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The bomb that destroyed the Murrah Federal Office building in Oklahoma City in April 1995 was constructed from ordinary materials: fertilizer(ammonium nitrate) and fuel oil ( a mixture of long-chain hydrocarbons, similira to decane, C10H22). Determine the standard enthalpy change of the following explosive reaction by using the apprpriate enthalpies of formation (delta Hf, for C10H22 = -249.7 kJ/mol) 3 NH4 NO3(s) + C10H22 (l) + 14O2 (g) > 3 N2(g) 17 H2O (g) + 10 CO2 (g) Answer in kJ?
What is the total work (in joules) in going from the initial to the final state by way of the preceding two steps? What would be the total work if the process were carried out reversibly?
Twice that amount of light is able to pass through the same thickness of lime jello prepared on Tuesday. What is the relative concentration of the food dye that give rise to the green color in Monday's dessert compared to Tuesday's dessert?
A piston has an external pressure of 11.0 bar . How much work has been done if the cylinder goes from a volume of 0.150 liters to 0.570 liters.
Describe why this is based on the wavelength range that is transmitted. What color would you see if you mixed the two solutions with ?max = 520 and ?max = 610?
Predict the relative order of Rf values for the amino acids in the following mixture: Ser, Lys, Leu, Val, and Ala. Assume that the separation was carried out on paper chromatography
A standard l00-ppm quinine solution registered 125 when measured under conditions identical to those for the diluted sample. Calculate the mass in milligrams of quinine in the tablet.
When sodium reacts with chlorine, 411 kj/mol is released. Calculate the amount of heat released if 1.37 mol of sodium form.
If the partition coefficients for the DCM/water and DCM/bicarbonate systems were different, what was the reason
The reaction 2NO+Cl2=2NOCl is carried out in a closed vessel. If the partial pressure of NO is decreasing at the rate of 20 torr/min, what is the rate of change of the total pressure of the vessel?
re-establish equilibrium conditions as described: The pressure if the system is increased by decreasing the total volume. a) shift to the left b)shift to the right c) no change
What is the final temperature of the water and pieces of metal?
Consider the formation of nitryl fluoride: 2NO2+F2=2NO2 the reaction is first order in F2 and second order overall. what is the rate law
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