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Consider the dissolving of ammonium nitrate, NH4NO3 (s), for which ?H° = +25.3 kJ/mol. If 133 grams ofammonium nitrate are dissolved in 367 grams of water, and the initial temperature is 25.0°C, what will be the final temperature of the system? You should assume that the specific heat of the entire system (the ammonium nitrate and water combined) is 4.18 J/g°C.
Vessel A contains NH3 gas at 80 degrees celcuis and vessel B contains Ne gas at the same temperature. If the average kinetic energy of NH3 is 7.1x10^-21 J/molecules at 70 degrees celcius, calculate the root-mean-square speed of Ne atomes in m/s.
How many moles of each reactant are used in the epoxidation of cholesterol? Assume the 3-chloroperoxybenzoic acid is 80% pure.
The glutamate and ammonia reaction can couple with the hydrolysis of ATP (such as shown above). What is delta G ran and K for this coupled reaction
The first step in industrial nitric acid production is the catalyzed oxidation of ammonia. Without a catalyst, a different reaction predominates: 4NH3(g) + 3O2(g) ? 2N2(g) + 6H2O(g) When 0.0230 mol gaseous NH3 and 0.0250 mol gaseous O2
A solution of a dye absorbs light of wavelength 480 nm, and for this absorption, the extinction coefficient is 18600 L/mol/cm. A sample of the dye of unknown concentration is placed in an optical cell of path length 1 cm
Calculate q, and determine whether heat is absorbed or released when a system does work on the surroundings equal to 64 J and ?U = ?213 J.
the density of aluminum is 2.70 gcm3 and the density of chronium is 7.19 gcm3. if equal masses of aluminum and chronium
When adjusted for any changes in delta h and delta S with temperature, the standard free energy change delta G at 500K is equal to 9.8x10 4 J/mol.
The next most abundent isotope is 26Mg, relative atomic mass 25.98259. The third Isotope is 25Mg whose natural abundance is in the ratio of 0.9083 to that of 26Mg. What is the relative atomic mass of 25Mg?
What is the structural Drawing for Cyclopentane?
a solution is 0.010 m in both br- and so42-. a 0.250 m solution of leadii nitrate pbno32 is slowly added to it. a which
Determine how many significant figures are there in the Fahrenheit result when 7.02C converted to Fahrenheit scale,?
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