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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.
If 28mL of 7.0M Sulphuric acid(H2SO4) was spilled, then determine what is the minimum mass of NaHCO3 (Sodium bicarbonate or sodium hydrogen carbonate)
What is the pH of a 1.3 * 10^-7 M solution of benzoic acid at 25C. pKa of benzoic acid is 4.19 at 25C. (Might have to take into account the autoionization of water).
Calculate the heat capacity of the bomb (Cbomb) given that under constant volume conditions the specific heat of combustion of benzoic acid is 26,434 J.g?1.
How many grams of LiCO3 do you need to weigh out to dissolve in the 5.0 liters? If you had started with a 5000. ppm solution of Li2CO3 solution, how many mL of it would you need to pipet into the 5.0 liter to achieve the same 425 ppb Li 1 solution..
how does structure help predict and affect the Rf of each compound based on intermolecular forces
Initially a mixture contains 0.601 mol each of N2 and O2 in an 7.65-L vessel. Find the composition of the mixture when equilibrium is reached at 3900°C. For the reaction below, the Kc = 0.0123 at 3900°C. N2(g) + O2(g) 2 NO(g)
Lauryl alcohol, C12H25OH, is prepared from coconut oil; it is used to make sodium lauryl sulfate, a synthetic detergent. What is the molality of lauryl alcohol in a solution
For the chemical equations shown below, label each reactant as either acid or base, and each product as either conjugate acid or conjugate base according to the Brønsted-Lowry definition.
Descibe at least four possible factors which may influence the amount of light absorbed by a solution and how these factors may affect the absorption
How many peaks would you expect to see in the decoupled 13C spectrum of 4-chlorohept-1,6-diene?
At beginning of the work up stage of the lab procedure, the two phase reaction mixture probably contains the following:
Calculate the change in pH when 3.00 mL of 0.100 M HCL(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3 (aq) and 0.100 M in NH4Cl (aq).
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