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Considering the following two nuclear processes which produce isotopes useful for medical imaging.
i) Isotope A +1 p ---- 15 O + 1 n
18 0
ii) Isotope B + 1 n ---- Isotope C ---- 99 Mo + 133Sn + 4 1 n
042 50 0
Find the mass number and the atomic number for the unknown isotopes A B and C and identify them. Explain how you arrived at your answer.
Part A What is the reaction that corresponds to the first ionization energy of rubidium, Rb ? Part B What is the reaction that corresponds to the electron affinity of iodine, I
When the reaction is conducted in this way, however, a polymeric product is produced after step 1. What is the structure of the polymer? Why does p-acetamidobenzenesulfonyl chloride not produce a polymer
Assuming that the smallest measurable wavelength in an experiment is 0.670 fm (femtometers), what is the maximum mass of an object traveling at 605 m·s-1 for which the de Broglie wavelength is observable
What is the hybridization or what atomic orbitals are used by nitrogen in ammonia?
We did an experiment to isolate acetysalicylic acid from aspirin using methanol; our percent recovery was 17%. What would be several reasons that we got less than 100% recovered
Give the voltaic cell shorthand description for this reaction as a voltaic cell.Write anode and cathode under the correct portions of the shorthand description. Show the two half reactions and identify the correct reaction as oxidation or reductio..
Arrange the following sets of compounds in order of increasing heats of vaporization. explain your choices CH3F, HF, and Ne H2S, SiH4, and H202
The ionization energy of hydrogen is reported to be 1.31x10^6 J mol^-1 of H. (1) compute the ionization energy for a single atom of hydrogen.
Coca-Cola used to contain 0.060% phosohoric acid by mass. Determine the pH of Coca-Coal prior to carbonation.
The compound AX2 decomposes according to the equation, 2 AX2(g) => 2 AX(g) + X2(g). In one experiment, [AX2] was measured at various times, and these data recorded
In a given diffusion apparatus, 15.0ml of HBr gas diffused in 1.0min . In the same apparatus and under the same conditions, 20.3 mL of an unknown gas diffused in 1.0 min. The unknown gas is a hydrocarbon.
the normal boiling point for acetone is 56.5degc. at an elevation of 5300 ft the atmospheric pressure is 630. torr.what
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