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Q2. The percentage composition of a sample of coal by weight was found to be C...
H.W.6.17. A boiler is supplied with coal gas of the following composition: 53.6% H2, 9% CO, 25% CH4, 3% C4H8, 0.4% O2, 3% CO2, 6% N2. If the air fuel ratio is 6.5/1 by volume, calculate the analysis of the dry products of combustion by volume.
Calculate the products of combustion from a coal burning in 25% excess air. The coal has the following properties: C=78.3%; O=6.5%; H=5.3%; N=1.4%; S=1.2%; Ash=6.2%
1) Vanillin, a compound used in the flavoring of food products, has the following percentage composition: 64.2% C, 5.26% H, and 31.6% O. What is its Empirical Formula? 2) A sample of a compound of mercury and bromine with a mass of 0.389g was found to contain 0.111g bromine. its molecular mass was found to be 561u. What are its Empirical and Molecular Formulas? 3) A 0.6662g sample of "antimonal saffron" which is a red pigment used in painting, was...
Do 5-4 problem please !!! 5-3. A lignite coal has the following ultimate analysis on the dry basis: A 13.51 C-59.88 H 4.21 0 19.46 N 1.04 S 1.90 Calculate the theoretical air and actual air per pound of lignite combustion is assumed to be complete and the excess air 18%. Problem 3-3, estimate the dry flue yas indicated in combustible in solid refuse is assumed to be Eeite ݣ .-nts of the flue gas from the lignite specified in...
The analysis of a coal indicates 75wt% C, 17% H, 2% S, the balance noncombustible ash. The coal is burned at a rate of 5000 kg/h, and the feed rate of air to the furnace is 50 kmol/min. All of the ash and 6% of the carbon in the fuel leave the furnace as a molten slag; the remainder of the carbon leaves in the stack gas as CO and CO2; the hydrogen in the coal is oxidized to water,...
A bituminous coal is burned with air in a boiler furnace. The coal is fed at a rate of 40000 kg/h and has an ultimate analysis of 76wt% C, 5wt% H, 8wt% O, negligible amounts of N and S, and 11wt% non-combustible ash. Air enters a preheater at 30 °C and 1 atm with a relative humidity of 30%, exchanges heat with the hot flue gas leaving the furnace and air enters the furnace at temperature Ta (°C). The flue...
Q2) Calculate if the Truck can carry 5 tone freight with 50 km/h speed or not, using given information below? Truck dead weight 13 tones, truck travelling at 8% uphill slope, Air resistance coefficient=0,02 kg.sn-'m, Rolling resistance coefficient = 0,04 kg/kg, Truck wide 2,5 m Truck height 1.8 m, Engine efficiency coefficient 0.90, Truck power-380 HP.
Arkansas Scholastic Press Lab 4 Data Sheet: The Percentage Composition of a Solution Name: Date: Instructor _Time & Day of lecture: DATA TABLE Data Item Data I volume Of Solution - 10.0mL 1. Mass of the dry beaker and watch glass 2. Mass of beaker, watch glass, and solution 3. Mass of solution before heating 87.5g 97.8g 4. First mass after heating 87.8g 87.8g 5. Second mass after heating 6. Mass of dry Naci 7. Mass of H O evaporated...
Arkansas Scholastic Press Lab 4 Data Sheet: The Percentage Composition of a Solution Name: Date: Instructor Time & Day of lecture: DATA TABLE Data Item Data I volume Of Solution - 10.0mL 1. Mass of the dry beaker and watch glass 2. Mass of beaker, watch glass, and solution 3. Mass of solution before heating 87.5g 97.8g 4. First mass after heating 87.8g 87.88 5. Second mass after heating 6. Mass of dry NaCl 7. Mass of H O evaporated...
Chem200 Haggard Homework Problems Composition of Substances and Solutions 1. When 28.Ograms of CO is analyzed, it is found to contain 12.0g of carbon and 16.0g of oxveen. How much carbon and how much oxygen would be found in 100.0g of CO2 2. A sample of a compound is found to contain 40.0g of calcium, 71.0g of chlorine, 4.0g of hydrogen, and 32.0g of oxygen. How much of each element would be needed to make 750.0g of this compound? 3....