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How are the neutral particles removed from the Mass Spectrometer? What is the reason for removing neutral particles from the Mass Spectrometer?
In a first order decomposition in which the rate constant is 0.201 sec-1, how long will it take (in seconds) until 0.131 mol/L of the compound is left, if there was 0.566 mol/L at the start
Determine the following characteristics of the titration curve for 25.0 mL of 0.400 M NH3(aq) titrated with 0.335 M HI(aq). (For NH3, Kb = 1.8x10-5.)
Identify the conjugate base of CH3COOH in the following reaction
if 10.0 ml of .985 m naoh adds to 25.0 ml of .990 m hy unknownacid the ph solution is 4.51. the concentration of hx and
Aluminum readily displaces hydrogen in sulfuric acid according the following balanced reaction: 2Al(s) + 3H2SO4(aq) = Al2(SO4)3(aq) + 3H2(g). How many grams of H2SO4 are required to completely consume 200.0 grams of Al
Find the pH of a 0.130 M solution of a weak monoprotic acid with a Ka value of 1.6 *10(to the power of -6)
insulin is a protein that is used by the body to regulate both carbohydrate and fat metabolism. A bottle contains 475 of insulin at a concentration of 30.0 . What is the total mass of insulin in the bottle?
Which of the following correctly shows intrachain hydrogen bonding in an alpha-helix. A. -NH HN- B. -C=O HC- C. -C=O HN- D. -C=O C- E. -CH HC-
Predict all possible products formed via free radical monochlorination of 3-methylpentane. Calculate the relative product ratios.
Calculate the pH of the 0.39M NH3/ 0.73M NH4CL buffer system . B) what is the pH after the addition of 20.0 mL of 0.075M NaOH
what is the relative concentrations of hlnyellow and ln-blue for bromophnol blue ka1.0x10-4 at ph of
Calculate the pH during the titration of 10.00 mL of 0.400 M hypochlorous acid with 0.500 M NaOH. First what is the initial pH (before any NaOH is added)? The Ka for HOCl is 3.0 x 10-8 M.
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