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(a) Express the second law of thermodynamics as a mathematical equation.
(b) In a particular spontaneous process the entropy of the system decreases.What can you conclude about the sign and magnitude of ?Ssurr?
(c) During a certain reversible process, the surroundings undergo an entropy change, ?Ssurr = -78J/K. What is the entropy change of the system for this process?
If there is the possibilty that the container may rupture if the pressure exceeds 8.0 atm, at what temperature is rupture likely to occur?
calculate the specific heat of a substance if a 35 gram sample absorbs 28 joules as the tempature is raised from 292 kelvin to 313 kelvin.
what features would you expect to be different when comparing the ir spectra of serine and tyrosine? provide at least
if 5.25mL of 0.1000 M NaOH solution is needed to just neutralize excess acid after 20.00 mL of 0.1000 M HCl was added to 1.00 g of an antacid, how many moles of acid can the antacid counteract per gram.
What volume of 0.455 M KOH must be diluted with water to prepare 2.50 L of a solution having a pH of 12.50
What is the probability of finding a particle of mass m in (a) the left-hand and one-third, (b) the central one-third, and (c) the right-hand one-third
if you were stranded on a desert island and wanted to perform a re-crystallization what substance would best be used
The enthalpy for combustion of benzene (C6H6) is -3270 KJ/mole. How much heat is release on the combustion
A sample of ammonia, NH3, contains 3.3 x 1021 hydrogen atoms. How many moles of nitrogen atoms are in this sample
two moles of neon gas initially at 33.2c and a pressure of 0.6 atm are compressed adiabatically to one-third of their
q1. how many grams of benzoic acid c6h5cooh are contained in a 75 ml solution at 0.24 m concentration?q2. what volume
A buffer was prepared by mixing a solution that is 0.285 M in HA and 0.385 in A-. The pH of this buffer was 4.435. Then to 405mL of this buffer solution was added to 21.5mL of 2.0 M HCL. Explain what is the pH of this new solution
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