(a) Draw out the following planes within a cubic unit cell given the xyz axes and origin (black circle) below. i. (011) ii. (102) iii. (131) LO (b) Find the xyz coordinates for the head of the crystal direction vector (i.e., where it intersects the edge of the unit cell) for the [131] crystal direction. Assume the tail of the vector is the origin (as indicated in the unit cell above).
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do not answer with ai
![(a) Draw out the following planes within a cubic unit cell given the xyz axes and origin (black
circle) below.
i. (011)
ii. (102)
iii. (131)
LO
(b) Find the xyz coordinates for the head of the crystal direction vector (i.e., where it
intersects the edge of the unit cell) for the [131] crystal direction. Assume the tail of the
vector is the origin (as indicated in the unit cell above).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff46cd712-1d53-471c-8e4d-5e78c3c80932%2Fe116dfdd-04e4-4519-8059-2596e4de7d3c%2Frjuxek_processed.png&w=3840&q=75)
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- (a) Draw out the following planes within a cubic unit cell given the xyz axes and origin (black circle) below. i. (011) ii. (102) iii. (131) LO (b) Find the xyz coordinates for the head of the crystal direction vector (i.e., where it intersects the edge of the unit cell) for the [131] crystal direction. Assume the tail of the vector is the origin (as indicated in the unit cell above).(a) Cholesterol isolated from natural sources is enantiopure. The observed rotation of a 0.3-g sample of cholesterol in 15 mL of chloroform solution contained in a 10-cm polarimeter tube is −0.78°. Calculate the specific rotation of cholesterol. (b) A sample of synthetic cholesterol consisting entirely of (+)-cholesterol was mixed with some natural (−)-cholesterol. The specific rotation of the mixture was −13°. What fraction of the mixture was (+)-cholesterol?What is the free Cu2+ (ag) concentration in a solution made up by mixing 50.0 mL of 0.100M Cu(NO3)2 with 50.0 mL 1.00 M NH3 (aq)? Given: Cu2+ (ag) + 4 NH3 (aq) > < Cu(NH3)42+ (aq) K, = 1.1 x 10^13
- How many moles of EDTA (C10H16N2O3) do you have in 785µl of a 74MM EDTA solution (Mr(C10H16N203) = 292.24)? Consider all digits of your Givens significant. Round results to the appropriate number of Significant Digits. The number of moles is mmol.Determine the indices for the directions shown in the following cubic unit cell: A B D +y +x -/26 Concanavalin (ConA) is a 25.5KDa protein with pI of 4.7 and optical absorbance (A 0.1% 289) of 1.14. calculate the concentration of an aqueous solution of pure BSA protein with an absorbance of 0.66 at 280nm. give your answer in units of mg/ml ?
- Concanavalin (ConA) is a 25.5KDa protein with pl of 4.7 and optical absorbance (A 0.1% 289) of 1.14. calculate the concentration of an aqueous solution of pure BSA protein with an absorbance of 0.66 at 280nm. give your answer in units of mg/ml ?Specific rotation of L-alanine [(+)alanine) in water (at 25 °C) is +2.8. Suppose you have 2.00 g of mixture of L and D-alanine [(-)alanine]. You dissolved it in 10 mL of water, and measured rotation in 10 cm cell. The observed rotation was +0.12. Calculate the ee% for the mixture. How many grams of D- and L-alanine do you have in the sample?The main constituents in vinegar are water and ethanoic acid (CH3COOH). In order to determine the concentration of acid in homemade vinegar, a student titrated 25 cm3 of 001 M NaOH against the vinegar. The equation for the reaction is: CH3COOH(aq) + NaOH(aq) ® CH3COONa(aq) + H2O(l) The following titration results were obtained: Burette readings (cm3) Rough 1 2 Final burette reading 20.10 38.90 31.40 Initial burette reading 0.10 20.00 12.50 Volume of vinegar used 20.00 18.90 18.90 (a) What volume of vinegar should be used in the calculation? (b) What is the mole ratio of NaOH:CH3COOH? (c) Calculate the number of moles of alkali in 25 cm3 of NaOH solution used. (d) How many moles of acid were used in the titration? (e) Calculate the…
- Consider these compounds: A. PbBr, B. MnS C. Ag,CO3 D. AIPO, Complete the following statements by entering the letter(s) corresponding to the correct compound(s). (If more than one compound fits the description, include all the relevant compounds by writing your answer as a string of characters without punctuation, e.g, ABC.) Without doing any calculations it is possible to determine that magnesium fluoride is more soluble than and magnesium fluoride is less soluble than| It is not possible to determine whether magnesium fluoride is more or less soluble than by simply comparing Kgp values.NoneThe ionization of p-nitrophenol is shown below (pKa = 7.0): a. Identify the weak acid and conjugate base. b. At pH 7, what are the relative concentrations of ionized and un-ionized p-nitrophenol? c. If enough concentrated hydrochloric acid is added to a solution of p-nitrophenol to lower the pH from 7 to 5, what will happen to the relative concentrations of the ionized and un-ionized forms? d. Ionized p-nitrophenol has a yellow color, while the un-ionized form is colorless. The yellow color can be measured using a spectrophotometer at 400nm. In order to determine the total amount of p-nitrophenol in a solution, would you perform the spectrophotometer reading at an acidic or basic pH? Clearly explain why? e. A solution of p-nitrophenol at pH 7.95 was found to have an A400 of 0.255 . What is the total concentration (in µM) of p-nitrophenol (ionized plus un-ionized) in the solution? The molar extinction coefficient of p-nitrophenol is 18,500 M-1cm-1 and the pKa is 7.