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Problem- The molar heat of vaporization for benzene is 7.3 kcal/mol. How many calories are required to vaporize 425g of benzene at its boiling point
If possible just a brief explanation how you got the answer?
Which of the following processes are spontaneous. Select all that apply. A. a satellite falling to Earth. B. water decomposing to H2 and O2 at 298 K and 1 atm
A researcher working on a batch of a ceramic material tested two sets of samples for fracture strength. For one set of samples the specimens were tensile bars with a 10x10x100 mm^3 tensile gauge section
what volume of liquid benzene must be vaporized to give that average concentration in a room
A 0.831-g sample of SO3 is placed in a 1.00 L container and heated to 1100 K. The SO3 decomposes to SO2 and O2: 2SO3 (g) 2SO2 (g) + O2 (g). At equilibrium the total pressure in the container is 1.300 atm.
How much will you pay for gasoline if you drove to Alltel Football Stadium in Jacksonville to watch the Dawgs play the Gators, if the round trip is 736.8 miles in a car that get 14.06 km/L if gasoline costs $1.679/gallon
Consider the titration of 51.5 mL of 1.2M NaOH with 1.0 M HCl. Find the PH at the following points. The acid volume needed to reach the equivalence point
From the 1H NMR spectrum of dibenzalacetone can you deduce what stereoisomer(s) of dibenzalacetone is (are) formed. The chemical shift of the alkene protons is downfield from the expected resonance. What is the shift due to
An empty aerosol can at 25 degree celcius still contains gas at 1.00 atmosphere pressure. If an empty can is thrown into a 488.2 degree celcius fire, what is is the final pressur in the heated can.
nitrogen and oxygen form an extensive series of oxides with the general formula nxoy. what is the empirical formula
At 50 degrees C, the value of pKw (the dissociation constant for water) is 13.262. Calculate the pH of water at this temperature.
If someone gave you a sample of metallic element, explain what physical properties might you use to identify the element? Presume you have a reference such as the handbook of chemistry and physics that lists physical properties of the elements.
Question- Here you have saturated CaF2 solution. (ksp of CaF2=3.4x10/\-11). Precipiate or dissolve into solution under the following conditions. Briefly explain why.
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