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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 CO and the balance reacts to form CO. The hot combustion product gas passes through a boiler in which heat transferred from the gas converts boiler feedwater into steam. a) Calculate the concentration of CO (ppm) in the stack gas.
Arrange the following aqueous solutions in order of increasing freezing points
14 g of Si reacts with 16 g of O to produce SiO2, the only product, with no reactant left over. How much SiO2 would be produced from 34 g of Si and excess O?
The contents of one 80. lb bag of topsoil will cover 30. square feet of ground to a depth of 1.7 in. What number of bags are needed to cover a plot that measures 600. by 700. m to a depth of 1.5 cm.
Calculate G°f (kJ mol -1) for glycerol and G°rxn (kJ mol -1) for the combustion of one mole of glycerol
Calculate the work done in Joules when one mole of an ideal gas, initially at P = 9 atm, T = 298 K is expanded isothermally to P = 1 atm if (a) the expansion proceeds against a onstant external pressure Pext = 1 atm; (b) the external pressure is r..
A fire occurred in a storage room where a steel cylinder of oxygen-enriched air was kept. The pressure of the gas in the cylinder was 300 atm at 20 C.
Given a relative reactivity of 5.0:3.5:1.0 (tertiary:secondary:primary) hydrogens,calculate the expected percentage of each of the three reaction products expected in the chlorination of n-pentane?
The standard reduction potential for Zn2+ is -0.76 volt and that of Cu2+ is 0.34 volt.a) Write the cell diagram for the Daniell cell (NH4NO3 salt bridge).
To calculate the heat of reaction between acid and base solutions using the Styrofoam calorimeter which of the following assumptions was not required?
Assuming complete dissociation of the solute, how many grams of KNO3 must be added to 275 mL of water to produce a solution that freezes at -14.5 C?
We have a nuts, bolts, and indirect measurement lab coming up. We'll get a bag of nuts/bolts and I need 2-3 methods on estimating the mass of a bolt without opening the bag. Thanks.
In a solution of glucose and water, if 4.5% of the mass is glucose, how many grams of the solution contain 2.25 g glucose ?
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