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A chemist wants to resolve a particular amine, but she has only meso-tartaric acid on hand. She scans the lab inventory and finds several acids, but they are listed only by their common names, which she does not know or remember. Which of the following acids could she in principle use for the resolution of an amine: magic, maleic, malonic, malic, mandelic, meconic, muconic or myristic acids?
Two moles of sucrose are dissolved in eight moles of water. Assume that the solution follows Raoult's Law, but the vapor pressure of sucrose is negligible, as it is for most solids. The distillation is carried out at 1 atm.
How do standard additions and calibration curves differ in quntification? What are the advantages and disadvantages of each?
consider the following reaction: 2 A(g) + B(g) 3 C(g) + D(g) Please determine Kc if 6.0 moles of A is added to 6.0 moles of B in a 2.0 L yields 0.10 moles of D at equilibrium.
Which one of the following is the correct formula resulting from a combination of the common ions from these elements: Li and S
Ammonium hydrogen sulfide decomposes on heating NH4HS(s) NH3(g) + H2S(g) If Kp for this reaction is 0.11 at 298 kelvins (with pressures in atmospheres)
a good yield of photosynthesis for agricultural crops in bright sunlight is 2000.kg of carbohydrate e.g. sucrose per
Determine if the following solution is acidic, basic or neutral and then calculate the pH of each. Assume T = 25°C.
Where do i draw the line between a good leaving group and an excellent leaving group(sn1)? Do i draw the line for a excellent leaving group at all halides
In plating the Zn onto the nail, it required 3.0v. If you were plating Ag onto the nail, do you think that 3.0v will work? If not, should the Ecell be higher or lower. Explain.
If 7.85 x 10 to the 24th power Sc atoms react with excess CaO, how many grams of each product will form? You will need to determine the equation of the reaction.
A sample of 0.0020 mole of HCl is dissolved in water to make a 1500. mL solution. Calculate the molarity of the HCl solution, the [H3O+], and the pH. For a strong acid such as HCI,.
What would you guess is the electron configuration of the ground state of iodine? And for Zirconium?
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