Question: Select the statements below that are TRUE:

> Determine the maximum shear force V that can be applied to the cross section. The wood beam has an allowable shear stress of ?allow = 8.5MPA 50 mm 50 mm +100 mm 50 mm 200 mm 50 mm

> 4-lane multilane highway with a density of 17 pc/mi/ln. What is the LOS?

> LOS depends on Measures of Effectiveness (MOE) • Automobile mode • Freeways: ? • Multilane highways: ? • Two-lane highways: ? • Intersections: ?

> A four-lane undivided multilane highway (two lanes in each direction), has the following roadway and traffic characteristics: Rolling terrain 11-ft lanes 5-ft shoulder 5 access points/mile 565 two-way peak hour volume (veh/h) Directional split = 60

> The frame shown in Fig. 5 has bending rigidity EI and axial rigidity EA. Assuming strain energy due to shear deformation is negligible, use Castigliano's second theorem and obtain, a. the equations for axial force in part AB and bending moment in part B

> Find the relative displacement of points A and D in the structure of uniform section shown in fig. Assume uniform flexural rigidity. A n w W→ID C B

> What is the allowable bearing capacity of the foundation shown below? Sand 1 m d=36° 2.0 m x 100 m 4.5 m n=17 kN/m³ Clay c=50 kPa

> The relative rigidities for the shear walls shown in the figure below are: Determine the location of the centre of rigidity of the building. TA= 20 B= 12 TD =9 %3D n= 12 rc = 10 %3D 20 ft 60 ft 20 ft 20 ft t. 20 ft 50 ft 70 ft 30 f 40 ft 20 t 20 ft

> Figure P7.8 shows an 8-in.-thick (nominal) concrete masonry shear wall that has several openings. Calculate a. relative rigidity of the wall by Methods 1,2, and 3. 3' 4' 16' 8' 4° 10 4 8' 8 4" 66' FIGURE P7.8

> Derive the general formula for stiffness matrix[kcr].

> 1. Determine Internal Shear and Moment As Functions of X, calculate and draw shear and moment diagrams Determine Internal Shear and Moment as Functions of x, Take left end as Fixed Determine Reactions at Supports, assume Nodes 1 and 3 are fixed suppo

> The block brake consists of a pin-connected lever and fr iction block at B. The coefficient of static friction between the wheel and the lever is μs = 0.3 m and a torque of 5 N.m is applied to the wheel. Determine if the brake can hold the

> For the beam and loading shown above, determine the internal bending moment at point C. For the beam and loading shown above, determine the internal bending moment at point C. Answer: For the beam and loading shown above, determine the internal ben

> 25 kips 6 in. t = 0.25 in. - 25 in. - b For the beam and loading shown, determine: 3 in. 25 kips. 6 in. t = 0.25 in -25 in.- 9. 8 in. For the beam and loading shown, determine: 6. The shearing stress at point b (ksi) 3 in. 25 kips, 6 in. t = 0.25

> Consider the given beam and loading. Draw the shear and bending-moment diagrams for the beam and loading shown. For the beam and loading shown, identify the maximum absolute values of the shear force and bending moment.

> The figure below shows a retaining wall hat is restrained from yielding (given: H= 20 ft; Φ = 300, c = 0; γ = 105 lb/ft3: OCR = 1). Find: 1. Ko and the lateral earth force Po 2. Ka and the Rankin active lateral force Pa 3. Kp

> For the wall and soil conditions shown in the Fig. 3, determine the active lateral earth pressures on the retaining wall. Draw the lateral pressure diagrams, and determine the magnitude and location of the lateral force. Also calculate horizontal and ver

> Determine allowable bearing capacity with a factor of safety of 2. T-115 put A Wate takle

> For the wall and soil conditions shown in the Fig. 3, determine the active lateral earth pressures on the retaining wall. Draw the lateral pressure diagrams, and determine the magnitude and location of the lateral force. Also calculate horizontal and ver

