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  • ECON 1030 – BUSINESS STATISTICS 1:

    ECON 1030 – BUSINESS STATISTICS 1: Individual Assignment Instructions: This is an individual assignment with a total of 40 marks. The allocation of marks is as follows: Statistical Analysis (including excel) 30 Professional Report 10 Total 40 The response to the assignment must be provided in the form of a professional report with no more…

  • Indian Jones and the Last Crusade

    Using 1200-1400 words of detailed discussion, analyze how the aesthetics of Indiana Jones and the Last Crusade work to present a theme. What theme is offered with specific aesthetics? Use specific material from at least 2 of our 5 previous lecture topics (narrative, mise-en-scene, cinematography, editing and sound) to explore theme. For example: consider exactly…

  • Exam Question#9

    Please choose a communication medium (e.g. the internet, Hollywood movies, Bollywood movies, radio, etc…) and discuss how it has been regulated and censored historically verses today. Please post your original paper by October 27th and respond to at least 2 classmates by October 29th.

  • Write a vector formula for computing the center to center distance between two disks given their velocities, u, and their positions, r0, at a given time, t0.

    Sphere and disk collisions can be expressed more compactly and computed more conveniently in vector notation. Primarily, this involves converting the procedures of Example 7.10 to use the dot product of the relative position and relative velocity. (Hint: You may find useful information in the DMD module at Etomica.org.) (a) Write a vector formula for…

  • Estimate the temperature of the first gas to flow out of the turbine.

    Propane is available from a reservoir at 350 K and 1 MPa. An evacuated cylinder is attached to the reservoir manifold, and the cylinder is filled adiabatically until the pressure is 1 MPa. What is the final temperature in the cylinder? Ethane at 425 K and 100 bar initially is contained in a 1 m3 cylinder.…

  • what is the pressure in the tire and the amount of propane remaining in the can?

    A practical application closely related to the above problem is the use of a compressed fluid in a small can to reinflate a flat tire. Let’s refer to this product as “Fix-a-flat.” Suppose we wanted to design a fix-a-flat system based on propane. Let the can be 500 cm3 and the tire be 40,000 cm3. Assume…

  • Plot the CO2 temperature (°C) on the ordinate versus H on the abscissa, using H  0 for the outlet state as the reference state.

    The enthalpy of normal liquids changes nearly linearly with temperature. Therefore, in a single-pass countercurrent heat exchanger for two normal liquids, the temperature profiles of both fluids are nearly linear. However, the enthalpy of a high-pressure gas can be nonlinearly related to temperature because the constant pressure heat capacity becomes very large in the vicinity…

  • Perform this calculation and compare the resulting acentric factor to those on the inside covers of the book.

    To clarify the problem with the van der Waals equation in regard to phase-equilibrium calculations, it is enlightening to compute the reduced vapor pressure at a reduced temperature of 0.7. Then we can apply the definition of the acentric factor to characterize the vapor pressure behavior of the van der Waals equation. If the acentric…

  • Estimate the mole fraction of CO2 in water at 0.7 MPa total pressure and 298.15 K.

    Carbon dioxide solubility in water plays a critical role in biological physiology and environmental ocean chemistry, affects the accuracy of acid-base titrations in analytical chemistry, and makes many beverages fizzy. The Henry’s law constant for CO2 in water is listed on the NIST Chemistry WebBooka as KH = 0.035 mol/kg-bar at 298.15 K. Estimate the mole fraction of…

  • Describe what happens to the water in the cells and the glycerol outside the cells when the medium is replaced with 10 wt% glycerol.

    E. coli are bacteria commonly used to express desired proteins through genetic modification because they replicate and express whatever intracellular DNA they find. Introducing foreign DNA requires weakening the cell membrane by washing twice briefly (~10 min.) with pure water at 4°C, followed by a wash with 10wt% glycerol solution, centrifuging to isolate the cell…

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