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Below is the 1H NMR spectrum of the following triazine structure. In the expansions of the spectrum, place the observed multiplicity in the bin above the resonance. In the full spectrum, assign the correct number label for each resonance, including the resonances at 7.26 and 1.6 ppm.
what are some difference or similarity in the type of inhibition caused by heat, acid or base and heavy metal ions on enzyme activity.
Solving this question helps the student to understand what is happening in a chemical reaction and to balance the given equation.
Calculate the molarity of a solution made by adding 23.9 mL of concentrated potassium hydroxide (34.5 % by mass, density 1.46 g/mL) to some water in a volumetric flask
What holds solids or liquids and carries out reactions? what is used to mix or combine two or more substances? what it used to support an iron ring or clamp?
given a list of the natural sciences, including mathematics, physics, chemistry, nbiochemistry, biology, ecology, where does one science end and another one begin?
A sample of cerium-141 for a diagnostic test was dissolved in saline solution to an activity of 4.5 millicuries/mL. If the patient undergoing the test needs a dose of 10 millicuries
Enzymatic oxidation of naphthalene by bacteria proceeds of intermediate cis-diol. which prochiral face of naphthalene is hydroxylated in this process?
an energy of 353 kJ/mol is required to cause a Mg atom on a metal surface to lose an electron. calculate the loses frequency of that can ionize a Mg atom.
Assume that algae need carbon, nitrogen and phosphorus in the atomic ratio 106:16:1. What is the limiting nutrient in the lake that contains the following concentrations: total carbon = 20 mg/L, total N = 0.80 mg/L and total P = 0.16 mg/L.
Enough of a monoprotic acid is dissolved in water to produce a 1.59 M solution. The pH of the resulting solution is 2.88. Calculate the Ka for the acid. Ka=?
What is the theoretical yield of bromobenzene in this reaction when 30.0 g of benzene reacts with 65.0 g of bromine?
What are the relative populations of these levels at the boiling if the degeneracy level is 2j+ 1? Is the ground state most highly populated level?
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