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Compute the numerical value for the equilibrium constant, Keq for the amino acid, Histidine based on the subsequent equilibriumHisH+ (aq) + OH- (aq) <=> His^0 (aq) + H20 (l)
The heat capactiy of the calorimeter is 1630 J/degrees celsius, and the inital temperature was 24.58 degrees celsius. What was the final temperature in degrees celsius?
A patient is given 5.5 x10^-2 mg of technetium-99 m, a radioactive isotope with a half-life of about 6.0 hours.How long untilth radioactive isotope decays to 6.0 x10-3 mg? (assume no excretin of the nucelotibe from the body.) Answer is in T =hours.
Explain what would be the molarity of a saturated aqueous solution of NaI prepared at 25 degrees C, pretentious that the added NaI does not add significantly to the volume of water
As the molar concentration of an acid decreases, the reaction rate with an active metal, such as magnesium, is expected to?
When 0.200g of a high-molecular-weight compound is dissolved in water to form 12.5mL of solution at 25 degrees celsius, the osmotic pressure of the solution is found to be 1.10x10^-3 atm. What is the molar mass of the compound
Identify the conjugate base of CH3COOH in the following reaction
Calculate the amount of 0.018 M KMnO4 solution required to completely oxidize 39.69 ml of .100 M FeSO4 in an acidic solution according to the following equation
A ground-state H atom absorbs a photon and makes a transition to n=4 energy level. It then emits a photon of energy 4.085 x 10^-19 Joules. What is the final energy and n value of the atom?
she particularly enjoys pickling and decides to pickle olivesover a leisurely weekend. according to the recipe she
a 0.5118 g sample of caco3 is dissolved in 6 m hcl and the resulting solution is diluted to 250.0 ml in a volumetric
reaction between copper and silver nitrate2agno3 cu 2ag cuno32beaker-66.88gcopper- 7.44gsilver nitrate- 1.60gwater
Given the following reaction, if 3.00 mol of Al are placed in a reaction vessel with 6.00 mol of CO2, how many mol of Al2O3 can theoretically be produced
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