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A 0.0000704 M sample of Compound X in a solvent has an absorbance of 0.316 at 528 nm in a 1.000-cm cuvet. The solvent alone has an absorbance of 0.066. Explain what is the molar absorptivity of Compound X?
A dissimilar sample of Compound X in the same solvent has an absorbance of 0.506 at 528 nm when measured with the same cuvet. Explain what is the concentration of this second sample?
A reaction was conducted in benzene as the solvent. Because the reaction was very exothermic, the mixture was cooled in a salt-ice bath. This was a bad choice. Why?
What is the balanced education and stoichiometric reagents needed with mole calculations of 1 sodium hydroxide pellet(0.075 to 0.095 g) and 0.24 g acetophenone and 0.11 g benzaldehyde
What are the advantages of working with microscale equipment as opposed to larger equipment in a Williamson ether synthesis of phenacetin experiment.
What volume (in mL) of an 8% w/v acetic acid solution would be needed to form 2.2 L of carbon dioxide gas at 25.2 degrees Celsius and 0.9982 atm? Assume the acid is reacted with excess sodium bicarbonate, and round your final answer to two sig fig..
When 1 of a fuel is burned at constant pressure, it produces 3452 of heat and does 13 of work. What is the value of delta H for the combustion of the fuel?
What is the boiling point of a solution containing 15.0 g of urea in 0.500 L of water. The boiling temperature of pure water is 100.00 oC and the boiling point elevation constant of water is 0.5121 oC.m-1
Freshly cut garlic contains allicin, a compound responsible for the true garlic odor. Propose a short synthesis of allicin, starting with 3-chloropropene.
When two atoms of 2H (deuterium) are fused to form one atom of 4He (helium), the total energy evolved is 3.83 × 10-12 joules. What is the total change in mass
dimethylhydrazine ch32nnh2 was used as a fuel for the apollo lunar descent module with n2o4 being used as the oxidant.
At a certain temperature, the equilibrium constant, Kc, for this reaction is 53.3. H2(g)+I2(g) 2HI(g) Kc=53.3 At this temperature, 0.800 mol of H2 and 0.800 mol of I2 were placed in a 1.00-L container to react. What concentration of HI is present..
assuming no heat loss, and that the specific heat (capacity) of water is 4.184 J/g*K, what is the heat capacity of the copper in J/K?
a proposed automobile battery involves the reaction of zns andcl2g to give zncl2. if you want such a battery to operate
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