Numerade

Questions asked

BEST MATCH

Question 3 CHE4804/103/0/202 [9] 3.1. Figure 2 is a GC chromatogram. solvent peak Response X Y Z Retention time (min) Figure 2: Gas chromatogram of unknown. a) State what is the problem with the chromatogram in figure 2? (1) b) What could be the source of the identified problem? (2) c) How the problem can be solved? (1) 3.2. What are hyphenated GC methods? Briefly describe two hyphenated methods. (4) 3.3. Rearrange the following compounds in the order of their elution from a reversed- phase packed HPLC column. propylene, hexane, benzene, dichlorobenzene. (1)

View Answer

BEST MATCH

A high-end studio musician normally charges $310 per hour, but says that for you she will reduce her fee to 65% of its regular rate. How much per hour is she charging you?

View Answer

BEST MATCH

Elaine got a job transfer from Italy to New York. Before leaving Italy, Elaine believed that all New Yorkers were rude, loud, and apathetic to strangers. Her views changed after several months of living and working with them. This change demonstrates which of the following? Multiple Choice stereotyping the contact hypothesis a self-serving bias prejudice

View Answer

BEST MATCH

The purpose of the digestive system is to allow _____ to be broken down into _____ that can then be used elsewhere in the body.

View Answer

BEST MATCH

Which factor contributed to the bankruptcy of the Schwinn bicycle company? a. Tariffs were rising on imported bicycles. b. Schwinn was not innovative and did not add new features to their bicycles over time. c. Foreign competitors were able to manufacture competitive bicycles at a lower cost. d. Schwinn was unable to successfully promote their brand or appeal to consumers in the United States.

View Answer

BEST MATCH

Problem 11: A slider crank mechanism shown in Figure 11 is acted upon by a force $F = 5 kN$ at $B$ as shown below. Assume $OA = 250 mm$ and $AB = 700 mm$. Determine the input torque $T$ on the link $OA$ for the static equilibrium of the mechanism at the given instant. You may use solve it graphically or with vector calculation method. a) Free body diagram b) Calculating/determine angle $\beta$ c) Determining the force in member $AB = F_{AB}$ d) Calculating the torque on $OA = T$

View Answer

BEST MATCH

Q3. A specimen of aluminum having a rectangular cross section of dimensions 4.0 mm × 22.0 mm is deformed in tension. Using the load-elongation data shown in the following table, complete parts (a) through (f). a. Plot the data as engineering stress versus engineering strain. b. Compute the modulus of elasticity. c. Determine the yield strength at a strain offset of 0.002. d. Determine the tensile strength of this alloy. e. Compute the modulus of resilience. f. What is the ductility, in percent elongation?

View Answer

BEST MATCH

Required information [The following information applies to the questions displayed below.] Melissa recently paid $595 for round-trip airfare to San Francisco to attend a business conference for three days. Melissa also paid the following expenses: $380 fee to register for the conference, $295 per night for three nights' lodging, $180 for meals in restaurants, and $420 for cab fare. (Do not round intermediate calculations. Round your final answers to the nearest whole dollar amount. Leave no answers blank. Enter zero if applicable.) d. Suppose that Melissa's permanent residence and business were located in San Francisco. She attended the conference in San Francisco and paid $380 for the registration fee. She drove 169 miles over the course of three days and paid $106 for parking at the conference hotel. In addition, she spent $375 for breakfast and dinner over the three days of the conference. She bought breakfast on the way to the conference hotel and she bought dinner on her way home each night from the conference. What amount of these costs can Melissa deduct as business expenses? (Use standard mileage rate.) Deductible amount

View Answer

BEST MATCH

Two prismatic bars A and B are made of the same material and have the same cross-sectional area. Bar A is subjected to an axial load P and has length a. Bar B is subjected to the same axial load P and has length b. The material properties of the bars are $E_1$, $\gamma_1$ and $E_2$, $\gamma_2$ respectively. Determine the ratio of the stresses in bars A and B.

View Answer

BEST MATCH

compound interest on its line of credit loans. What is the effective annual interest rate on this lending arrangement? 6. The Yellow Line Corporation's purchases from suppliers in a quarter are equal to 65 percent of the next quarter's forecast sales. The payables period is 60 days. Wages, taxes, and other expenses are 20 percent of sales, and interest and dividends are $90 per quarter. No capital expenditures are planned. Projected quarterly sales are shown here: Q1 Q2 Q3 Q4 Sales $2,160 $2,460 $2,160 $ 1,860 Sales for the first quarter of the following year are projected at $2,490. Calculate the company's cash outlays by completing the following Payment of accounts Wages, taxes, other expenses Long-term financing expenses Q1 Q2 Q3 Q4 Total 7. Use the following information to work Problems (1) through (4): You work for a lab that is considering leasing diagnostic equipment. The cost of the equipment is The equipment will

View Answer

alberto k.