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What size sample containing 12.0% chlorine (Cl) should be taken for analysis if the chemist wishes to obtain a precipitate of AgCl which weigh 0.500g? Ag^+ + Cl -------> AgCl(s)
At this temperature, calculate the number of moles of NO2(g) that must be added to 3.12 mol of SO2(g) in order to form 1.30 mol of SO3(g) at equilibrium.
A voltaic cell consists of Mn/Mn2+ and Cd/Cd2+ half-cells containing equal volumes of solutions with the following initial concentrations: [Mn2+] = 0.090 M; [Cd2+] = 0.073 M.
Draw an arrow pushing mechanism for the formation of the acylium ion when acetic anhydride reacts with phosphoric acid.
A sample of urea contains 1.009 g N, 0.145 g H, 0.432 g C, and 0.576 g O. What is the empirical formula of urea?
A .10M solution of the weak acid HCN has an equilibrium constant of 4.9 X 10^-10. Calculate the percent dissociation of the acid
Purine biosynthesis is allowed to take place in the presence of [N15]aspartate, and the newly synthesized GTP and ATP are isolated. What positions are labeled in the two nucleotides?
What is the silver ion concentration in a solution prepared by mixing 357 mL of 0.392 M silver nitrate with 469 mL of 0.504 M sodium phosphate?
A patient has 48 ml. of blood drawn and this volume of blood has a mass of 39.5 g. what is the specific gravity of the blood?
From there, how would I find the moles of salicylic acid in aspirin sample (mol) and the mass of salicylic acid in aspirin sample (g), which should help me calculate the percent purity of aspirin and the percent yield of aspirin in sample. Thank y..
At 0.0 degrees C, if the volume of air is 1.7 mL and the pressure of the atmosphere that day is 695 mmHg, what is the number of moles of air?
Hydrogen peroxide decomposes into water and oxygen in a first order process. At 20 degrees C, the half life for the reaction is 10.9 hours.
Look at the structures of each and rationalize the difference in Mp. Which intermolcular force dominated in this case? (2pts) a.)H-bonding b.)Dispersion c.)Dipole
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