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Did blood pressure and pulse rate change when you changed your body positions (Supine (lying down), Sitting , Standing)?
Give appropriate physiological explanations accounting for these effects.
The solubility of benzoic acid at 0oC is 1.7g/L and at 90oC is 45.5g/L. How much water do you need to dissolve 0.455 g of benzoic acid at 90oC. How much of the original benzoic acid will remain in the solution once the temperature is reduced to 0o..
A solution contains 9.87 (g) of dissolved silver. How many moles of potassium chloride must be added to the solution to completely precipitate all of the silver?
What happened to the phenolphthalein indicator during the production of gas. Explain 2. What products may have formed during the combustian of the gas. Support your answers with experimental evidence
Net Ionic Reaction Problems with coordination complexes. State the balanced net ionic equation for the rxn of CoCl2*6H20 + NH4Cl when H2O2 is added to it.
Determine the electron affinity of hydrogen; that is, Delta H for the process H(g) + e- = H-(g). To do so, the bond energy of H2(g)
List in chronological order, a major contribution of each of these scientists to the understanding of the atom: Dalton, Thompson, Bohr, Schrodinger, Rutherford.
if a raindrop weighs 65 mg on average and 5.1x10^5 raindrops fall on a lawn every minute what mass in kg of rain falls in 1.5 hours
2-Ethoxy-2,3-dimethylbutane reacts with concentrated aqueous HI to form two initial organic products (A and B). Further reaction with HI produces organic product C from product B. Draw the structures of these three products.
A 2.95 -g sample of an unknown chlorofluorocarbon is decomposed and produces 585ml of chlorine gas at a pressure of 748 mmHg and a temperature of 298K.
Calculate the potential of the cell. Indicate whether the reaction will proceed spontaneously in the direction considered (oxidation on the left, reduction on the right) or an external voltage source is needed to force this reaction to occur
How does a solution of two volatile components with strong solute-solvent attractions deviate from Raoult's law?
Given a 0.010 M solution of a diprotic acid H2A with Ka1 = 2.9 x 10-5 and Ka2 = 5.3 x 10-6. The species present in the lowest concentration is
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