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The base peak in the mass spectrum for this compound indicated the compound lost a fragment that has an m/z=17. This fragmentation corresponds to the loss of a(n) _______ group.
a. hydroxylb. carbonylc. methyld. ethyl
Determine the room temperature heat capacities at constant pressure for the following materials: aluminum, silver, tungston and 70Cu-30Zn brass
When 0.490 kJ of heat is added to the gas, it expands and does 211 J of work on the surroundings. What is the value of delta H and delta E for this process?
starting with 1.342 g Zn and excess HCL, the volume of H2 gas collected was 472 mL. the atmospheric pressure was 754 mmHg and the temperature was 21 degrees C. write a balanced equation and calculate the moles of h2 produced by the reaction.
Classify each of the following aqueous solutions as a nonelectrolyte, weak electrolyte, or strong electrolyte.a)LiClO4 b)HClO c)CH3CH2CH2OH d)HClO3 e)CuSO4 f)C12H22O11
A sculptor has prepared a mold for casting a bronze figure. The figure has a volume of 225 mL. If bronze has a density of 7.8 g/mL
A bottle is labeled only "Compound B (C6H12)" and contains a colorless liquid. You have been called in as an expert to identify this compound from its spectra
Suppose 0.0864 mol of Br_2_ is placed in a 1.44 L flask and heated to constant temperature at which the halogen partially dissociates to atoms
Suppose that 266 mL of argon is collected over water at 25 ? C and 786 torr. Compute the volume of the dry argon at STP. The water partial pressure at 25 ? C is 23.8 torr. Answer in units of mL.
A 1.5618-g sample containing sulfate ion was treated with barium chloride reagent, and 0.2321 g of barium sulfate was isolated. Calculate the percentage of sulfate ion in the sample.
A 24.0 mL soluton of 0.105 M CH3COOH is titrated with a 0.210 M KOH solution. Calculate the pH after the following additions of the KOH solution:
What is the total pressure of a gaseous mixyure that contains 3 gases with a partial pressure of 1.2atm oxygen, 0.35 atm carbon dioxide
Benozoic Acid has a Ka = 6.3*10^-5. A 35.0mL sample of 0.130 M Benzoic Acid is titrated with 0.150M NaOH solution. Find the pH after 0.0mL NaOH is added.
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