Propose a plausible synthesis for the following transformation (many steps are required):

Identify the reagents that you would need to accomplish each of the following transformations. a. b. H.

5-Methylcyclopentadiene undergoes homolytic bond cleavage of a C!H bond to form a radical that exhibits five resonance structures. Determine which hydrogen is abstracted and draw all five resonance...

Calculate S for the isothermal compression of 1.75 mol of Cu(s) from 2.15 bar to 1250. bar at 298 K. = 0.492 10 4 K 1 , = 0.78 10 6 bar 1 , and the density is 8.92 g cm 3 . Repeat the calculation...

Explain why the spectator species M in Equation (25.5) is needed to make the reaction proceed.

The transition has two lines given by vÌ = 25354.8 cm 1 and vÌ = 25242.7 cm 1 . The transition has three lines given by vÌ = 32444.8 cm 1 , vÌ = 32334.0 cm 1 , and...

The disaccharide lactose can be decomposed into its constituent sugars galactose and glucose. This decomposition can be accomplished through acid-based hydrolysis, or by the enzyme lactase. Lactose...

Consider the schematic reaction a. If the reaction is one-half order with respect to [A], what is the integrated rate law expression for this reaction? b. What plot would you construct to determine...

The rigid beam is supported by the three suspender bars. Bars AB and EF are made of aluminum and bar CD is made of steel. If each bar has a cross-sectional area of 450 mm 2 , determine the maximum...

The beam is fabricated from four boards nailed together as shown. Determine the shear force each nail along the sides C and the top D must resist if the nails are uniformly spaced at s = 3 in. The...

A point on a thin plate is subjected to the two stress components. Determine the resultant state of stress represented on the element oriented as shown on the right. 60 MPa 85 MPa 45 30 85 MPa

The state of stress at a point is shown on the element. Determine (a) the principal stresses and (b) the maximum in-plane shear stress and average normal stress at the point. Specify the orientation...

Classify each of the structures as statically determinate, statically indeterminate, or unstable. If indeterminate, specify the degree of indeterminacy. The supports or connections are to be assumed...

Classify each of the following trusses as stable, unstable, statically determinate, or statically indeterminate. If indeterminate state its degree. a. b. c.

Determine the force in each member of the truss and state if the members are in tension or compression. 4 kN -3 m- 3 m- 3 m- B. 3 m 5 m 5 kN

Determine the force in members JK, JN, and CD. State if the members are in tension or compression. Identify all the zero-force members. K 20 ft DE B - 20 ft- 30 ft- - 20 ft 2 k 2k

Determine the force in members BG, HG, and BC of the truss and state if the members are in tension or compression. 4.5 m 3 m D 7 kN 6 kN 4 kN 12 m, 4 @ 3 m

Determine the forces in members KJ, CD, and CJ of the truss. State if the members are in tension or compression. 30 kN 20 kN 15 kN 15 kN 5 kN 10 kN 5 kN H. Ap 3 @1m = 3 m 6 @ 3 m = 18 m- %3D

Determine the forces in all the members of the lattice (complex) truss. State if the members are in tension or compression. K 12 ft 6 ft D A B 12 ft 6 ft 6 ft- 2k

Draw the shear and moment diagrams for each member of the frame. Assume the frame is pin connected at A, and C is a roller. 4 k/ft 15 k 4 ft 10 k 4 ft -10 ft

Draw the shear and moment diagrams for each member of the frame. Assume the frame is roller supported at A and pin supported at C. 1.5 k/ft B -10 ft- 6 ft 2 k 6 ft

Draw the influence line for (a) The vertical reaction at A, (b) The shear at B, and (c) The moment at B. Assume A is fixed. Solve this problem using the basic method of Sec. 61. A. 2 m

Draw the influence line for the force in member GD, then determine the maximum force (tension or compression) that can be developed in this member due to a uniform live load of 3 kN/m that acts on...

A fluid has a kinematic viscosity of 15.0 mm 2 /s at 100F. Determine its equivalent viscosity in SUS at that temperature.

