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Calculate the heats of combustion for the following reactions from the standard enthalpies of formation listed in the text: (a) 2H2(g) + O2 (g)--> 2H2O (l). (b) 2C2H2 (g) + 5O2 (g) --> 4CO2 (g) + 2H2O (l).
Suggest at least two reagents other than sodium borohydride that could be used to carry out the reduction of 9-fluorenone to 9-hydroxyfluorene.
Using the Henderson-Hasselbalch equation determine the pKa for illinic acid from the following values: At pH 9.02, the concentration of illinic acid and its conjugate base
Ethylene gycol has a density of 1.11g/mL. What is the volume of 30.0 g of ethylene glycol?
Don't worry about the concentrations of reagents or the colors resulting precipitates (if any). You don't have to precipitate all ions, just separate them
The rate constant of the reaction A ? B + C is 2.75 x 10-7 s-1 at a certain temperature. The initial [A] is 2.19 M. How many days would pass before A had decomposed to the extent that 0.601 M of A remained?
What is the pressure of the gas in this mercury manometer if h = 73 mm and atmospheric pressure
Write down the secular determinant for the allyl radical, Ch2=CH-Ch2, and estimate the pi-binding energy.
A plumber's handbook states that you should not connect a copper pipe directly to a steel pipe because electrochemical reactions between the two metals will cause corrosion. What spontaneous redox reaction(s) might cause the corrosion
At what point will the standard solution begin to deteriote after all the chemicals have been mixed? the answer should be in minutes
A student heated a 4.901 g sample of hydrated iron chloride. After heating, the anhydrous iron chloride has a mass of 3.010 g. Calculate the percentage by mass of water in the hydrated compound.
A beaker contains 0.964 grams of nitrogen. How many moles of molecular nitrogen does the beaker contain?
A 9-mm Xian short-barrel experimental pistol is fired and the reacting, exploding gases push the bullet down the barrel of the gun. The pressure is recorded as the bullet accelerates to the exit.
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