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(a)What is the difference between a state and a microstate of a system?
(b) As a system goes from state A to state B, its entropy decreases What can you say about the number of microstates corresponding to each state?
(c) In a particular spontaneous process, the number of microstates available to the system decreases. What can you conclude about the sign of ?Ssurr?
Use the table of standard reduction potentials to calculate the equilibrium constant at a standard temperature (25 degrees C) for the following reactions:
What is an anionic sulfide complex. Explain in terms of coordination chemistry, and show reactions of their formation. When do these complexes form. Are these complexes water soluble
It takes 42 min for the concentration of a reactant in a first order reaction to drop from 0.45 M to 0.32 M at 25 degrees C. Explain how long will it take for the reaction to be 90% complete
Empirical formula and molecular formula, 2) Two substances Q and R each have the elemental composition C = 60% h=13.3% 0=26.7% by mass 0.60 grams of each substance occupied a volume of 0.336 liters at 137 Celcius and standard pressure
Calculate the ratio of the translational partition functions of D2 and H2 at the same temperature and volume.
What volume, in liters, of hydrogen gas measured at STP can be produced from 50mL of 6.0 M hydrpbromic acid and ac excess of zinc metal, according to the following reaction: 2HBr(aq)+Zn(s) -> ZnBr2 (aq)+H2(g)
Explain what you would do to prove that a solution contained lead(II) ion. You are given a white solid and told that it is either potassium nitrate or silver nitrate. Explain what you would do to determine the identity of the solid
the density of milk is 1.04 g/ml, how many milligrams of milk are in 0.50 qt of milk? (1L=1.057 qt, 1000g=1Kg, 1000ml=1L, 1000mg=1g)
What is the concentration of hydrogen ions in a solution containing 0.39 M HOCN(cyanic acid) and 0.726 M (NaOCN) (sodium shiu (ys6479) - Acid Base Buffers - dungan - (00533434) 3 cyanate).
a weather balloon holding 22l of gas is released at a pressure of 103kpa and a temp. of 15c. what is the temp. at 10km
Which of the following is an experimental fact that valence bond theory cannot explain, but molecular orbital theory can? the paramagnetism observed for O2 the N-N bond order in N2 the rotational barrier about the C-C bond in ethylene the existenc..
How many liters of hydrogen gas are collected over water at 18 0C and 725 mm Hg when 0.84 g of lithium reacts with water. P= 15.5 torr
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