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Vector A has a magnitude of 8.00 units and makes an angle 45 degrees with the positive x-axis. Vector B also has a magnitude of 8.00 units and is directed along the negative x-axis. Using graphical methods, find (a) the vector sum A+B and (b) the vector difference A-B.
Problem- The restriction enzyme, Xho1, cuts phage (lambda) DNA at position 33,498. Draw a picture of the gel you will see if it is used as the mystery enzyme in the experiment.
Benzene has a boiling point of 80.1 degrees celcius and a molal boiling point elevation constant of 2.53 degrees celcius/m. Calculate the boiling point of a solution containing 15.0 g of the non-electrolyte C6H4Br2 in 125 ml of benzene (sp gravity..
Identify which process break covalent bonds and which ones simply overcome intermolecular forces? Explain why. A. Subliming iodine B. Oxidation of Mg to MgO C. Dissolving sugar in water D. Freezing pentane E. Converting CO to CO2
A 15.2 g steel sample that contains 10.69 g iron, 2.67 g chromium, 1.22 g nickel, 0.306 g manganese, 0.153 g silicon and 0.122g carbon. What is the concentration of each substance
What is the balanced chemical equation for the reaction used to calculate standard enthalpy of formation of SrCO3(s)
A flask containig helium gas is connected to an open ended mercury manometer. the open end Is exposed to the atmosphere, where the prevailing peessure is 752 torr. the mercury level in the open arm is 26mm above thAt in the arm connected to the fl..
What amount of the excess reagent remains after the reaction is complete in grams?
predict the outcome of the synthesis of an azo dye using 4-nitroaniline as the diazonium precursor and benzaldhyde as the coupling agent
the tosylate of 2s3r-4-methyl-3-phenylpentan-2-ol undergoes an e2 elimination on treatment with sodium ethoxide. draw
find the wt percent of C and H. find the smallest integer ration of C:H in the compound
Lithium iodide has a lattice energy of -7.3 times 10^2kJmol and a heat of hydration of -793kj/mol. Find the heat of solution for lithium iodide.
Consider 1.20 mol of carbon monoxide and 4.00 mol of chlorine sealed in a 5.00 L container at 476oC. The equilibrium constant, Kc, is 2.50 (in M-1) for
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