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Diagnostic reactions are those used in medicine to figure out what may be causing a problem. Can you go into detail concerning one such test you or someone you know has undergone? Share one balanced
What did you observe in the reactions of zinc with 4 different acids: HCL, H2SO4, H3PO4, and CH3COOH
Describe the structural and functional effects of your experiment on cellular structures such lysosomes. Why are these effects predicted by the second law of thermodynamics
dissolved in enough water to make 250.0 mL of solution. Write the hydrolyis reaction for the ion that controls the pH, and calculate the pH
What is the hydroniem ion concentration in a solution resulting from mixing 193mL of .100M HCN and 22mL of .100M KOH at 25C? Ka for HCN=4.9x10-10
Write a balanced equation including states of matter for the reaction of Zn(H2O)4 in aqueous NaCN.
Calculate the partial pressure of each, the total pressure and the composition of the liquid solution.
A solution was prepared by dissolving 10.12g of KCl.MgCl2 (277.85g/mol) in a sufficient water to give 2L. Calculate a.) the molar analytical concentration KCl. MgCl2 in this solution
What organelles would you expect to find in exaggerated quantities in pancreaticacinar cells? What role does each of the organelles serve?
How many grams of sodium lactate should be added to 1.00 L of 0.150 M lactic acid to form a buffer solution with pH= 4.00? Assume that no volume change occurs when the sodium lactate is added.
Titration of the I2 produced from .1045g of primary standard KIO3 required 30.72ml of sodium thiosulfate, Calculate the concentration of the Na2S2O3
Galactosemia is a recessive human disease. Susan and her husbandare both heterozygous for the gene. If the couple has four childrenwith the disease
The solution was boiled to remove CO2, following which the excess HClO4 was back-titrated with 10.12ml of dilute NaOH. In a separate experiment, it was established that 27.43 ml of HClO4 neutralized
A sodium hydroxide solution is prepared by dissolving 4.0 g NaOH in 1.00 L of solution. What is the molar concentration of OH- in this solution? What are the pOH and the pH of the solution?
Suppose a gene A is on the X chromosome, and genes B, C, and D areon three different autosomes. Thus, A- signifies the dominantphenotype in the male or female, What is the probability of obtaining a
A solution of HClO4 was standardized by dissolving .4125g of primary-standard-grade HgO in a solution of KBr. The liberated OH consumed 46.51mL of the acid. Calculate the molarity of the HClO4.
Consider the following reaction at constant P. Use the information here to determine the value of ?Ssurr at 355 K. Predict whether or not this reaction will be spontaneous at this temperature.
What is the molar solubility of magnesium carbonate ( MgCO3 ) in water? The solubility-product constant for MgCO3 is 3.5 × 10-8 at 25°C.
What is it called when someone is specifically allergic to cheese? I.e what is the term used to describe someone who is allergic to cheese
Suppose the fundamental anisotropy of DENS is 0.30 and that DENSis bound to a protein with a rotational correlation time of 30ns. What is the anisotropy
A second 50ml aliquot was brought to a pH of 10 with an HCN/NaCN buffer, which also served to mask Cd2+; 11.56 ml of EDTA solution were needed to titrate the Pb2+. Calculate the percentage of Pb and
The Tl in a 9.76 g sample of rodenticide was oxidized to the trivalent state and treated with an unmeasured excess of Mg/EDTA solution. The reaction is Tl3+ +MgY2-> TlY- + Mg2+
The de Broglie wavelentgh of an electron is 8.7 x 10^-11m. The mass of this electron is 9.1 x 10^31 kg. What is the velociy in m/s of this electron (h = 6.63 x 10^-34 J-s)
The excess reagent required 4.30mL back-titration with .00812M Cu2+. Calculate the average weight of Cr on each square centimeter of surface.
Although the use of absorbances at 450 nm provided you with maximum sensitivity, the absorbaces at, say, 400 nm or 500 nm are not zero and could have been used throughout this experiment. would the