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The enthalpy of combustion of benzoic acid (C6H5 COOH) is commonly used as the standard for calibrating constant-volume bomb calorimeters; its value has been accurately determined to be -3226.7 kJ/mol. When 2.8203 g of benzoic acid are burned in a calorimeter, the temperature rises from 22.84°C to 24.67°C. What is the heat capacity of the bomb? (Assume that the quantity of water surrounding the bomb is exactly 2250 g.)
The following compound has two stereoisomers. One has a dipole of 0 D, and the other has a dipole moment of 2.95 D. Draw the structure of the stereoisomer with dipole moment of 2.95 D.
suppose 321 grams of methylamine (CH3NH2) and 332L of oxygen gas are mixed together in the reaction below at STP. how many grams of water should be prouduced?
How many bananas would be needed to power a 100 W light bulb. Your solution must begin with a calculation of the amount of 40-K in a banana and include the half-life and the decay energy.
A 1.00 L buffer solution is 0.150 M in HC7H5O2 and 0.250 M in LiC7H5O2. Calculate the pH of the solution after the addition of 100.0 mL of 1.00 M HCl. The Ka for HC7H5O2 is 6.5 x 10^-5
Problem- treatment of 2, 3, 3-triphenylpropionitrile with 1 equivalent of potassium amide (KNH2) in liquid ammonia followed by addition of benzyl chloride affords 2-benzyl-2, 3, 3-triphenylpropionitrile in 97% yield. Use of 2 eq. of potassium amid..
Calculate the % atom economy for the following two methods for converting benzene, C6H6, to aniline, C6H5NH2
Use condensed structures to illustrate the 3 possible charged species and the one neurtral species that can exist in aqueous environments for the polar acidic acid of your choice. Indicate which conditions are present in each of the four drawings.
A 643 mL gas sample at STP is compressed to a volume of 187 mL, and the temperature is increased to 33?C. What is the new pressure of the gas in Pa? Answer in units of Pa.
suppose you have designed a new thermometer called the x thermometer. on the x scale the boiling point of water is 122
Write a balanced molecular equation for the overall reaction, using the smallest whole number coefficients, including the states of matter for each reactant and product.
natural uranium consists almost entirely of 238u. to operate a nuclear power reactor the fuel must be enriched in a
Corrosion is a leading cause of structural degradation of bridges and roadways. Not only does rust weaken metal structures, but as it builds up it forces apart connecting parts of the structure, causing the structure to fail and risking public safety..
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