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Explain what is the relationship between polarity of a drug and toxicity and why is this case? In other words, are non-polar or polar molecules more toxic to the human body, and why.
identify any intermediatesin the mechanism. write the rate law for each elementary reactionin the mechanism. D) if the first step is slow and the second one is fast
Beginning with the absorbance of your unknown brass sample show computation for a) Cu+(2) (aq) concentration; b) mass of Cu in brass; c) percent Cu in brass, d) the average percent Cu in brass.
why is the vertical movement of air critical to the formation of clouds and precipitation? how is this vertical
Titration of an oxalate sample gave the following percentages of percent oxalate: 12.28%, 12.54%, and 12.24%. Calculate the average and the standard deviation.
the solubility of the ionic compound m2x3 having a molar mass of 238 gmol is 2.89 10-7 gl. calculate the ksp of the
explain how the structural composition of an atp molecule makes this molecule important as the energy currency of the
Which of the following statements about free radicals is true? Free radicals are considered good because they are good oxidizing agents.
A protein biochemist attempted to determine the amino acid sequence of a decapeptide. Use the results fromt he trypsinm chymotrypsin, and cyanogen bromide treatments to suggest the amino acid sequence.
Using Hess's Law and the enthalpies of fusion and vaporization of WATER calculate the theoretical value of the heat of sublimation of WATER.
Derive the activation energy for a reaction that proceeds 2 times faster when the temperature is raised from 20 C to 30 C.
This given reaction: 2 O3(g) -→ 3 O2(g) has an empirically determined rate law (with a single unimolecular event). Determine what is the observed rate If k =4.0 × 105s-1, [O2] = 0.2M and [O3] = 0.5 M?
A mixture of gases containing 0.40 mol of SO2 and 0.20 mol of O2 in a 4.0L flask reacts to form SO3. If the temperature is 25oC, what is the pressure in the flask after the reaction is complete
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