> Locate the centroid of the plane area shown. PROBLEM 5.2 Locate the centroid of the plane area shown. 2 in 21 in. 15 in. PRO EM 5.7 Locate the centroid of the plane area shown. 20 in. ra15 in. 30 in. -30 in

> Locate the centroid of the plane area shown. Problem 1: -4 in. Locate the centroid of the plane area shown. 5 in. 1.5 in. 2 in. 1.5 in. Problem 2: Locate the centroid of the plane area shown. 35 mm 15 mm 15 mm 20 mm 30 mm

> Locate the centroid of the plane area shown. PROBLEM 5.3 120 mm Locate the centroid of the plane area shown. 100 mun PROBLEM 5.13 Locate the centroid of the plane area shown. 20 in. y=kr² -20 in.

> The Diffusion coefficients for carbon in nickel are given at two temperatures. Determine the values for D0 and and Q. () 2.2 x 10 D (m2/s) 1473 EL9

> Consider the cross-section show in the figure Calculate Ix the moment of inertia about the x-axis Calculate Iy the moment of inertia about the y-axis y w" B (w,h) h y =-x h" 3. y = h A (0,0) W = 12 in h = 15 in

> Consider the cross section show in the figure Xc C(2,9)- b = 11 in t = 1 in Calculate (X,9) the coordinates of the centroid ) in ENTER 3 tries remaining. 1 point(s) possible Calculate Ix the moment of inertia about xc-axis passing through the centr

> 1. Locate the centroid of the plane area shown. 2. Locate the centroid of the plane area shown. -4 in.- 5 in. 1.5 in. 2 in. brasin. 1.5 in. 35 mm 15 mm 15 mm 20 mm 30 mm

> Weight: 20.00 % Consider the cross section show in the figure 2 b C(8,9)- Xc b Calculate (X.9) the coordinates of the centroid : ) in ENTER 2 tries remaining. 0.67 point(s) possible Calculate lx the moment of inertia about xc-axis passing through

> Consider the Cross section shown in the figure y b C(8,9)- Xc 1 b b = 14 in t= 1 in 2. Calculate (x,y) the coordinates of the centroid ) in ENTER 3 tries remaining. 1 point(s) possible Calculate Jc the polar moment of inertia in^4 ENTER Calculate ly

> The allowable bearing capacity may be dictated by the allowable settlement. True False

> Name the following compound: Spell out the full name of the compound. B. C. D. E. F. CH3-CH2-CH2–CH=CH2 CH3-CH2-CH=CH-CH3 CH3 CH2=C-CH2–CH3 CH3 CH2=CH-CH-CH3 CH3 CH3-C=CH-CH3

> Rank these compounds by boiling point. Select the compound that has the highest boiling point. based on that compound's dominant intermolecular force. Highest Boiling Point pentane: H3C-CH2-CH2-CH2-CH3 CH3 H3C-C-CH, CH, neopentane: CH3 isopentane: H

> In each reaction box, place the reagent and conditions from the list below. 1) 2) он 3) но 4) TSCI, pyridine BHTHF H2SO. (conc.) NaBH. NaOH (CHalaCO H2O2. NaOH, H2O HO* CH;CO0 CH;0 1) l|OH 2) H2O/NaOH HPO4, A Og in CH C2 CH,ONa in CHSOH BaHe in THF

> In each reaction box, place the best reagent and conditions from the list below. 2) 3) 4) 2 equiv. NaNH CH,Br HO, H;SO4, HgSO. excess NaNH, then H20 Socie CHCH;Br BH/THF HBr Brz Hạ. Lindlar catalyst bromocydohexane H2O2, NaOH, Ho

> Name each of the following: CH CH.CH.CH.CH Question #2 - Name the following compounds: CH;CH,CH,CH,CH, Question #2 - Name the following compounds: Question #3 - Name the following compounds: Question #4 - Name the following compound: Question #5 - Na

> When benzene freezes at 5.5°C its density changes from 0.879 gcm−3 to 0.891 gcm−3. Its enthalpy of fusion is 10.59 kJ mol−1. Estimate the freezing point of benzene at 1005 atm.

