Answered: explain in short terms the following…

Science

Chemistry

explain in short terms the following vocab: exact mass, elemental analysis, mass spectrometry and their applications

Organic Chemistry

8th Edition

ISBN:9781305580350

Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Chapter14: Mass Spectrometry

Section: Chapter Questions

Problem 14.38P

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*(iii) The reaction of ethene with aqueous potassium manganate(VII), KMNO., produces ethane-1,2-diol, CH,OHCH,OH. Data: molar mass of ethane-1,2-diol = 62 g mol In an experiment, KMNO, containing only "O reacts with ethene. Suggest how the mass spectrum of ethane-1,2-diol data could be used to decide whether the oxygen atoms in ethane-1,2-diol came from the manganate(VII) ion, water, or a combination of the two. (2)
Potentially Useful Information Spectrochemical Series: I < Br < SCN < Cl` < NO3¯ < F° < OH° < C2O4² ~ H2O < NCS“ < NH3 < en < PPH3 A student has three test tubes containing a metal (M) nitrate solution M(NO3)2 (aq) (where "M" represents a generic transition metal). The student adds aqueous ammonia (NH3) to one test tube, aqueous hydrochloric acid (HCI) to the second tube, and nothing more to the third tube, but forgets to label the tubes. After this, one test tube contains a red solution, one an orange solution, and one a yellow solution. Note: This metal, M, would follow the same rules that we used for Cu(II), Ni(II), and Co(II). The Jahn-Teller Effect does not apply. Complete each statement or answer each question below about the solutions in the three test tubes. The coordination complex formed by adding HCI to the metal solution has a coordination number of... O 3 2
Potentially Useful Information Spectrochemical Series: | < Br < SCN¯ < Cl° < NO3¯ < F° < OH° < C2O4²¯ ~ H2O < NCS° < NH3 < en < PPH3 く A student has three test tubes containing a metal (M) nitrate solution M(NO3)2 (aq) (where "M" represents a generic transition metal). The student adds aqueous ammonia (NH3) to one test tube, aqueous hydrochloric acid (HCI) to the second tube, and nothing more to the third tube, but forgets to label the tubes. After this, one test tube contains a red solution, one an orange solution, and one a yellow solution. Note: This metal, M, would follow the same rules that we used for Cu(II), Ni(II), and Co(II). The Jahn-Teller Effect does not apply. Complete each statement or answer each question below about the solutions in the three test tubes. The aqua complex causes less splitting of the d orbitals of the metal than the... ammonia complex. O chloro complex.
Potentially Useful Information Spectrochemical Series: I < Br < SCN° < Cl° < NO3¯ < F < OH° < C2O4²-~ H2O < NCS < NH3 < en < PPH3 A student has three test tubes containing a metal (M) nitrate solution M(NO3)2 (aq) (where "M" represents a generic transition metal). The student adds aqueous ammonia (NH3) to one test tube, aqueous hydrochloric acid (HCI) to the second tube, and nothing more to the third tube, but forgets to label the tubes. After this, one test tube contains a red solution, one an orange solution, and one a yellow solution. Note: This metal, M, would follow the same rules that we used for Cu(II), Ni(II), and Co(II). The Jahn-Teller Effect does not apply. Complete each statement or answer each question below about the solutions in the three test tubes. The coordination complex causing the orange solution causes a larger splitting between the d orbitals of the metal then the coordination complex causing the... O red solution. O yellow solution. What color light does the…
2.) Five standardized dilutions of aqueous lead(11) chromate solution were prepared by adding a volume of 0.0010 M PbCrO4(ag) from a buret and then diluting the solution with deionized water to a total volume of 100.0 mL. Use the provided information to determine [CrO42] in each. Hint: enter the decimal before the scientific notation. Mixture Initial Buret Reading (mL) Final Buret Reading (mL) [Cro,?] (M) 3 2.00 7.10 ? x 105
A student had a sample of CaCl2 • nH2O. He heated the sample until the mass did not change. From this data, calculate (a). the percentage of CaCl2 in the original sample and (b). the formula of the hydrate Mass of crucible + cover = 28.39 gMass of crucible + cover + sample = 30.41 gMass of crucible + cover + residue = 29.75
2. The solubility of aspirin in water is 1 g per 300 mL at 25 °C. Assuming that your crystallization and washing with water were done at this temperature, what weight of aspirin did you lose in the filtrate and washings? How much was your percent yield lowered by this loss?
The formula of the hydrate of magnesium sulfate was determined (M9SO4.XH20) and the following data was obtained. Mass of crucible + lid + unknown 6.0236 g Mass of crucible + lid 4.0002 g Mass of unknown hydrate Mass of crucible + lid + residue: after 1 st heating 5.0842 g after 2 nd heating 5.0426g after 3 rdheating 5.0339g Mass of water lost Mass of anhydrous salt Percent Water in unknown hydrate Moles of water in hydrate sample Moles of anhydrous salt in hydrate sample Calculated Mole ratio(H2O: salt)_ Complete formula of the hydrate
okmarks People Tab Window Help OWLV2 | Online teaching and Ix t.cengagenow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator=Dassignment-take&takeAssignmentSess [Reforonces] Copper metal reacts with nitric acid. Assume that the reaction is 3Cu(s) + 8HNO3(aq)3Cu(NO3)2 (aq) + 2NO(g) + 4H2O(1) If 5.17 g Cu(NO3)2 is èventually obtained, how many grams of nitrogen monoxide, NO, would have formed? ot Submlt Answer Try AnotherVerelon 6 item attempts remaining pt pt pt I pt 1 pt 1 pt 1 pt 1 pt 1 pt 1 pt 1 pt ent MAR 15
0.25 g of a sample of coal was analysed by combustion method. The increase in weights of CaCl₂ tube and the potash bulbs at the end of the operation was found to be 0.15 g and 0.55 g, respectively. Calculate the percentage of carbon and hydrogen in the coal.
2.) Five standardized dilutions of aqueous lead(II) chromate solution were prepared by adding a volume of 0.0010 M PbCrOa(ag) from a buret and then diluting the solution with deionized water to a total volume of 100.0 mL. Use the provided information to determine [CrO42] in each. Hint: enter the decimal before the scientific notation. Mixture Initial Buret Reading (mL) Final Buret Reading (mL) [CrO4?] (M) 5 16.83 42.60 ? x 104
2- 3c₂²- 1 resources Write a balanced chemical equation based on the following description: aqueous iridium(III) bromide reacts with aqueous silver acetate to produce solid silver bromide and aqueous iridium(III) acetate IrBr3(aq) + AgC₂H3O₂(aq) 3 2 $ 4 " 3 1 Ir Reset 4 5 = (1) % AABAA 5 Br Question 5 of 6 LO 6 " Ag & (g) Ox 8 7 个 ( 9 8 (aq) Si x H₂O 0 O a 91% Submit delete