Compute the time required to reduce the depth in the tank shown in Fig. 6.14 by 225 mm if the original depth is 1.38 m. The tank diameter is 1.25 m and the orifice diameter is 25 mm. dh

Oil with a specific gravity of 0.90 is flowing downward through the venturi meter shown in Fig. 6.33. If the manometer deflection h is 28 in, calculate the volume flow rate of oil. 4-in inside...

The venturi meter shown in Fig. 6.32 carries oil (sg = 0.90). The specific gravity of the gage fluid in the manometer is 1.40. Calculate the volume flow rate of oil. 75-mm inside diameter Flow 0.25 m...

Repeat Problem 6.49 for a DN 50 Schedule 80 pipe. Repeat Problem Compute the resulting velocity of flow if 400 L/min of fluid flows through a DN 50 Schedule 40 pipe.

Determine io in the circuit of Fig. 2.84. 222 51o 54 V(+

Given the circuit in Fig. 2.101 and that the resistance, R eq , looking into the circuit from the left is equal to 100 Ω, determine the value of R 1 . R ww R1 R,

Determine the energy loss when 1.50 ft 3 /s of water flows from a 6-in standard Schedule 40 pipe into a large reservoir.

Determine the required size of new Schedule 80 steel pipe to carry water at 160F with a maximum pressure drop of 10 psi per 1000 ft when the flow rate is 0.5 ft 3 /s.

An expanded beam of red light from a HeNe laser ( 0 = 632.8 nm) is incident on a screen containing two very narrow horizontal slits separated by 0.200 mm. A fringe pattern appears on a white screen...

Two light waves E x = E 0 cos (kz - t) and E y = -E 0 cos (kz - t) overlap in space. Show that the resultant is linear light and determine its amplitude and tilt angle .

Explain why a complete circuit is necessary for a nonzero current to exist.

The two long wires in Figure P20.1 carry parallel currents of equal magnitude I. Give the direction of the total magnetic field at points A, B, C, and D. A B D

Find the available NPSH when a pump draws water at 140F from a tank whose level is 4.8 ft below the pump inlet. The suction line losses are 2.2 lb-ft/lb and the atmospheric pressure is 14.7 psia.

(a) Write Verilog code for an 8-bit MISR that is similar to that shown in Figure 10-28.? (b) Design a self-test circuit, similar to that shown in Figure 10-25, for a 6116 static RAM. The write-data...

In non-aqueous solvents, it is possible to react HF to create H 2 F + . Which of these statements follows from this observation? (a) HF can act like a strong acid in non-aqueous solvents (b) HF can...

Convert the following perspective formulas to Fischer projections. (a) (b) (c) (d) H OH .C. CH; CH,OH

The diagram shows a pair of nutcrackers. Forces F are applied to the handles of the nutcrackers. a. The forces on the nut are bigger than F. Explain this. b. The nut does not crack. State two changes...

a. Draw dot-and-cross diagrams to show the formation of a co-ordinate bond between the following: i. Boron trifluoride, BF 3 , and ammonia, NH 3 , to form the compound F 3 BNH 3 ii. Phosphine, PH 3 ,...

The first law of thermodynamics states that the change U in the internal energy of a system is given by U = Q W, where Q is the heat and W is the work. Both Q and W can be positive or negative...

Some nickel(ii) sulfate solution was carefully placed in the bottom of a beaker of water. The beaker was then covered and left for several days. a. Describe what you would see after: (i) A few hours...

The diagram shows the positions of a ball as it rolled down a track. The ball took 0.5 s to roll from one position to the next. For example, it rolled from A to B in 0.5 s and from B to C in 0.5 s...

a. The diagram below shows the structures of three amino acids. i. Draw a diagram to show the structure of the tripeptide with the following sequence: alanineglycineserine. ii. What is the name given...

Listed below are the numbers on the jerseys of the starting lineup for the New Orleans Saints when they won their first Super Bowl football game. Does it make sense to compute the range and standard...

The following are the body temperatures (in F) of randomly selected normal, healthy adults: 98.6 98.6 98.0 98.0 99.0 98.4 98.4 98.4 98.4 98.6 Range and Standard Deviation. Exercises each provide a...