> The enthalpy When benzene freezes at 1 atm and at 5.5°C its mass density changes from 0.879 g cm of fusion is 10.59 kJ/mol. Estimate the freezing point of benzene at 1,020 atm.

> When 2g of urea is dissolved in 100g of benzene the solution freezes at 3.5c. when 3g of unknown substance is dissolved in 50.0h of benzene, the solution freezes at 3.14C. calculate the molar mass of the unknown substance. Tf benzene=5.5C

> 2.55g napthalene dissolved in 30g of benzene. benzene freezes at 5.5C and resulting solution freezes at 2.13C what is the freezing point depression constant of benzene.

> When benzene freezes at 5.5 C its density changes from 0.879 g/cm3 to 0.891 g/cm3. Its enthalpy of fusion is 10.59 kJmol-1. Estimate the freezing point of benzene at 1000 atm. The normal freezing point of benzene is 5.6 oC 10590J × 78mol 0.879 0.891,

> Draw the Lewis Structures for the following molecules and predict the molecular geometry (including expected distortions if any): a. BCl3 b. SnBr4 c. TeF6 d. TeCl4

> Add formal charges to each resonance form of HCNO below. А. В. C. H- -NE EN-

> 1. What is the final product produced in the following reactions? 2. What is the product of the following reaction? 3. What is the product of the following reaction? 4. What is the product of the following reaction? 1) CH3CH2MgBr/ THF H3C-C=C-H ?

> What is the product of the following reaction? 17. What is the product of the following reaction? 1) HзРОд, heat, 2) 02, heat 3) H30*, heat 18. What is the product of the following reaction? OH PBR3 19. What is the product of the following reaction?

> What is the product of the following reaction? H2/Pt a. b. H. d. H. с. H. но но но но What is the product of the following reaction? HO NaBH4, H20 What is the product of the following reaction? 1) xs LAH, Et20 2) H20, H2SO4

> What is the product of the following reaction? the following reaction? 1) excess CH,MgBr он H 2) H20 OH A 15. What is the product of the following reaction? 1) excess PhLi 2) H20 OH Ph Ph Ph Ph B D A 16. What is the product of the following reaction?

> Predict the product of the reaction below. OH CH;CH,CH,OH ? H,SO4, H2O

> 9. What is the product of the following reaction? 10. What is the product of the following reaction? 11. What is the product of the following reaction? 12. What is the product of the following reaction? 13. What is the product of the following reacti

> Classify the following compound according to their type as ionic or molecular respectively NO2, CCI4, K20 ionic, molecular, ionic molecular, ionic, ionic molecular, molecular, ionic ionic, ionic molecular

> Classify the following compounds according to type as ionic or molecular, respectively: Li3N, Al2O3, H2S a. ionic, ionic, molecular b. molecular, ionic, molecular c. molecular, ionic, ionic d. ionic, molecular, ionic

> Draw Lewis structures and indicate shapes for the following. For each central atom, indicate the formal charge, predict the bond angles and identify the hybridization. A. TeF62- B. XeO2F2

> Calculate the energy of an electron in the n =7 level of a hydrogen atom.

> Give the major product for the following reaction 1. CH, CH,0 CH;CH:0 CH OCH,CH; 2. CH;CHCH,Br 3. HC, Н.О, heat

> Determine the products formed in each reaction. ECH CHCH,CCH + (CH,CHCCHCH (CH,CHalCCcCH,CH, b1 .cCH CCH .CCH CH, HC H H a1 a ct CI А. HC=ce H3C H Oc=CCH;CH3 В. (CH3CH2)CCI HC=CO С. H D

> Give the major product for the following reaction. POCI; CH;-ÇH-CH,CH; он CH: H CH: CH; CH: CH CH; CH: H CH: CH: H H CH;CH;

> Give the major product for the following reaction: Brz ? (low concentration)

