Homework Answers
Total number of amino acids 59.
Distance between two amino acid = 0.15 nm
Sk total length = 59 × 0.15 = 8.85 nm
So the length of 59 amino acid residue alpha helix is 8.85 nm.
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This question has multiple parts. Work all the parts to get the most points. Protein X...
[References) This question has multiple parts. Work all the parts to get the most points. An...
[References) This question has multiple parts. Work all the parts to get the most points. An energy of 7.0 x 10 J/atom is required to cause a copper atom on a metal surface to lose an electron a Calculate the longest possible wavelength of light that can ionize a copper atom. Wavelength D m Submit Submit Answer Submit Answer T ry Another Version Try Another Version 9 item attempts remaining iom attempts remaining Previous Next
This question has multiple parts. Work all the parts to get the most points How many...
This question has multiple parts. Work all the parts to get the most points How many molecules are in each of the following? a 3.5 mol of TNT, C7H3N306 molecules (b one drop (0.0500 g) of water molecules C 3.9 x 10 g of aspirin, Cg HgO4 molecules Try Another Version 10 item attempts remaining Submit Answer Ethyl chloride is prepared by the reaction of chlorine with ethane according to the following balanced equation C2He(g)+Cl2(g) Ethane C2H5CI()+HCI(g) Ethyl chloride When...
This question has multiple parts. Work all the parts to get the most points. a Consider...
This question has multiple parts. Work all the parts to get the most points. a Consider the reaction: Ca(s) +2 H20(1) - Ca(OH)2(aq) +2H2(g) AH:º(kJ/mol -285.83 -1002.82 S°(J/K) mol 41.59 69.95 -74.5 130.7 What are the values of AH°, ASand AG° AH° kJ/mol AS° = J/K.mol AG° = kJ/mol Submit Submit Answer Try Another Version 6 item attempts remaining
(References This question has multiple parts. Work all the parts to get the most points. Calculate...
(References This question has multiple parts. Work all the parts to get the most points. Calculate the concentration in %(v/v) of the following solution. a 3.00 x 10°-mL of solution contains 45.7 ml of any soluble liquid solute. Concentration = % (v/v) b 3.0 quarts of acetic acid is put into a 8.0-gallon container, and enough water is added to fill the container Concentration= % (v/v) C A solution of acetone and water is separated by distillation. A 4.00 x...
(References) This question has multiple parts. Work all the parts to get the most points. The...
(References) This question has multiple parts. Work all the parts to get the most points. The reaction 2NO() + 2H2(g) → N (9) + 2H20(9) was studied at 904°C, and the data in the table were collected, Reaction Rate of Trial Concentration Appearance of Ne (mol/L) (mol/L-s) [NO] [H.] 1 0.420 0.122 0.136 2 0.210 0.122 0.0339 3 0.210 0.244 0.0678 4 0.106 0.488 0.0339 a which two reaction trials can be used to determine the order of the reaction...
apter Problems (Referen This question has multiple parts. Work all the parts to get the most...
apter Problems (Referen This question has multiple parts. Work all the parts to get the most points. a Calculate the number of moles in 40.3 g of MgCl2 mol b Calculate the number of moles in 136 mg of Li,. mol C Calculate the number of moles in 1.30 kg of Cr. mol Submit Answer Try Another Version 10 item attempts remaining
This question has multiple parts. Work all the parts to get the most points. How many...
This question has multiple parts. Work all the parts to get the most points. How many grams of solute are present in each of the following aqueous solutions? a 575 mL of a 2.40 M solution of nitric acid, HNO3- b 1.65 L of a 0.284 M solution of alanine, CzH7NO2. C 320 mL of a 8.7x10-3 M solution of calcium sulfate, CaSO4. Sunser Try Another Version 8 item attempts remaining
This question has multiple parts. Work all the parts to get the most points. a Which...
This question has multiple parts. Work all the parts to get the most points. a Which of the compounds K20, PH3, H2S, CH4, and CO have names that End in the suffix -ide? (Select all that apply.) Осо K20 PH HS CH4 none of them b Contain two numerical prefixes? (Select all that apply.) Осо K20 PH HS CH4 i none of them C Contain the prefix mono-? (Select all that apply.) Осо K20 PHz HS ОсH4 none of them...
This question has multiple parts. Work all the parts to get the most points. Use bond...
This question has multiple parts. Work all the parts to get the most points. Use bond energies, values of electron affinities, and the ionization energy of hydrogen (1312 kJ/mol) to estimate AH for the following reaction. Bond Energies Electron Affinities H-F (565 kJ/mol) F(9) (-328 kJ/mol) H-CI (427 kJ/mol) C1(9) (-349 kJ mol) H-I (295 kJ/mol) [(9) (-295 kJ/mol) 0-H (467 kJ/mol) OH(9) (-180. kJ/mol) a H20(g) → H*(g) + OH (9) AH = kJ 6 HC1(9) + H*(9) +...
