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A company is considering the purchase and installation of a pump which will deliver oil at a faster rate than the pump already in use. The purchase and installation of the larger pump will require an immediate layout of $1600, but it will recover all the cost by the end of one year. The relevant cash flows have been established as follows:
Explain the values given for the discounted-cash-flow rate of return and net present worth. If the company requires a minimum rate of return of 10 percent, which alternative should be chosen?
Determine the molar free energy of vaporization, Delta vapG, for benzene at 75 C and 1 bar given that the molar enthalpy of vaporization of benzene at its normal boiling point of 80.09 C and 1 bar is 30.72 kJ⋅mol-1.
Use the Gibbs phase rule to determine how many degrees of freedom exist for the system at equilibrium. State the meaning of your result in your own words.
Calculate the wavelength, in meters of a photon capable of exciting an electron in He+ from the ground state to n = 4
The problem statement, all variables and given/known data A tube scanner made of a PZT piezoceramic material, which has a piezoelectric coefficient, d31=- 0.27x10 -9 mV -1 , has a length of 12.5 mm and wall thickness of 0.5 mm.
Radioactive cobalt-60 is used to study defects in vitamin B12 absorption because cobalt is the metallic atom at the center of the vitamin B12 molecule. The nuclear synthesis of this cobalt isotope involves a three-step process. The overall reactio..
The table below gives the enthalpy of benzene(1)-heptane(2) solutions at 20 °C 1 bar as a function of the mol fraction of benzene. Calculate and plot the excess enthalpy at 20 °C, 1 bar.
Figure shows an x-ray diffraction pattern for a-iron taken using a diffract meter and monochromatic x-radiation having a wavelength of 0.1542 nm; each diffraction peak on the pattern has been indexed.
Charge is uniformly distributed around a ring of radius R= 2.40cm and the resulting electric field magnitude E is measured along the ring's central axis (perpendicular to the plane of the ring).
A natural rubber compounded is proposed for a bushing application. Stress analysis indicates that the structure requires a tensile modulus of 5 Mpa. In terms of percentage, how much dicumyl peroxide must be used in the compound to achieve the desired..
What is the potential difference between the starting point and the top point of the trajectory?
Describe the major technical areas involved in engineering a new biomaterial such as a contact lens. Are there differences with other biomaterial based products?
Given the reaction 2N0, + - 0, = N205, what is the relation between2the rates of formation and disappearance of the three reaction components?
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