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The atomic mass of Gallium is 69.72 amu which has two isotopes, Ga-69 (atomic mass= 68.92 amu) and Ga-71(atomic mass= 70.92 amu). What's the precent abundance of Ga-71 Isotope?
The DNA sequence below is from the interior of the coding strand sequence for West Nile Virus RNA polymerase.
Calculate Eo, E, and deltaG for the following cell reactions Mg (s) + Sn2+ (aq) Mg2+(aq) + Sn(s) [Mg2+]= 0.045 M, [Sn2+] = 0.035 M
Quinine emits fluorescence at the wavelength of 347 nm. An unknown quinine solution gave fluorescence reading of 400 (after background subtraction) at the 347nm.
A student carried out the synthesis of aspirin starting with 3.48g of salicylic acid. After carrying out the reaction, recrystallizing and then drying the product, the student obtained 3.30g of aspirin. Calculate the student's percent yield.
Write a structural and a line-angle formula of propene (C3H6). Write the IUPAC name. On the structure, specify a shape of each carbon
Which too factors determine whether a collision between two reactant molecules will result in a reaction. select all that apply.
DNA double helix has the sequence GATCGATTAC, what is the sequence of the other DNA strand?
Draw the molecule by placing atoms on the grid and connecting them with bonds
A certain molecule fluoresces at a wavelength of 400 nm with a half-life of 1.0 ns. It phosphoresces at 500 nm. If the ratio of the transition probabilities for stimulated emission for the S
Write the half-reaction that occurs at a hydrogen electrode in acidic aqueous solution when it serves as the anode of a voltaic cell?
What is the molecular formula of each compound. (Type your answer using the format C6H12O6 for C6H12O6 and use the same order of the elements as in the empirical formulas.
The intiala rates at various substrate concentrations for an enzyme-catalyzed reaction are as follows.
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