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Determine largest volume of the open box made from the 8.5x11 sheet of paper? Determine Taylor series expansion of given function about x=1.5: f=x(11-2x)(8.5-2x)
A proton that consists of a mass m and is moving at 290 m/s in the positive direction experiences a head-on elastic collision with a stationary boron nucleus of mass 10m. Determine the velocities of
Provide the structure of the major organic product that results when the 4-methylhexanal is heated in base and undergoes and aldol addition followed by a dehydration.
An elevator cab which weighs 27.5 kN moves upward. (i) Determine the tension in the cable when the cab's speed is rising at a rate of 1.58 m/s2.
A 2.0 liter flask contains 2.0 mol of H2S, 0.40 mol of H2, and 0.80 mol of S2 At a particular temperature. Estimate the equilibrium constant for the reaction
The density of cyclohexane is 0.779 g/ml. A 0.2080 g sample of an unknown substance was dissolved in the 20.0 ml of cyclohexane. The freezing point depression was 2.1 degrees C. Determine the molar
The Fermi energy for copper is around 7.05 eV. Copper consists of a density of 8920 kg/m3 and an atomic mass of 63.5. On average, determine how many electrons does an atom contribute to the conducti
Assume you shoot the arrow straight up at the speed of 60 miles per hour when it leaves bow. How high is arrow two seconds after being shot?
Explain what would be the effects of the following stresses on the concentration of NH3 once equilibrium is reestablished? Provide a brief explanation for each.
Compute the speed of Halley’s Comet at perihelion. Deduce the answer as the ratio to the orbital speed of Earth.
Why is there such a great difference in their penetrating power if the alpha particles can barely penetrate a piece of paper; beta particles can penetrate a few millimeters of aluminum; gamma ray s
(The rudder counteracts yaw and therefore it keeps the plane pointed in the direction it is moving.) The famous spy plane, the SR-71 Blackbird, flying at 4800 km/h, consists of a turning radius of 2
Determine the number of mL of 0.250 M lithium hydroxide needed to neutralize the 70.0 mL of 0.155 M arsenic acid. Be sure to write down the balanced equation describing this reaction.
A satellite having mass 1.070 × 104 kg is parked in a circular orbit 205 km above the Earth’s surface. Determine the minimum energy needed (avoid the mass of fuel burned) to place the sa
On average, how many new MBAs HKA needs to hire every year to maintain same number of Associates, Managers, and Partners? Find probability that Associate will be promoted to Manager?
Determine the Kb value for each of these species. Consider the species PO4 3-, HPO42-, H2PO4-. Each ion can act as a base in the water. Which species is the strongest base?
What current is needed in the windings of a long solenoid which consists of 450 turns uniformly distributed over a length of 0.123 m in order to generate a magnetic field of magnitude 0.000361 T at
How can you tell if a structure of a complex is tetrahedral or square planar, specifically, does It depend on the kinds of legands?
Describe the difference in the potential energy of a mercury atom among the top and bottom of a column of mercury in a barometer when the pressure is 1.0 atm?
The pressure remains constant, what is the volume of the balloon indoor at a temperature of 25C. A balloon is inflated outdoor on a cold day in North Dakota at a temp.-400C to a volume of 2.00L.
The best laboratory vacuum consists of a pressure of around 1.00 x 10^-18 atm or 1.01 x 10^-13 Pa. Determine how many gas molecules are there per cubic centimeter in such a vacuum at 293K?
How can determine the ideal moisture content of skin? How can calculate a skin moisturizer?
An aluminum rod of length 1.0000 m and cross-sectional area of 3.01x 10-4m2 is positioned snugly against the two immobile end points. The rod is primarily placed if the temperature is 0°C. Determ