Some students investigated what size of quadrat they should use to assess the abundance of plant species in an old field ecosystem. They used quadrats of side 10, 25, 50, 75 and 100 cm and recorded...

The heights of 500 female students, half of whom are college students while the other half are second-grade students. Describing Distributions. For each distribution described in Exercises, answer...

A small company has four stockholders who vote on a new advertising campaign. The number of shares owned and the vote of each stockholder are given in the table below. Does the new campaign receive a...

A MPV has seven passenger seats one in the front, and three in each of the other two rows. a. In how many ways can all 8 seats be filled from a party of 12 people, assuming that they can all drive?...

Are the following molecules polar or non-polar? In each case give a reason for your answer. (Electronegativity values: F = 4.0, Cl = 3.0, Br = 2.8, S = 2.5, C = 2.5, H = 2.1) a. Chlorine, Cl 2 b....

If you bet $1 in Kentuckys Pick 4 lottery, you either lose $1 or gain $4999. (The winning prize is $5000, but your $1 bet is not returned, so the net gain is $4999.) The game is played by selecting a...

Heights of adult American males are normally distributed with a mean of 69.0 inches and a standard deviation of 2.8 inches. The U.S. Marine Corps requires that males have heights between 64 inches...

A car driver is travelling at speed v on a straight road. He comes over the top of a hill to find a fallen tree on the road ahead. He immediately brakes hard but travels a distance of 60 m at speed v...

A 120 kg crate is dragged along the horizontal ground by a 200 N force acting at an angle of 30 to the horizontal, as shown. The crate moves along the surface with a constant velocity of 0.5 m s 1 ....

Does It Make Sense? For Exercises, determine whether the statement makes sense (or is clearly true) or does not make sense (or is clearly false). Explain clearly. Not all of these statements have...

This diagram shows an electron tube. Electrons emitted from the cathode accelerate towards the anode and then pass into a uniform electric field created by two oppositely charged horizontal metal...

Let X~N(35, 42). Find: a. P(X < 30.5) b. P(30.5 X < 40.5) c. P(40.5 X 46.5) d. P(X 46.5) For each following question, clearly state: Your hypotheses The value of the test statistic The number...

Listed below are measurements of the head injury criterion (hic) for seven small cars tested in crashes by the National Highway Traffic Safety Administration: Chevrolet Aveo, Honda Civic, Volvo S40,...

Suggest reasons why different techniques produce different molar mass averages.

Suppose you have a list of blood platelet counts from 500 patients in a hospital. Which of the following is most helpful in understanding the distribution of those values: frequency table, pie chart,...

Find all the possible angles with respect to the z-axis for an angular momentum vector of magnitude 6h.

Adult males have sitting knee heights that are normally distributed with a mean of 21.4 inches and a standard deviation of 1.2 inches. Use the 6 895 99.7 rule to find the indicated quantity. a. Find...

``Geometric Programming, by Robert E. D. Woolsey, UMAP 737. This unit provides some alternative optimization formulations, including geometric programming. Familiarity with basic differential...

Calculate the surface area of (a) A 1 g single crystal of cristobalite (density = 2.3 g/cm 3 , assume the crystal takes a spherical shape), (b) A uniform powder of spherical crystals each with a...

The generalized coordinates of a simple pendulum are the angular displacement \(\theta\) and the angular momentum \(m l^{2} \dot{\theta}\). Study, both mathematically and graphically, the nature of...

Huey and Dunham (1987) measured the running speed of fence lizards, Sceloporus merriami, in Big Bend National Park in Texas. Individual lizards were captured and placed in a 2.3-meter raceway, where...

Below are two potential methods for preparing the same ether, but only one of them is successful. Identify the successful aproach and explain your choice. NaOMe ONa CH3I

Using any compounds that contain two carbon atoms or fewer, show a way to prepare a racemic mixture of (2R, 3R)- 2,3-dihydroxypentane and (2S,3S)-2,3-dihydroxypentane.

