Briefly define centralized purchasing and give 1 advantage and 1 disadvantage of its usage.

A local lawncare service is contemplating replacing an older leaf collector/shredder with a new more powerful unit.  While the old unit works, employees frequently complain about how easily the existing unit clogs, constant breakdowns, and how noisy it is.  A new unit is expected to solve all of these problems.  However, because the leaf collector/shredder is only used for 2 months a year, the lawncare service’s owner is uncertain if buying the new unit is sensible.   Repairing the existing unit requires an average of ${fi} for the year and the operating costs are ${vi} an hour when it is working.  A new unit can be leased for ${fo} per year and will cost ${vo} per hour to operate.  What is the crossover point in hours for these 2 options? (round your answer to the nearest whole number)

Which one of the following statements about process management is best?

The product-process matrix used to analyze manufacturing operations brings together the elements of:

Use the information below, which was obtained from a retailer on one of its products, to answer the following question. Demand = {D} units/day Ordering costs = ${S}/order Holding costs =${H}/unit/yr Unit cost = ${C}/unit Unit selling price = ${P}/unit Lead-time = {L} weeks Number of weeks per year = 50 weeks Number of days per week = 5 days If the company uses the EOQ, what is the total cost of the inventory policy? (answer to the nearest whole number) Helpful information

Briefly explain the bullwhip effect.

Considering sourcing strategies, under what conditions would use of many suppliers be preferred?

Vertical integration would tend to offer the greatest strategic benefit under which of the following organizational conditions?

Consider the same function as in problem 1:

The van’t Hoff Equation is a mathematical relationship relating the equilibrium constant to the temperature of the system: lnKeq=-∆Horeaction/R(1/T) +∆Soreaction/R Where ΔHoreaction and ΔSoreaction are correspondently standard enthalpy and entropy changes of reaction and R is the universal gas constant (8.314 J mol-1k-1).  The graphical interpretation of van’t Hoff Equation in form of the plot of lnKeq vs 1/T gives you an opportunity to determine both thermodynamic functions from the value of the equilibrium constant: the slope of this plot is equal to -ΔHoreaction/R and y-intercept – to ΔSoreaction/R.  Note that your values will come in Joules and the temperature for all thermodynamics calculations should be converted to Kelvins. The student explored the famous Haber process: N2(g) + 3H2(g)  => 2NH3(g), and obtained the following data for the equilibrium constant: Temperature, oC Equilibrium constant 25.00 3.86E+05 75.00 2.27E+03 125.0 4.04E+01 175.0 1.52E+00 225.0 8.37E-02 Assignment and Rubric: Use your Lab Report Template to answer the questions below. Follow all instructions to get full credit. Please answer the following questions:  Make the necessary calculations and build the data table lnKeq vs 1/T   Generate a graph of ln Keq – 1/T and report the trendline equation and R2. (2 pts) Using the slope calculate the enthalpy change, show your work, include, and report correct units. (2 pts) Using the y-intercept calculate the entropy change, show your work, include, and report correct units. ( 2pts) Assuming the accepted value for the standard enthalpy change at 500K to be -99.88 kJ, calculate the % error of the experiment? and explain the source of the error. (2pts) Upload your calculation to Midterm Exam Required Calculations & Partial Credit after submitting this Midterm for 4 additional points Results:trendline equation: R2: ΔH: ΔS: %Error: