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What does the first law of thermodynamics tell you about a thermodynamic process? What does the second law tell you? Why can't entropy be destroyed? Can absolute zero be attained? Explain.
Question- a) Show with the aid of a form of the Nernst equation that when using a pH sensitive glass electrode and reference electrode that the measured potential is proportional to pH. Please show all steps.
If 24mL of 6.6 M H2SO4 was spilled define what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid
Titanium tetrachloride, TiCl4, has a melting point of -23.2 C and has a Delta H fusion = 9.37 kJ / mol.
5-hydroxypental gives a sixmemebered ring hemiacetal. Write a mechanism for the formation of the hemiacetal catalyzed by sulfuric acid.
0.46mol of argon gas is admitted to an evacuated 30cm3 container at 60c. the gas then undergoes an isochoric heating to
diffraction studies of crystals depend on interferences between planes of electron density whose spacing must be
Titanium (IV) oxide, TiO2, is heated in hydrgoen gas to give water and a new titanium oxide, TiO. If 1.598 g of TiO2 produces 1.438 g of TiO, what is the formula of the new oxide
A vapor composed of 0.20 mole fraction ethanol and 0.80 mole fraction acetic acid at 120.0 mmHg (absolute), is in equilibrium with a liquid phase also composed of ethanol and acetic acid. Assume that the liquid is an ideal solution and apply Raoul..
When NaOH is added to the reaction mixture, Cu(OH)2 does not immediatly precipitate. What else in the reaction mixture reacts with NaOH before Cu(OH)2 is formed?
Show the orbital-filling diagram for S (sulfur). Stack the subshells in order of energy, with the lowest-energy subshell at the bottom and the highest-energy subshell at the top.
What are the molecular weights of ether and dimethylether? Are they isomers of each other or is each an isomer of something else? Why are there significant differences in their chemical and physical properties?
What volume of concentrated HCl (12 M) and what weight of solid tris-(hydroxymethyl)aminomethane (as the base) are required to make 100 mL of 0.250 M buffer, pH 8.0 (pK of Tris hydrochloride if 8.0)?
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