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A hydrocarbon of unknown structure has the formula C10H16. The compound is inert to hydrogenation over the Lindlar catalyst. But on hydrogenation over a palladium catalyst, 1 equivalent of H2 is absorbed. Degrees of Saturation? How many triple bonds? How many double bonds? How many rings
A solution of 0.1% sodium dodycl sulfate (SDS) binds so strongly to polypetide chains that one detergent molecule is sufficient to saturate two amino acid residues.
What mass of CCl2F2 must evaporate in order to freeze 115 g of water initially at 21 C? (The heat of fusion of water is 334 J/g the specific heat of water is 4.18 J/g *K .)
Calculate total and individual w, q, ΔU, ΔH, and ΔS of an Otto engine operating on stoichiometric ethanol - oxygen gas mixture, with cylinder volume of 1 l and compression ratio of 18:1.
what is the degree of purification (fold purification). what is the percent yield of the enzyme recovered in the purified fraction
calculate the volume of nitrogen gas produced from 195.0 grams of sodium azide at 27.0 celsius and 836.0 mmHg pressure
One mole of hydrogen at 25c and 1 bar pressure is compressed adiabatically and reversible into a volume of 5 L. Assuming ideal gas behavior, calculate
Consider the following reaction. 2 HCl(aq) + Ba(OH)2(aq) BaCl2(aq) + 2 H2O(l) ΔH = -118 kJ Calculate the heat when 130.0 mL of 0.500 M HCl is mixed with 300.0 mL of 0.450 M Ba(OH)2.
If a protein sample has a molar mass of approximately 14,000 u, what is the expected freezing point depression when 1.00g is dissolved in 50.0mL of distilled water
Using acetylene as your ONLY source of carbons, show how you would synthesize the following compound. Note: any alkyl halides, alcohols, or other organic compounds must be made first from acetylene
Carbon disulfide and carbon monoxide are produced when carbon is heated iwth sulfur dioxide. 5C9s) + 2SO2(g) --> CS2(l) +4CO9g)
(a) How many moles of acetic anhydride were represented by the 6.00mL (density=1.08 g/mL) used in the synthesis (b) How many excess moles of acetic anhydride were used- over and above the amount needed to react with 3.00 g of salicylic acid
Why is it important to recrystallize the chalcone before proceeding with the hydrogenation reactions?
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