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A mixture of 75%mole propane and 25%mole hydrogen is burned with 25% excess air. Fractional conversions of 90% of the propane and 85% of the hydrogen are achieved; of the propane that reacts, 95% reacts to form CO2 and the balance to form CO. The hot combustion product gas passes through a boiler in which heat transferred from the gas converts boiler feedwater into steam. Calculate the concentration of CO (ppm) in the stack gas on a dry basis. Use extent of reaction species balance to solve.
Draw a separation scheme for isopentyl acetate from its reactants (isopentyl alcohol, glacial acetic acid, and concentrated sulfuric acid)
A student is asked to react 3-methyl-2-butanol with HBr. predict the products and explain why the experiment will not be as successful for production of an alkyl bromide as the reaction of 1-butanol with HBr
A 46.2mg sample of phosphorus reacts with selenium to form 135mg of the compound. What is the empirical formula of the phosphorus selenide
Calculate the pH of a buffer solution formed by adding 28.75 grams of sodium lactate (NaC3H5O3) to 450.0 mL of 0.550 M lactic acid (HC3H5O3) solution
show work on the mineral greenockite is yellow sulfide of cadmium that is 78.0% cadmium and 22.0% sulfur. determine the empirical formula of greenockite.
Write a complete balanced equation for the neutralization reaction between HCl and NaOH.
A healthy stream has an oxygen concentration of 0.00850 g/L. Assuming no biological process affects this concentration, what must be the pressure of oxygen
When two atoms of 2H (deuterium) are fused to form one atom of 4He (helium), the total energy evolved is 3.83 × 10-12 joules. What is the total change in mass
Consider that sodium hydroxide is added to acetic acid (CH3COOH). What is the direction of equilibrium and by how much. Pka of Sodium Hydroxide
The Occupational Safety and Health Administration has set the limit on the maximum percentage of carbon dioxide (CO2) in air a worker can breathe at 0.500% by mole
Sketch a molecule of Pbr3Cl2 in which the chlorines are in axial position position. Sketch another molecules of Pbr3Cl2 in which the chlorines are equatorials positions.
How many electrons are around the central atom in the expanded valence in I3-; where the 3 is subscript and the negative sign is superscript
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