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In a certain organic compound, one of the carbon atoms is bonded to two atoms: a hydrogen atom and a carbon atom. What type of bond exists between the two carbon atoms?

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d) Calculate the ratio between the wavelenth of an electron and a proton if the proton is moving with half the velocity of electron (Mass of proton $ =1.67 \times 10^{-27} \mathrm{~kg} $ and mass of electron $ =9.1 \times 10^{-31} \mathrm{~kg} $ )

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CHROMOSOME CONNECTION ACTIVITY PACKET SELF-CHECK QUESTIONS: Based on your reading of the Background Information, check your understanding at this point by answering the following questions: 1. If two different species have extensive identical chromosome banding patterns, they... A must be related B) are probably related C) could be related, but not necessarily so D) are probably not related E) may or may not be related...no basis for judging this 2. If you found that two sets of chromosomes (one from species "X" and one from species "Y") showed a very close match (in the number of chromosomes and many identical banding patterns), it would be most reasonable to say that... A) one species evolved from the other B) both species evolved from a common ancestor relatively recently C) both species may be distantly related D) their chromosome similarities are only a striking coincidence

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14. Express $ 1 . \overline{81} $ in the form $ { }^{p} / q $ form? 15. Simplify: $ \sqrt{45}-3 \sqrt{20}+4 \sqrt{5} $ 16. If $ x=9+4 \sqrt{5} $ find the value of $ \sqrt{x} $ -

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6. Draw the energy diagram for the following SN2 reaction. Write the kinetic equation. Draw the mechanism using arrows. NaOCH3 acetone

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1. A bike shop reduces the price of a bike for quick sale from $455.00 to $395.00. Compute the rate of markdown. 2. A furniture store sold a bed regularly priced for $990.00 for $720.00. The bed was originally purchased for $600.00 less 40%. The store's overhead is 25% of the regular selling price. a) Calculate the rate of markdown at which the bed was sold. b) Calculate the operating profit or loss at the sale price. 3. An answering machine cost a dealer $220.00 less 31.5%, 7%. It is regularly priced at $212.00. The dealer's overhead is 17% of the regular selling price and the answering machine was cleared out for $175.45. a) What is the regular markup based on selling price? b) What was the rate of markdown at which the answering machine was sold? c) What was the operating profit or loss? d) What rate of markup based on cost was realized? 4. A retailer buys an appliance for resale at $2123.00 less 27%, 20%. The store marks the merchandise to cover expenses of 23% of the regular selling price and a net profit of 12.9% of the regular selling price. During a clearance sale, the appliance is sold at a markdown of 22%. What is the operating profit or loss?

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(a) Find the slope of the curve $y = x^2 - 4x - 3$ at the point P(3, -6) by finding the limit of the secant slopes through point P. (b) Find an equation of the tangent line to the curve at P(3, -6). (a) The slope of the curve at P(3, -6) is \boxed{\text{ }} (Simplify your answer.) (b) The equation of the tangent line to the curve at P(3, -6) is y = \boxed{\text{ }}

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Consider the following resource allocation graph P? P? P? R? R? R? R? P? P? (a) Convert it to the matrix representation (i.e., Allocation, request and Available). (b) Do a step-by-step execution of the deadlock detection algorithm. (c) Is there a deadlock? If there is a deadlock, which processes are involved?

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Question 5 (5 points) PiListen The medication order calls for the nurse to administer hydrocortisone (Solu-Cortef) 250 mg bid. The label on the powdered form of the medication reads, "500 mg of Solu-Cortef for injection." Reconstitute the powder to yield 100 mg/mL. How many milliliters will the nurse administer per dose? Write only the number. mL

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3.19,3.49,3.79,3.89,3.99,4.19 What is the median of the list of numbers above?

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catherine j.