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Analyze the sublimation of the crude naphthalene when the crude naphthalene was placed in a 25mL filter flask. The neoprene adapter was used to suspend a centrifuge tube filled with the ice over the solid in the flask, and the naphthalene will be warm by using a low setting on the hot place? (Relate to melting point)
The heat of combustion of ethane C2H6 is 1560 kJ/mol. What is the heat of combustion of ethane in kJ per gram
Excitation of electrons Vs Donation electrons in Photosynthesis
a sample of gas in a cylinder as in the example in part a has an initial volume of 40.0 l and you have determined that
If Bromine has two naturally occurring isotopes .The average mass of bromine is 79.904 u. If 50.54 % of bromine is found as bromine 79(78.9183), Define what is the mass of the other isotope.
Assume that an incorrectly adjusted lawn mower is operated in a garage such that the combustion reaction in the engine is:
Provide a Diagram of a lab setup that can be used to separate a mixture of ethyl acetate and aspirin (a solid organic compound).
what is the difference between biochemical pharmaceutical and diagnostic chemical reactions in healthcare?what is a
What volume of 5.00 M solution (in mL) of calcium nitrate is needed to prepare 500.0 mL of a 0.250 M solution of calcium nitrate
Question- Given the standard biochemical free energies for the hydrolysis of glucose-3-phosphate (-9.2 kJ/mol) and 1,3-bisphosphoglycerate (-49.3 kJ/mol) select the most favorable phosphoryl transfer reaction.
Question- Briefly explain in your own words why the 3dz2 and 3dx22y2 orbitals should be degenerate in an octahedral field even though they are of quite different shapes.
Calculate the pH after the addition of a total 20.0, 30.0, and 70.0 ml of NaOH has been added.
At 200 deg C, K = 0.009 for the reaction: NH4SH (s) -> NH3 (g) + H2S (g). A sample of solid NH4SH is placed into a container and allowed to equilibrate. What is the equilibrium partial pressure of ammonia, assuming some solid NH4SH remains
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