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An airplane is flying with a velocity of 80.0 at an angle of 21.0 above the horizontal.
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64 g of copper sulfate pentahydrate and 12.69 g of sodium phosphate are added to 1.000 L of water. (a) Predict the products and write the balanced...
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A robot probe drops a camera off the the rim of a 389 m high cliff on Mars, where the free fall acceleration is 3.7 m/s^2.
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household 120 v outlets are made to accept three ponged plugs . one of the prongs attaches to the live wire 120 v, and another attaches to neutral...
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Assignment:)A wheel free to rotate about its axis that is not frictionless is initially at rest.
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(Planck's constant is 6.626 10 joule seconds, the speed of light is 2.
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Consider three identical metal spheres, A, B, and C. Sphere A carries a charge of +4q. Sphere B carries a charge of +7q. Sphere C carries no net...
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What are the main factors influencing the voltage generated by a battery?
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How do you find the article to review?
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A multiple choice problem presents radio buttons for student input. Students can only select a single option presented.
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What would you weigh if the Earth were two times as massive as it is and its radius were six times its present value?
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Ozone gas is a form of elemental oxygen containing molecules with three oxygen atoms, O3. Ozone is produced from atmospheric oxygen gas O2, by the...
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of the following correctly rationalizes the increase in atomic radii down and to the left on the periodic table, based on what we discussed in class?...
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An X-ray binary contains a 2M star and a 1.5M neutron star. If their orbital period is 1 day, what is the separatin between the two stars?
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A container has a large cylindrical lower part with a long thin cylindrical neck. The lower part of the container holds 12.5 m^3 of water and the...
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ultraviolet light causes sunburns, while visibly even greater intensity does not. Why is this so?
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an observe A, see another observer,B,as moving with velocity (u,v,0)and B sees C moving with a velocity of (u,0,v).what is the speed of C relative to...
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Two small insulating spheres with radius 4.00102 are separated by a large center-to-center distance of 0. One sphere is negatively charged, with net...
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Given the reaction: CuSO4(s)lt;-gt;Cu2(aq)+SO4(aq) The CuSO4 dissolves more rapidly when it is powdered because the increased surface area due to...
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A long solenoid has 80 turns/cm and carries current i. An electron moves within the solenoid in a circle of radius 3.10 cm perpendicular to the...
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how many moles of CO2 are produced when 0.400 mol of C6H12O6 reacts in this fasion?
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Sodium azide (NaN3) is sometimes added to water to kill bacteria. Calculate the concentration of all species in a 0.010 M solution of NaN3. The Ka...
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Four Newman projections for the conformation of 2-methylbutane are given below.
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In that case, the most sensible treatment for organic waste is careful incineration, so that at least its energy content can be exploited.
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What pressure (atm) would a mixture of 3.2 g of O2, 1.6 g of CH4 and 6.4 g of S2 exert when placed in a 11.2 L container at 273C? What is the mole
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The magnetic field, B, experienced at the nucleus of an atom, is not identical to the applied field, B0, due to shielding effects of the surrounding...
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to use the conversion factor correctly. Conversion factor-a fraction whose numerator and denominator are the same quantity expressed in different...
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3 P4 + 5O2 W P4O10 K= [P4O10]/ [P4] [O2]5 Calculating equilibrium Constants Lets look at the equilibrium that describes waht happens when acetic acid...
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The pressure of 2.4 L of nitrogen gas in a flexible container is decreased to one-half its original pressure, and its absolute temperature is...
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can you get fundamentals of nursing exam 1,2 and 3 and then the test bank?
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What is the % yield of of a reaction in which 42.00g of tungsten(VI)oxide (WO3) reacts with excess hydrogen gas to produce metalic tungsten and...
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the anesthetic procaine hydrochloride is often used to deaden pain during dental surgery. the compound is packaged as a 10.% solution (by mass; d=...
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At the instant the traffic light turns green, a car that hasbeen waiting at an intersection starts ahead with a constantacceleration of 3.
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What is the difference between a heat engine and a refrigerator ?
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how does FSH and LH affect the ovaries? can you explain the positive and negative feedbacks it has on the granulosa and thecal cells?
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please help what are the objectives and goals of studying chemistry
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Due to the lack of an enzyme to break down lipids, excess accumulation of lipids in the brain leads to a human disease called Tay Sachs syndrome.
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What is the acceleration of a 37 kg block of cement when pulled sideways with a net force of 204 N
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Give the formula or the name of the following hydrated salts: cobalt(II) chloride hexahydrate b. iron(II) sulfate heptahydrate c. CaCl2 x 2H2O d....
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suppose the gravitational force between two massive spheres is 100 N. If the distance between the spheres is doubled, what is the force between the
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A)Supposing that it remains at that value all the way to absolute zero, calculate the number of calories it would take to change a 0.50g ice cube at...
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A rocket, initially at rest on the ground, accelerates straight upward from rest with constant acceleration 53.9 m/s^2. The acceleration period lasts...
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QUESTIONS (1) Before spectroscopy was invented, Korner's absolute method was used to determine whether a disubstituted benzene derivative was the...
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How many moles are in 0.162 L of a 1.94 M solution of potassium chloride (74.55 g/mol)?
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A flask contains 0.160 mol of liquid bromine, \rm Br_2. Determine the number of bromine molecules present in the flask.
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First year biology course. Section on genomes and nucleic acid. I am asked to: Identify the regions of DNA that can be used by proteins to recognize...
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you find out that 5.00ml of a solution of H3PO4 takes 7.85ml of 0.18 M Ba(OH)2 to reach the equivalence point.
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At room temperature (20), milk turns sour in about 65 hours. In a refrigerator at 3, milk can be stored three times as long before it sours.
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The wheels on a particular moving car rotate 486 times per minute. Find the rotational period of the tires.
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Find the frequency of small oscillations for a thin homogeneous plate if the motion takes place in the plane of the plate and if the plate has the
