Molecule Chair conformations and energies (kJ/mol) AE %N1 (kJ/mol) Methylcyclohexane H3C. No 1,3-diaxial interaction 2 CH3-H 1,3-diaxial interactions Eg = E, = Tert-butylcyclohexane Eax ニ Cyanocyclohexane Eax = 8.131 Eeq= Trans-1,2- CH3 dimethylcyclohexane CH3 ぎ、

Molecule Chair conformations and energies (kJ/mol) AE %N1 (kJ/mol) Methylcyclohexane H3C. No 1,3-diaxial interaction 2 CH3-H 1,3-diaxial interactions Eg = E, = Tert-butylcyclohexane Eax ニ Cyanocyclohexane Eax = 8.131 Eeq= Trans-1,2- CH3 dimethylcyclohexane CH3 ぎ、

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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You have a 11.5 mg sample of blood that contains various proteins. Hemoglobin is the only protein in the sample containing Fe. Hemoglobin contains 3.83% by mass of a compound called heme (C34H32FEN.O4, MW = 616.49 g/mol). You find that your 11.5 mg blood sample contains 10.9 micrograms of Fe. What is the mass percent of hemoglobin in your protein sample?
4Ht +2NO3+ 2e-+2NO z+ZH2O Cu +2NO2-t4Ht > cu+2NO2+ 2HZO HzO):Cucaqst ZNO3 caq) +4HgO Lagy o Cue Cags+2NO2 (ags+6H The chemical formula of "Product A" in Cuz+ cag> the net ionic equation is: c. In the space below, show the calculations that clearly identify the limiting reagent and write the formula of the limiting reagent in the blank. Note that you will need to use your balanced net ionic equation from above and the fact that you used 25.0 mL of 6.0 M HNO3 (nitric acid) and about 1.00 g of copper. Imolcu O.9 Sg Cu (. Co = 0.0149 moles cu 3.55g Cu The limiting reagent (reactant) is: July 16, 2018 page 4-6
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Consider the following reaction where an excess of water was used. AICI3(s) + 3H2O(1) → Al(OH)3(?) + 3HCI(g) Identify the physical state of Al(OH)3 and tell how you will separate it from the excess water. Select one: O A. A chemical method B. Electrolysis O C. Chromatography O D. Distillation O E. Filtration
I need help with questions 1-11? Could you briefly explain which answer you got for each question?
46 gr sodium (Na) reacts with excess HCl aqueous solution according to the reaction: 2Na (s) + 2HCI(aq) → 2NaC1 (aq) + H2 According to this; which of the followings is wrong? (Na:23 21 - g/mol, ClI:35.5 g/mol, H:1 g/mol) O A) 2 gr H2 is produced B) 58.5 gr NaCl is formed O C) To consume all sodium, 2 moles of HCl is needed. D) Na atoms ionize in HCl aqueous solution. O E) 2 moles NaCl is formed
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You have a 11.5 mg sample of blood that contains various proteins. Hemoglobin is the only protein in the sample containing Fe. Hemoglobin contains 3.83% by mass of a compound called heme (C₃₄H₃₂FeN₄O₄, MW = 616.49 g/mol). You find that your 11.5 mg blood sample contains 34.9 micrograms of Fe. What is the mass percent of hemoglobin in your protein sample? -don't prematureley round