> Give the major product for the following reaction. PCC (CH,),CHCH,CH, H (CH; ),CHCH, CH CH;CH,CH,CH, CH CH; CH, CH, CH,COH (CH;),CHCH,COH no reaction

> Give the major product for the following reaction. 70. Give the major product for the following reaction. OOCH,CH, CH CH CH OCHCH, CH,CHCH 71. Give the major product for the following reaction. NaOCH, CH,OH CH;(CO,CH

> Give the major product for the following reaction. 1. PBr3, Br, CH,CH2COH 2. Н.о 1. CH3CH2COCI 2. H30* 1. CH,COCI HC. CH 2. H3O" NAOCH3, CH3OH CH:(CO;CH3);

> Give the major product for the following reaction. 1. NaOCH 2. BICH,CH,CH,CH;Br CH:(CO,CH,), 3. NaOCH, 4. H,O", A 1. NaOEt 2. CH,CH-сHсосн, (Eto,C),CH, 3. NaOH, H,0 4. HCI, H,О 5. heat heat CH;CH, CH, CH; CH он 1. CH,00 CH;0 CH,CH;CH;CH: OCH: 2. H

> Choose the aromatic compounds among those shown. Check all that apply. Zエ CH, HN

> Draw the Lewis structures for a. HIO3 b. H2CO3 c. TeF6 d. PH3

> Choose the aromatic compounds among those shown. Check all that apply. CH CH* CH CH* CH*

> Choose the aromatic compounds among those shown. Check all that apply. CH CH CH CH CH CH" CH, HN

> Part A Choose the aromatic compounds among those shown. Check all that apply. Choose the aromatic compounds among those shown. Check all that apply. CH, HN Which of the following is the best choice of reagents to effect the electrophilic iodinatio

> Which one of the following molecules would you expect to be polar? CCl4 CH2Cl2 BeCl2 PCl5 SCl4F2

> A. BeCl2 -+labels Is BeCl2 polar or nonpolar? B. SO2 -+labels Is SO2 polar or nonpolar? C. SCl2 -+labels Is SCl2 polar or nonpolar? A. BeI2 -+labels Is BeI2 polar or nonpolar? B. H2O -+labels Is H2O polar or nonpolar? C. AlBr3 -+labels Is AlBr3 pol

> a. NH3 nonpolar or polar? b. IF5 polar or nonpolar? c. SF6 nonpolar or polar? d. SeBr4 polar or nonpolar? e. SO2 polar or nonpolar? f. O3 polar or nonpolar?

> polar or nonpolar. HCP Polar or nonpolar HASO42- (aq) Polar or nonpolar bus polar or nonpolar. HCP Polar or nonpolar HASO, (aq) Polar or nonpolar SOBR4 Polar or nonpolar Polar or nonpolar IF4

> PCl3 Br2 is a nonpolar molecule. Based on this information, determine the Cl-P-Cl bond angle, the Br-P-Br bond angle, and the Cl-P-Br bond angle. Enter the number of degrees of the Cl-P-Cl Part A PC13B12 is a nonpolar molecule. Based on this inform

> Rank the following carbocations in order of decreasing stability. CH CH,CH;CHCH CH,CH,CCH, CH,CH CH: 4. 3 2.

> Rank the following carbocations in order of decreasing stability. most stable least stable -CH; CH3 CH2

> Formula Total e-Positions # of valence e- Lone Pairs Single Double Bonds Bonds Lewis Structures, if equivalent resonance structures are predicted, Formula # of valence e- Lewis Structure (s, if equivalent resonance Lone Single Double Bonds Bonds Tota

> Indicate the electron pair geometry and the molecular geometry for each of the six compounds listed below by completing the following table (bent, trigonal planar, linear, tetrahedral, trigonal pyramidal) compound electron pair geometry molecular geo

> The molecular geometry of the PF4 ion is A. octahedral B. tetrahedral C. trigonal pyramidal D. trigonal planar E. trigonal bipyramidal

> Which of the following does not have a tetrahedral molecular geometry? A. CF4 B. PF4+ C. SeF4 D. SiF4

> Bonding atoms Total # Species of electron regions CO32- Lone pair Type (p) on AB,E. central atom Electron Shape domain (molecular geometry geometry) Angle Bear hybridization VSEPR THEORY: MOLECULAR GEOMETRY Total # Species of electron reglons Lone p

> The molecular geometry of the PF4+ ion is _____. Draw the lewis structure.