Each of the following compounds contains two carbonyl groups. Identify which carbonyl group will exhibit a signal at lower wave number. a. b. c. O:

Draw a mechanism and predict the major product of the following reaction. 1) Excess LAH 2) H30*

Predict the major organic product for each of the following reactions. a. b. c. d. e. f. ? PCC C-Clz - - NazCrz07 H2SO4. H20

In some circumstances, dehydrogenation is observed. Dehydrogenation involves the loss of two hydrogen atoms (the reverse of hydrogenation). Analyze each of the following dehydrogenation reactions and...

(S)-1-Bromo-1,2-diphenylethane reacts with a strong base to produce cis-stilbene and trans-stilbene: a) This reaction is stereo-selective, and the major product is trans-stilbene. Explain why the...

Draw the major product for each of the following reactions: (a) (b) (c) 1) 9-BBN 2) H2O2, NaOH 1) Disiamylborane 2) H20, NaOH

Draw the mechanism for each of the following reaction. a. b. c. socl, Py Br PBr3

For each of the following reactions, predict the product and draw the mechanism of its formation. a. b. c. d. e. f. 1) PhMgBr 2) H20 Me 1) NaCN 2) H20 *Me

For each reaction, predict the product and draw the mechanism of its formation. a. b.

Provide a systematic (IUPAC) name for each of the following compounds: (a) (b) (c) (d) H.

Predict the major product of the following reaction. HOS Dilute H2SO. ,5S. O,H

We set the potential energy in the particle in the box equal to zero and justified it by saying that there is no absolute scale for potential energy. Is this also true for kinetic energy?

Calculate the expectation value for the potential energy of the H atom with the electron in the 1s orbital. Compare your result with the total energy.

Propose an efficient synthesis for each of the following compounds using the malonic ester synthesis. (a) (b) (c) (d) (e)

Which of the following functions are acceptable wave functions over the indicated interval? a. e x 0 < x < b. e 2ix 100 < x < 100 c. e x < x < d. 1/x 1 < <

Which of the following functions are acceptable wave functions over the indicated interval? a. e x2/2 < x < b. e ix 0 < x < 2 c. x 2 e 2ix 0 < x < d. xe x 0 < x <

Some symmetry operations can be carried out physically using a ball-and-stick model of a molecule without disassembly and reassembly and others can only be imagined. Give two examples of each...

The Doppler broadening in a gas can be expressed as where M is the molar mass. For the sodium transition, ν 0 5.0933 à 10 14 s -1 . Calculate Îν and...

A certain reaction is first order, and 540. s after initiation of the reaction, 32.5% of the reactant remains. a. What is the rate constant for this reaction? b. At what time after initiation of the...

Classify the following functions as symmetric, antisymmetric, or neither in the exchange of electrons 1 and 2: a. [1s (1) 2s (2) + 2s (1) 1s (2)] [ (1) (2) (1) (2)] b. [1s (1) 2s (2) + 2s (1) 1s...

Prednisolone acetate is an anti-inflammatory agent in clinical use. It is similar in structure to cortisol, with the following two differences: (1) Prednisolone acetate exhibits a double bond between...

Draw the mechanism of formation of PET in acidic conditions. It might be helpful to first review the mechanism for the Fischer esterification process.

Identify which of the following monomers would be most reactive toward anionic polymerization: CH3 OAc CN

A technique for radioactively labeling proteins is electrophilic radioiodination, in which an aromatic substitution of 131 I onto a tyrosine residue is performed as follows: Using the activity of 131...

Hydrogen abstraction from hydrocarbons by atomic chlorine is a mechanism for Cl · loss in the stratosphere. Consider the reaction of Cl· with ethane: C 2 H 6 (g) + Cl· (g) C 2 H...

Determine the maximum normal stress developed in the bar when it is subjected to a tension of P = 8 kN. 5 mm 40 mm 20 mm r = 10 mm 20 mm

The bars of the truss each have a cross-sectional area of 1.25 in 2 . Determine the average normal stress in members AB, BD, and CE due to the loading P = 6 kip. State whether the stress is tensile...

Determine the largest intensity w of the uniform loading that can be applied to the frame without causing either the average normal stress or the average shear stress at section bb to exceed s = 15...

Part of a control linkage for an airplane consists of a rigid member CB and a flexible cable AB. If a force is applied to the end B of the member and causes it to rotate by θ = 0.5°,...