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Calculate the freezing point of a solution of 1.30 g of naphthalene (C10H8) in 15.75 g of benzene.
The freezing point of pure benzene is 5.5°C.
Kf = 5.12°C kg/mol.
Determine the number and symmetry of the vibrational modes in the molecule (trans-1,2-dichloroethylene). how many resonances would you expect to see in the IR spectrum
Complete combustion of a 0.360g sample of glucose produced 0.528g carbon dioxide and 0.216g of water. Find the empirical formula for glucose.
What is the the mole fraction of a solution prepared by dissolving 0.315 g of cholesterol
Sketch the energy band diagram of the MOS structure at positions A, B, C. D, and E on the C-V curve. (f) At location B on the C- V curve. what is the band bending. φs?
Calculate the absolute entropy of Cl2(g) at 298k...include the limits of integration. entropy for Cl2= 222.96j/mol.
Barbital, Ka=1 X 10-8, a weekly acidic sleeping pill is titrated against 0.200 M KOH solution. Explain what is the pH after 10.0mL of KOH has been added to 200.0mL of 0.017 M of Barbital
An enzyme has a Km of 8 µM in the absence of a competitive inhibitor and a Kmapp of 12 µM in the presence of 3 µM of the inhibitor. Calculate KI.
What kinds of reactions take place in a basic solvent?
Initial metabolic experiments are generally carried out in unfractionated cell-free homogenates. However, localising a metabolic pathway within a specific cell compartment requires fractionating the homogenate to separate the intracellular organelles..
the pH of solution B is 9.2, then solution B has how many fold more or less H+ ions than does solution A?
a 9.780 g. gaseous mixture contains ethane c2h6 and propane c3h8. complete combustion to form carbon dioxide and water
Calculate the turnover number (k3 or k cat) for bovine catalase. Assume that a 1 x10 ^-8 M solution of catalase causes the breakdown of 0.4 M hydrogen peroxide per second at the fastest
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