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The entropy change for a particular process was measured to be -1.4 x 10-22 J/K. If the system initially had 4.4 x 1014 microstates at the beginning of the process, how many microstates are there at the end of the process?
In a particular sample, the C13 NMR spectrum showed a signal 25ppm and another signal at 72.3 ppm. if the reference frequency for C13 on the instrument were 25.1 MHz what is the difference between the frequency of each signal and the reference fre..
What is thought to be the source of the sulfur dioxide that was released into the atmosphere following the impact at Chicxulub? What characteristics of hurricanes are NOT also associated with individual thunderstorms?
Calculate how many milliliters of carbon dioxide would be produced theoretically from 20g of sucrose at 25 degrees Celsius and 1 atomosphere pressure.
Problem- 13.1 the objective can be described most simply as converting methane and water into methanol and hydrogen, and then purifying the Methanol so that it meets specifications. The overall process stoichiometry is given by the following relat..
make a model of propane. if you substitute one bromine atom for one hydrogen atom how many isomers are possible? show
Compute the pH at the equivalence point for the titration of 0.20M HCL versus 0.20M NH3.For NH3, Kb=1.8x10
Compute the mass of air in an air-filled tire and the also determine the mass of He in a helium-filled tire
What would the consequence of a "mistake" be?
Butylated hydroxytoluene (BHT) is utilized as an antioxidant in processed foods. It prevents fats as well as oils from becoming rancid. A solution of 2.505 g of BHT in110.0 g of benzene had a freezing point of 4.600°C. Explain what is the molecula..
What fragmentation would give rise to the peak at m/z 45 in the Mass Spectrum. Loss of hydroxyl group.
Solid NaI is slowly added to a solution that is .0075M Cu+ and a .0087 M Ag+. Which compound will precipitate first (NaI, CuI, or AgI), calculate [Ag+] when CuI just begins to precipitate
Draw a six-carbon alkyne that can exist as diastereomers. The molecule should contain only carbon and hydrogen atoms.
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