Determine the power input to the refrigerator
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One of the emission spectral lines for Be3+ has a wavelength of 253.4 nm for an electronic transmission that begins in the state with n = 5. What is the principal quantum number of the lower-energy state corresponding to this emission?
Implement a 4-bit adder/subtractor using the LPM_ADD_SUB megafunction in Quartus II in the file adder4c.bdf. The circuit is to have two 4-bit data inputs X and Y, and an add_sub control input. The X and Y data values are to be SIGNED. The circuit
The following half-reactions are used in the zinc-air battery. How much charge is transferred per gram Zn(s) in this voltaic cell?
A microphone is located on the line connecting two speakers that are 0.523 m apart and oscillating 180° out of phase. The microphone is 2.03 m from the midpoint of the two speakers. (a) What is the lowest frequency that produces an interferenc
At steady state, a refrigerator whose coefficient of performance is 3 removes energy by heat transfer from a freezer compartment at 0 degrees C at the rate of 6000 kJ/hr.
Weather trivia: The lowest ever recordedsea-level atmospheric pressure was 25.69 inches of Hg inside of typhoon Tip, on Octo- ber 12, 1979. If you had been unlucky enough to be inside of it, at sea level, on that date, what would have been t
Given the table below predict the numerical value of the standard cell potential for the reaction: 2 Cr(s) + 3 Cu2+(aq) → 2 Cr3+(aq) + 3 Cu(s)
The latent heat of vaporization of water is 577 J/kg. If a person's body needs to lose 345 J of energy through sweating, how many kilograms of water in the form of sweat must be evaporated?
A pump motor in an industrial plant will start only if temperature and pressure of liquid in a tank exceed a certain level.the temperature sensor and pressure sensor each produce a logic high output to turn the motor.draw the sympol and truth
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Most primates have good color vision. According to the video, color vision is particularly important to howler monkeys (genus: Alouatta) because
A wildlife conservation organization introduced a program to protect an endangered bird species by restricting human activity in certain areas
Discuss how agonal changes can affect the postmortem condition of the body. State the order of decomposition of body compounds
Problem 1: What are three characteristics of fungi? Problem 2: What is hyphae and mycelium? Problem 3: What are the characteristics of division Ascomycota?