> What is the molecular geometry of PF4?

> The following hydrogenation reaction, draw the correct organic product and select the correct IUPAC name for the organic reactant. Pt + H H Select the correct IUPAC name for the organic reactant. (Z)-3-ethyl-2-butene (E)-3-methyl-2-pentene (E)-3-met

> Give the mechanism for the following Hydrogenation reactions: the a. Polle Hz b. Pale CH3 He C. Ra-Ni

> Fill in the missing organic products or reactants for the following hydrogenation reactions. b. H2 Pt catalyst

> The balanced reaction between HCl and sodium benzoate is given and what volume of 1 M HCl is required to react with 3.74 g of sodium benzoate?

> Predict the shapes of a. IO4- b. IF4- c. TeF6 d. SiO4 e. ICI2 Include the lewis structure

> 1. Draw the full Lewis structure and bond-line structure of benzoic acid. Using the pKa table on the next page, list the approximate pKa of benzoic acid. Explain the structural feature(s) of benzoic acid that cause its acidity 2. Draw the acid-base reac

> The procedure called for reacting 2.00 g of sodium benzoate (13.9 mmol) with 5 mL of 3M HCl. a. Calculate how many mmols of HCl was added if exactly 5 mL of the acid was used. b. Based on the amounts of sodium benzoate and HCl used, which reactant is the

> Based on the pKa of benzoic acid and the pKa of HCl, what do you hypothesize will happen in terms of reaction equilibrium? a. the equilibrium will favor the starting materials (sodium benzoate and HCl) because HCl has a lower pKa b. the equilibrium will

> What are sodium benzoate and HCL mechanism and the equation is? Explain through le Chatelier principle and acid-base reaction?

> Explain the purpose of adding 6 M HCl to the aqueous layer with sodium benzoate. Draw the reaction between sodium benzoate and HCl.

> Label each of the following molecules as cis or trans. Br H,C OH Br

> Name the following molecules. Label the molecules below as either cis or trans and either E or Z where appropriate. CI CI F. F. /-

> Which enzymes of the glycolysis pathway catalyze irreversible reactions, and why are they irreversible?

> 12. Which steps of reactions in glycolysis are irreversible? 13. Which reaction is the first committed step of reaction in glycolysis?

> 1. What is glycolysis? Give a brief overview of glycolysis. 2. Name the enzymes involved in and write the chemical reaction of irreversible reactions of glycolysis.

> Draw the Lewis structure for the ethylene (C2H4) molecule. Be sure to include all resonance structures that satisfy the octet rule.

> Select the irreversible reactions of glycolysis. conversion of glucose 6-phosphate to fructose 6-phosphate by phosphoglucose isomerase conversion of glucose to glucose 6-phosphate by hexokinase conversion of fructose 6-phosphate to fructose 1,6-bisphos

> Draw the Lewis structure and label the functional group. Table 1: Lewis structures & Functional groups for Simple Organic Compounds Formula Lewis Structure (with at least ONE functional group (from Table 15.1 - CIRCLED & labelled) Example: - Aldehyd

> Complete the Lewis structures for the following resonance forms of C2H5NO. Be sure to include formal charges. Circle the resonance structure that is the LEAST important contributor to the resonance hybrid. Explain your choice. C-NH, — с HC H3C - NH,

> Draw the Lewis structure for acetamine C2H5NO. Acetamine molecules have one carbonyl group and one amino group. Be certain you include any lone pairs.

> To draw the Lewis Structure of C2H5NO

> Draw the main Lewis structure of NOF. Draw nonbonding electrons using the dot notation, and bonding electrons as a bond.