This question has multiple parts. Work all the parts to get the most points. How would...
This question has multiple parts. Work all the parts to get the most points. How would you prepare 1.10 L of a 0.70-M solution of each of the following? a H, SO Dilute from "concentrated" (18 M ) sulfuric acid m L of concentrated H2SO4 pt 1 pt b HCl from concentrated" (12 M) reagent 1 pt Dilute mL of concentrated HCI NICI, from the salt NiCl 64,0 Dissolve g of NiCl . 61,0 in water, and add water until...
[References) This question has multiple parts. Work all the parts to get the most points. An energy of 7.0 x 10 J/atom is required to cause a copper atom on a metal surface to lose an electron a Calculate the longest possible wavelength of light that can ionize a copper atom. Wavelength D m Submit Submit Answer Submit Answer T ry Another Version Try Another Version 9 item attempts remaining iom attempts remaining Previous Next
This question has multiple parts. Work all the parts to get the most points How many molecules are in each of the following? a 3.5 mol of TNT, C7H3N306 molecules (b one drop (0.0500 g) of water molecules C 3.9 x 10 g of aspirin, Cg HgO4 molecules Try Another Version 10 item attempts remaining Submit Answer Ethyl chloride is prepared by the reaction of chlorine with ethane according to the following balanced equation C2He(g)+Cl2(g) Ethane C2H5CI()+HCI(g) Ethyl chloride When...
This question has multiple parts. Work all the parts to get the most points. a Consider the reaction: Ca(s) +2 H20(1) - Ca(OH)2(aq) +2H2(g) AH:º(kJ/mol -285.83 -1002.82 S°(J/K) mol 41.59 69.95 -74.5 130.7 What are the values of AH°, ASand AG° AH° kJ/mol AS° = J/K.mol AG° = kJ/mol Submit Submit Answer Try Another Version 6 item attempts remaining
(References This question has multiple parts. Work all the parts to get the most points. Calculate the concentration in %(v/v) of the following solution. a 3.00 x 10°-mL of solution contains 45.7 ml of any soluble liquid solute. Concentration = % (v/v) b 3.0 quarts of acetic acid is put into a 8.0-gallon container, and enough water is added to fill the container Concentration= % (v/v) C A solution of acetone and water is separated by distillation. A 4.00 x...
(References) This question has multiple parts. Work all the parts to get the most points. The reaction 2NO() + 2H2(g) → N (9) + 2H20(9) was studied at 904°C, and the data in the table were collected, Reaction Rate of Trial Concentration Appearance of Ne (mol/L) (mol/L-s) [NO] [H.] 1 0.420 0.122 0.136 2 0.210 0.122 0.0339 3 0.210 0.244 0.0678 4 0.106 0.488 0.0339 a which two reaction trials can be used to determine the order of the reaction...
apter Problems (Referen This question has multiple parts. Work all the parts to get the most points. a Calculate the number of moles in 40.3 g of MgCl2 mol b Calculate the number of moles in 136 mg of Li,. mol C Calculate the number of moles in 1.30 kg of Cr. mol Submit Answer Try Another Version 10 item attempts remaining
This question has multiple parts. Work all the parts to get the most points. How many grams of solute are present in each of the following aqueous solutions? a 575 mL of a 2.40 M solution of nitric acid, HNO3- b 1.65 L of a 0.284 M solution of alanine, CzH7NO2. C 320 mL of a 8.7x10-3 M solution of calcium sulfate, CaSO4. Sunser Try Another Version 8 item attempts remaining
This question has multiple parts. Work all the parts to get the most points. a Which of the compounds K20, PH3, H2S, CH4, and CO have names that End in the suffix -ide? (Select all that apply.) Осо K20 PH HS CH4 none of them b Contain two numerical prefixes? (Select all that apply.) Осо K20 PH HS CH4 i none of them C Contain the prefix mono-? (Select all that apply.) Осо K20 PHz HS ОсH4 none of them...
This question has multiple parts. Work all the parts to get the most points. Use bond energies, values of electron affinities, and the ionization energy of hydrogen (1312 kJ/mol) to estimate AH for the following reaction. Bond Energies Electron Affinities H-F (565 kJ/mol) F(9) (-328 kJ/mol) H-CI (427 kJ/mol) C1(9) (-349 kJ mol) H-I (295 kJ/mol) [(9) (-295 kJ/mol) 0-H (467 kJ/mol) OH(9) (-180. kJ/mol) a H20(g) → H*(g) + OH (9) AH = kJ 6 HC1(9) + H*(9) +...
This question has multiple parts. Work all the parts to get the most points. How would you prepare 1.10 L of a 0.70-M solution of each of the following? a H, SO Dilute from "concentrated" (18 M ) sulfuric acid m L of concentrated H2SO4 pt 1 pt b HCl from concentrated" (12 M) reagent 1 pt Dilute mL of concentrated HCI NICI, from the salt NiCl 64,0 Dissolve g of NiCl . 61,0 in water, and add water until...
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