the LHV as a function of the molecular mass of the fuel. Discuss any correlation or generalization. Fuel LHV and HHV LHV Methane (CH4) Propane (C3H8) Isooctane (C8H18) Cetane (C16H34) Methanol (CH40) Ethanol (C2H60) Carbon Monoxide (CO) (MJ/kg) 50.0 46.4 44.2 44.0 20.0 26.9 10.1 HHV (MJ/kg) 55.5 50.4 47.8 47.3 22.7 29.7 10.1.) A 300 MW pulverized coal-fired power plant of 42% efficiency uses coal with an ash content of 19% and a neating value of 24,000 kJ/kg. Assume 28% of the ash content goes up the stack as particulate matter in the flue gas. The PM emission is controlled by an ESP which has the following efficiencies and weight distribution in the given size ranges. Find the fly ash emitted in g/s. size efficiency (%) wt% in flue gas 0-5 70 7 5-10 92.5 19 10-20 96 21 20-40 99 24 >40 100 29A) Explain in detail about gasification system B) List four difference between gasification and direct combustion process
- 1. Find the air fuel ratio for stoichiometric combustion of Ethene by volume. (26.19/1) 2. Find the air fuel ratio for stoichiometric combustion of Butane by volume. (30.95/1). Calculate the % carbon dioxide present in the dry flue gas if 30% excess air is used. (10.6%) 3. Find the air fuel ratio for stoichiometric combustion of Propane by volume. (23.81/1). Calculate the % oxygen present in the dry flue gas if 20% excess air is used. (3.8%) 4. A gaseous fuel contains by volume: 5% CO2, 40% H2, 40% CH4, 15% N2 Determine the stoichiometric air and the % content of each dry product. (4.76 m2, 89.7%, N2 10.3% CO2)Pls answer thank you! Producer gas from bituminous coal contains following molar analysis. CH4 = 3 %, H2 = 14.0%, N2 = 50.9%, O2 = 0.6%, CO = 27.0% and CO2 = 4.5%. This is burned with 25% excess air, Calculate the air/fuel ratio on a volumetric basis.4.1 fuel-rich air-fuel the exhaust gives the following 14.957; Cullg = 0.75% 0% H₂ = 0% 0₂ = 0%, with the rest being N₂. Write the balance chemical equation for one mole of this fuel at these conditions. CO = 1 Calculate : CHHS is burned in an engine with a ratio. Dry analysis of volume percents CO₂ : a- Air-fuel ratio. b. Equivalence ratio.
- A) A natural gas-fired industrial boiler operates with an oxygen concentration of 3 mole percent. Determine the operating air-fuel ratio and the equivalence ratio. Treat the natural gas as butane B) Write the equation of pentane-air combustion and determine the stoichiometric air-fuel ratioQUESTION 8 (Fuels and Combustion) A boiler is fired with a fuel having a mass composition: C = 86.1%, H2 = 3.9%, O2 = 1.4% and ash = 8.6%. Volumetric analysis of dry flue gases gives CO2 = 12.7%, CO = 1.4%, O2 = 4.1% and N2 = 81.8%. Calculate: (a) The total amount of flue gas per kg of fuel fired. (b) The percentage of excess air supplied above the minimum quantity required for complete combustion of fuel.Illustrate, Label and Discuss the following on fuel processes a. Thermal Cracking
- Write brief(1500-200 wo r ds) summary of Ijer's editorial "The Future of Internal Combustion Engine"Discuss an Internal combustion Engine?Please solve with full explain and analyze max in 2 hours thank u Describe what is done in the combustion process in the combustion chamber of a gas turbine to overcome the problem of a very low laminar flame speed compared to aircraft speed and a limited flame limit range?