Numerade

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6. Write an equation of the parabola with focus $ F(0,2) $ and directrix $ y=-2 $. 7. Find the term independent of the variables in the expansion of $ \left(\frac{2 x}{y}-\frac{y}{2 x}\right)^{21} $ 8. What term of the expansion of $ \left(2 x^{2}-\frac{1}{x^{2}}\right)^{12} $ is $ \frac{-25344}{x} $ ?

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Chapter 21 Homework: Nucleophilic Acyl Substitutions Predict the product and provide the mechanism for each of the following reactions: a) b) c) Draw the structure or predict the name of the following compounds: a) b) c) d) 3-methyl-4-chloro-6-heptynoyl bromide Chapter 21 Homework: Nucleophilic Acyl Substitutions reactions: a HCI CHOH b) SOCl2 NaOH H2O 2. Draw the structure or predict the name of the following compounds: a) b) OH

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Regulation of vesicle traffic and organelle identity by Rab family monomeric GTPases can involve Rab proteins positive feedback, where they stimulate their own activity. An example of this activity would be Rab protein stimulating the activity of a Rab5 GEF. • True • False

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3. What happens when 10.0mL of 0.2M KOH is added to 10.0 mL of 0.2 M $CuSO_4$ ? A. No precipitate forms. B. A precipitate of $K_2SO_4$ forms. C. A precipitate of $Cu(OH)_2$ forms. D. Precipitates of $K_2SO_4$ and $Cu(OH)_2$ form.

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What are characteristics of the snake jaw that allow it to eat large prey items? Snakes have immobile upper jaws that provide leverage for moving prey items down the esophagus. Snakes exhibit akinesis of the skull, meaning the jaw is completely immobile. Snakes can unhinge their upper jaws, but not their lower jaws. Two halves of the bottom jaw are not fused like ours, and there is an extra bone between the skull and lower jaw bone that allows for a wider gape. Snakes can unhinge their lower jaws, but not their upper jaws.

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The characteristic equation of $AA^T$ for the matrix $A = \begin{bmatrix} 1 \\ 2 \\ 1 \end{bmatrix}$ will be of degree a. 3 b. 1 c. 2 d. Not defined

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Would you explain step by step how to simulate this circuit on PowerWorld Simulator? If you share your work as a pwb file, that would be appreciated. The due date is tomorrow for the assignment. 3 80 MVAr 120 MW Line-8 80 MW 4 40 MVAr BELO Line-1 60 MW IV=13.8.0kV > 30 MVAr Line-2 TR-2 50 MW > 80 MW > 40 MVAr IV=15kV Line-7 Line-3 MW 08 Line-5 Line-4 80 MVAr > 100 MW 10 TR-3 33 IV=13.2kV 150 MW G-3 Generators G-1: 250 MVA, 13.8 kV G-2: 350 MVA, 15.0 kV G-3: 350 MVA, 13.2 kV Transformers TR-1: 250 MVA, 13.8 kV/240 kV, X=0.1 pu TR-2: 350 MVA, 15.0 kV/240 kV, X=0.12 pu TR-3: 350 MVA, 13.2 kV/240 kV, X=0.12 pu Lines All lines 240 kV, line resistance is 0.097 ohm/mil, and line reactance is 0.65 ohm/mil. Line lengths are Line-1=13 mil, Line-2=19 mil, Line-3=31 mil, Line-4=44 mil, Line-5=31 mil, Line-6=16 mil, Line-7=13 mil, Line-8=19 mil System Base Quantities SgAsE=300 MVA (three-phase) and VgASE=240.0 kV in the zone of Line-4 Generator, transformer, line data information, and one-line diagram of a ten-bus system are given above

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Question 16 of 16 Draw the Lewis structure of SOCl$_2$ (with minimized formal charges) and then determine if the molecule is polar or nonpolar. + A) Nonpolar B) Polar

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This question requires you to demonstrate your knowledge and understanding of rocket engines. An end-burning composite solid rocket motor is designed to produce an optimal thrust of 5 kN at an altitude of 5 km where the ambient pressure is 54 kPa. The propellant properties are given in Table Q3. a) Draw a process diagram for this engine showing your stage notation. Assuming an ideal rocket, determine: [2 marks] b) (i) the nozzle exit velocity; [8 marks] (ii) the nozzle exit diameter; (iii) the throat velocity; (iv) the propellant grain diameter; (v) the burning time if the propellant charge length is 1.4 m; [3 marks] (vi) the thrust if the altitude of the rocket increases to 7 km where the ambient pressure is 41 kPa. [2 marks] Propellant grain density: 1,820 kg/m^3 Vielle's law burning rate indices: n = 0.4 and k = 3.6 Combustion temperature: 2,800 K Combustion pressure: 12 MPa Exhaust gas constants: 1.2 R 290 J/(kg.K) Y Table Q3: Rocket engine performance data.

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Post Lab Questions 7. Describe how the bones of pectoral girdle attach the upper limb to the axial skeleton. 8. Name the bones of the pectoral girdle and upper limb that are not considered long bones. In addition, classify the shape of each bone that you list below. 9. Name the carpal that is proximal to the first metacarpal. 10. Name the two carpals that articulate with the radius and ulna. 11. List the carpals. 12. Name the bone (including number) that is found in the tip of your index finger.

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rachel a.