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A 52 year old woman presented to the clinic for ongoing fatigue and weight loss during the last 6 weeks. She thinks she's loss at least "10 pounds". For the past week and a half she's noted some progressing 'muscle cramping' tetany, as well as 'tingling' sensation around her mouth and lower extremities. She's also noted some intermittent colicky abdominal pain. On your exam, you noted a positive Chvostek's sign. PMH: 20 year history of Crohn's disease. She also tells you that she is a practicing vegan.
How many molecules of H2 are contained in 22.4 liters at 0 degrees Celsius and a pressure of 1.00 x 10^-3 atm
A sample of copper sulfate pentahydrate, CuSO4 . 5H2O, contains 3.782 g of Cu. How many grams of oxygen are in this same sample
A 25 g sample of water revealed a mass percent for lead of 2.64%. Calculate the number of grams in lead
you will need to construct a calorimeter to complete this project. what are the necessary features of a calorimeters. please answers have to be related to chemistry and specifically to this experiment.
Question- Propose a reasonable reaction mechanism for the sodium hypochlorite oxidation of 3-heptanol. Give the IUPAC name of the expected product. What other oxidizing agents may be used to carry out this oxidation?
What is meant by the term elementary reaction? What is the difference between a unimolecular and a bimolecular elementary reaction? What is a reaction mechanism?
Acetylene gas (C2H2) is produced as a result of the following reaction. CaC2(s)+2H2O(l) = C2H2(g)+Ca(OH)2(aq) . If 32.0 g of CaC2 are consumed in this reaction, how many moles of H2O are needed?
When solutions of silver nitrate and calcium chloride are mixed, silver chloride precipitates out of solution according to the equation 2AgNO3(aq) + CaCl2(aq) ---- 2AgCl(s) + Ca(NO3)2(aq)
In heating an organic compound strongly with metallic sodium, one frequently observes the formation of a blck material, which is insoluble in water
Balance the following chemical reaction using the lowest integer coefficients, in acidic conditions I?(aq) + BrO3?(aq) ? HIO(aq) + Br?(aq)
A sample of hydrated Barium Chloride, BCl2 x H2O weighed 428.3mg before and 356.2mg after heating as BaCl2. What is the average number of water of hydration per molecules of BaCl2?(what is the X in BaCl2 X H20?
Problem- Consider the following reaction at constant pressure, P Use the information to determine the value of Ssurr at 398 K. Predict if the is reaction would be spontaneous at this temperature
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