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The label on a one-pint bottle of water lists the following components. If the density is the same as pure water and you drink 4 bottles of water in one day, how many milligrams of each component will you obtain? fluoride 0.09
when some large nuclear plants run at full capacity they produce about 1900 mw of electrical power. at this rate what
What is the molecular geometry around a central atom that is sp3 hybridized and has one lone electron-pair? a.bent, b. linear, c.trigonal-planar
Conjugation of the functional group in alkyl socyanates has little impact on the antisymmetric -N=O stretching vibration located near 2770/cm . Explain.
Assuming a tank temperature of 16oC, what mass of oxygen is contained in the two tanks?
At 55.0 degrees C, what is the vapor pressure of a solution prepared by dissolving 75.8 g of LiF in 259 g of water? The vapor pressure of water at 55.0 degrees C is 118 mmHg. Assume complete dissociation of the solute.
Using the rydeberg equation calculate the energy of the transition from lowest state, n=1, to the highest, n= infinity, for hydrogen atom.
The concentration of alkaline phosphate in the stock solution used in the experiment was .25mg protein/mL. Calculate the activity of the enzyme at Vmax as umole substrate hydrolyzed per minute per mg of enzyme protein.
ethanol or t-butyl alcohol were used instead of iospropyl alcohol in the attempted photochemical dimerization of benzophenone
The % ionization of a weak acid always declines in a solution that contains the salt of the anion relative to a solution of the acid alone. For example the % dissociation of the acetic acid is less in a solution that contains sodium acetate than i..
determination of the molar mass via frezzing -point depression could determine the identity. What other tests could have been performed on the unknown solute to determine identity?
At 25°C, 1.0 g of caffeine is dissolve into 47 ml of water, 18 ml of dichloromethane, into 86 ml of benzene, or into 270 ml of diethyl ether. Which solvent would provide the largest extraction coefficient (KD). Briefly explain.
Determine the oxidation state for the following element in the compounds indicated;sulfur in H2SO4,nitrogen in NO2
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