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100% correct and detail soln acceptable The spacing between atomic planes in a crystal is 0.130 nm . 14.0 keV x rays are diffracted by this crystal.
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How does a class being conducted online instead of on campus increase or decrease the classes' contribution to the carbon cycle during the term?
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(a) the melting of 1.09 mol NH3(s) at its normal melting point Ssurr JK-1 Ssystem JK-1 (b) the freezing of 1.
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A lightwave communication link, operating at a wavelength of 1.5 m and a bit rate of 1Gb/s has a receiver consisting of a cascaded optical amplifier,...
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20kg billiard ball traveling at a speed of 15m/s strikes the side rail of a pool table at an angle of 60 degrees.
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An automobile gasoline tank holds 50 kg of gasoline. When the gasoline burns, 175 kg of oxygen are consumed and carbon dioxide and water are produced....
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A total of 2 mol of a compound is allowed to react in a foam coffee cup that contains 118 g of water.The reaction caused the temperature of the water...
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2)Which of the following statements is true?
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Transportation needs constitute one of the highest areas of demand for energy resources in the United States. Transporting people, raw materials, and...
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Two satellites are in circular orbits around the earth. The orbit for satellite A is at a height of 366 km above the earth's surface, while that for...
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Study guide for the second midterm exam, BME 80H, The Human Genome The exam will cover material presented in lectures 6-11.
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For the synthesis of ammonia N2(g) + 3H2(g) 2NH3(g) the equilibrium constant Kc at 375C is 1. Starting with [H2]0 = 0.76 M, [N2]0 = 0.60 M, and...
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The supersonic aircraft Concorde has a length of 63.0 when sitting on the ground on a typical day when the temperature is 13. The Concorde is...
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Question Bill forgets to put his car in park and it starts rolling west. When it is moving at a speed of 3.5 mfs, it collides with Tanya's car, which...
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A football player runs the pattern given in the drawing by the three displacement vectors. The magnitudes of these vectors are A = 6.00 m north, B =...
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1) A dragster makes a pass down a drag strip that is exactly 1000 feet long in 4.939 seconds. What is its average rate of acceleration?
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To qualify for the finals in a racing event, a race car must achieve an average speed of 250 km/h on a track with a total length of 1,600 m.
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A 12 g bullet traveling 224 m/s penetrates a 2.0 kg block of wood and emerges going 166 m/s.
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1. What would you estimate the algae population density will be 20 additional years in the future, assuming no environmental changes occur?
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Complete the following problems using Boyle's law. Please show ALL formulas, work, answer with significant digits and units. If 2000 L of hydrogen...
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What is a Processing body (P-body)? What is a stress granule? How do P-bodies and stress granules differ? In what cell compartment may they be found?...
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Hydrogen peroxide can be prepared by the reaction of barium peroxide with sulfuric acid according to BaO 2 (s) + H 2 SO 4 (aq) -------- BaSO 4 (s) +...
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To demonstrate the tremendous acceleration of a top fuel drag racer, you attempt to run your car into the back of a dragster that is "burning out" at...
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9 10 Use the following balanced chemical equation to calculate the mass of carbon dioxide produced from the burning of 5.
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1 1 1 + = 25 When object is at do, lens must create cm - 50 cm f an (virtual) image at -dnear. Two people who wear glasses are camping. One of them...
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if the charge at the center of the sphere is made ... Question If the charge at the center of the sphere is made positive, how is the charge on the
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The figure below gives the speed v versus time t for a 0.480 kg object of radius 6.40 cm that rolls smoothly down a 30 ramp. What is the rotational
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The position of a squirrel running in a park is given by r=[(0.280m/s)t+(0.0360m/s^2)t^2]+(0.0190m/s^3)t^3. a.At 5.87 , how far is the squirrel from
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Here is the combustion reaction for octane(C 8 H 18 ), which is a primary component of gasoline 2C 8 H 18 + 25O 2 --------16CO 2 + 18 H 2 O How many...
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If a solution containing 58.085g of mercury (II) acetate is allowed to react completely with a solution containing 15.488 g of sodium dichromate, how...
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As Christians, we believe that the Christian narrative should affect the use of the four principles in bioethical decision making.
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Chapter 24: Modern Optics and Matter Waves 24-5 3. Sound of frequency f is broadcast into the enclosed tube, shown in the diagram, that is filled...
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1) A bomb calorimeter consists of metal parts with a heat capacity of 850.0 and 1100 grams of oil with a specific heat of 2. What is the heat...
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Give an example of Providing holistic, safe, competent patient care by applying the nursing process and evidence-based practice to manage the health
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An old riddle asks, "which has more mass, a kilogram of feathers or a kilogram of iron?
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A small ball with mass 2.50 kg is mounted on one end of a rod 0.750 m long and of negligible mass. The system rotates in a horizontal circle about...
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following questions as you progress through the lesson. A ___________________ is a single skeletal muscle cell.
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What properties of Mineral B could be used to distinguish it from gold?
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A question concerning the sound transduction. The "teamwork" inner and outer hair cells and the brain. Ist this to understand as a sort of triangular...
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Glucose C 6 H 12 O 6 is used as an energy source by the human body.
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A box is hanging by a very light string from a second box. Thesecond box is glued to the ceiling of a freight elevator. Both boxes have an inertia of...
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Question 11: A platform is oscillating vertically with an amplitude of A=0.
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0 g bullet is fired horizontally into a 101 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring...
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A toy train rolls around a horizontal 1.0--diameter track. The coefficient of rolling friction is 0.10. What is the magnitude of the train's angular
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On November 22 R. Alexander Pyron, the Robert F. Griggs Associate Professor of Biology at the George Washington University, wrote a perspective in...
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A solution contains an unknown mass of dissolved silver ions. When potassium chloride is added to the solution, a white precipitate forms.
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a 475 kg mass is brought close to a second mass of 169 kg on a frictional surface with a coefficient of friction 0.2. At what distance will the
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Calculate the hydrogen ion concentration for an aqueous solution that has a pH of 3.54 M 2.8 1011 M 3.5 104 M correct 4.22 M 5.
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Given the following pKa values, rank the conjugate bases in order of increasing strength. I) HF pKa = 3.45 II) HCN pKa = 9.31 III) HNO2 pKa = 3.37...
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In Millikan's experiment, an oil drop of radius 1.85 m and density 0.852 g/cm3 is suspended in chamber C (Fig. 22-14) when a downward electric field...