A coal containing 80%C and 20% A is needed to calcine limestone containing 35% MgCO3 and 65% CaCO3. The analysis of the kiln gas (100 kg-mol) shows 35% CO2, 8% CO, 7% O2 and the rest is N2. Calculate the % excess air.

Q: If 20.0 ml of 3.0 M HCI solution and 20.0 ml of 3.0 M NAOH solution at 21.5 °C are mixed in a…

A: Given: Ti = 21.5oC Tf = 38oC Cp = 10Cal/oC (calorimeter) Total volume = 40ml Total mass =…

Q: Spent Acid from a stripping column contains 23% H2SO4 and 77% H2O by mass. This stream is to be…

A: Given  Percent composition of spent acid = 23% Percent composition of concentrated acid = 94 % And…

Q: If (15.95g) of copper sulfate CuSO4 is dissolved in (1L) of water, and the heat given off from the…

A: When copper sulfate is dissolved in 1L of water, the reaction is:

Q: ombusts with oxygen (O2) according to the equation: C2H2(g) + 2.5 02(g) -2 CO2(g) + H20OLg)…

A: Let us see what data have been provided: Excess Oxygen  = 91% = 0.91 Reaction: C2H2  + 2.5 O2 →2 CO2…

Q: Iron can react with oxygen to give iron (iii) oxide. If 5.58 g of Fe is heated in pure oxygen to…

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Q: A flue gas from a certain furnace burning a fuel of negligible nitrogen content is found by analysis…

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Q: A.) 2.00 g NaOH is dissolved in 50.0 ml  water. The temperature of the water rises by 7.00oC.…

A: Hi, thank you for posting the question. As there are multiple questions posted, our guidelines allow…

Q: A temperature rise of 11.5°C was observed when 0.500 g of butane gas (C„H,) was burnt and used to…

A: The total heat produced is obtained from the amount of water heated, the temperature changed or…

Q: a product having a moisture content of 60% (wet basis) is dried in a tunnel-type dryer at a rate of…

A: Initial moisture content of the product =60% (wet basis) Mass flow rate of the product,mp.=20 kg/hr…

Q: 3B.1(b) Calculate AStot when two iron blocks, each of mass 1 5 °C, are placed in contact in an…

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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: An alloy containing 30 down under equilibriur temperature. Determi eutectic phases in the

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Q: A solution is prepared by adding 118 g of lactose (milk sugar) to 176 g of water at 55 °C. The…

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Q: Ferrochromium alloy is produced by aluminothermic process using a mixture of 800 g chromite…

A: Consider the aluminothermic process of chromite ore. The chromite contains a mixture of chromium…

Q: Consider the volume vs temperature graph below of an unknown 36.00 mL alcoholic mixture:…

A: To determine the percentage alcohol content of the alcoholic mixture whose temperature-volume…

Q: Number 2 A piece of beef steak 5 cm thick will be frozen in the freezer room -25°C. This product…

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Q: 3. Using the graph below, the boiling point of CCI4 at standard pressure is 1000 CHCI3 CCI4 H20 800…

A: The given molecule is CCl4. The standard pressure is 1 atm which is equivalent to 760 torr

Q: The fuel in the form of biogas (65%-mol CH4 and 35%-mol CO2) is burned in a furnace. Determine the…

A: Given that, The mole% of CH4 in the biogas = 65% The mole% of CO2 in the biogas = 35% The standard…

Q: [5] Solid sodium azide (NaN3) explodes upon thermal activation, forming sodium and dinitrogen.…

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Q: Question 3 Mixed acid is prepared by blending : (i) 125 kg, spent acid containing 11.3% HNO3, 44.4%…

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Q: Enhanced oil recovery (EOR) is used in refinery operations by flooding a bed of rocks with a…

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Q: Table of radioactive isotopes Isotope Heat generation microwatt/kg 238 U 235 U 232Th 40K 94 570 0.9…

A: Given that- Mass of continental crust of earth=2.25x1022 kg The data of abundance is given in ppm…

Q: 100 kg of a mixture of sodium sulfate crystals (Na,SO, – 10H;0) and sodium chloride (Nacl) is heated…

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Q: Pyrite Fines containing 85% FeS2, and 15% gangue are charged to a burner. An analysis of the cinder…

A: Given that, The mass composition of Pyrite fines FeS2: 85% Gangue: 15% The mass composition of…

Q: Two equal masses of C and Au were heated by absorbing 30 KJ, which one of the following is correct?

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Q: 2000 kg

A: To determine percentage of benzoic acid extracted we determined how much benzoic acid is left in…

Q: d. The flash drum is operated such that the liquid mole fraction is 33 mol % dichloromethane, liquid…

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Q: Use the information in Tables 2D.1 and 2E.1 to calculate the energy that must be transferred as heat…

A: Mass of ice = 100 g

Q: A pure saturated hydrocarbon is burnt with excess air. Orsat analysis of the stack gas shows 7.9%,…

A: Orsat analysis of the stack gas is 7.9% -CO2, 1.18% -CO, 0.24% -H2, 5.25% -O2, 85.43% -N2 Pressure…

Q: Example (2): - Nicotine (C) in a water (A) solution 1% is to be extracted with kerosene B at 20°C,…

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Q: Pyrite is reacted with oxygen (O2) to produce hematite (Fe2O3) and sulfur dioxide (SO2). If 100…

A: The pyrite reaction with O2 is given as   2FeS2 + 112O2 ------->Fe2O3 + 4SO2  FeS2 + 114O2…

Q: 5. Pyrite is reacted with oxygen (O2) to produce hematite (Fe2O3) and sulfur dioxide (SO2). If 100…

A: Note: Since we are entitled to answer only three subparts, we’ll answer the first three. Please…

Q: For the cell: Cd/Cd(OH)2s/ NaOH(0.01 M/H₂1 Atm.//Pt The electromotive force at 25°C equal Zero, the…

A: Electromotive force at 25 0C = 0 emf  to electrode Cd/Cd+2 = 0.4 V

Q: Calculate the composition of the coal on a dry ash free basis which has the following  composition…

A: Given Composition of coal on weight basis S  4% N2  2% O2  5% Ash  10% H2O  2% C/H=10…

Q: A distillation tower has a feed of 500 mol /h. The composition in the feed is 70% mol benzene and…

A: Given the mole% of benzene and toluene in feed and other streams. Average molecular weight of feed…

Q: bubbles

A: Product: 15 wt% Na2O, 10 wt% CaO, 75 wt % SiO2 Raw Material: Na2CO3,  CaCO3,  and SiO2.  Finished…

Q: Potassium fluotitanate (K₂TiF₆), a starting material forproducing other titanium salts, is made by…

A: All salts dissolve in the solution according to their solubility in the given solvent. At the given…

Q: 5.2. Ferrochromium alloy is produced by aluminothermic process using a mixture of 800 g chromite…

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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.