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Problem- The explosive nitroglycerin (C3H5N3O9) decomposes rapidly upon ignition or sudden impact according to the following balanced equation: 4C3H5N3O9(l)â??12CO2(g)+10H2O(g)+6N2(g)+O2(g)Î?Hâ??rxn=â??5678kJ
Calculate the standard enthalpy of formation (?H?f) for nitroglycerin
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Problem- You burn 4.08 g of Arginine in the bomb calorimeter (with 2 L of water). The temperature increases from 17.49 degrees C to 23.83 degrees C. Determine the enthaply of combustion and the enthalpy of formation of Arginine.
The accuracy of this experiment depends on good technique. Would the following techinque errors result in an erroneously high or an erroneously low calculated molarity of an NaOH solution
two full bottles contain respectively 1.0 kg of potassium nitrate kno3 and 1.0 kg of strontium chloride srcl2. which
2C8H18(l) + 25O2(g) => 16CO2(g) + 18H2O(l) ?H = -11,200. kJ Standard enthalpies of formation, ?Hf: CO2(g), -393.5 kJ/mol; H2O(l), -285.8 kJ/mol Use the above data to calculate the standard enthalpy of formation of octane, C8H18(l).
Explain the difference between oxidative phosphorylation and substrate-level phosphorylation occurring in glycolysis and the citric acid cycle
A nuclear power plant operating at 40.0% efficiency produces 1122 MW of usable power in 1.00 year and consumes 1.15×106 g of uranium-235. What is the energy in joules released by the fission of a single uranium-235 atom
Lead(II) forms soluble hydroxo complexes in excess base. Calculate the molar solubility of lead hydroxide (yellow form) at pH 8.46. See your text for equilibrium constants.
a 1.00-l gas sample at 100. degrees celsius and 600. torr contains 50.0 helium and 50.0 xenon by mass. what are the
What is the mass of a rectangular piece of copper 24.4cm x 11.4cm x 6.6cm? The density of copper is 8.92 g/cm^3.
calculate the final temperature when a 20.4 gram sample of ice at 0oc is placed into a styrofoam cup containing 111
Carvone is the major constituent of spearmint oil. What products would you expect from the reaction of carvone with the following reagents
1.52g of an oxide of nitrogen contains 0.56 g of oxygen. determine the empirical formula of the compound.?
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