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Answered>Order 509

The engine has a single choke down-draft carburetor, with a 28 mm diameter Venturi. This venturi takes the form of a convergent-divergent nozzle. The float level is 1 7/8 inches below the outlet – through small holes at the midpoint of the choke. It is standard practice to feed the petrol in through such holes at the […]

 

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Answered>Order 510

36.Your professor showed you an online video of the chair of the Federal Reserve Bank speaking to the American public. The message she is conveying indicates that Fed economists are worried about the unemployment rate and believe the best course of action would be to speed up the economy. Which of the following policies is the Fed […]

 

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Answered>Order 511

1 Problem (Due Wed., Feb. 17) N-tris(hydroxymethyl)aminomethane (acronym TRIS, structure shown below) is commonly + used as a biochemical buffer. The pKa of the protonated form of TRIS (TRISH ) is 8.08. A laboratory manual has the following recipe for the preparation of 1.00L of .0500M pH 7.80 TRIS Dissolve buffer: 2.08g of TRIS (MW […]

 

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Answered>Order 512

A study was done to investigate a newly created drug to increase memory performance. The study was done with rats. The dependent measure was number of errors made while learning a maze after being injected with the memory drug or a saline solution (control). Rats were randomly assigned to either the memory-enhancing drug or the […]

 

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