How much energy is liberated when 366 g of mercury cools
how much energy is liberated when 366 g of mercury (c=0.139j/g degrees celsius)cools from 77.0 to 12.0 degrees celsius?
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A clean nickel surface is exposed to light of wavelength of 235nm. What is the maximum speed of the photoelectrons emitted from this surface. The work function for nickel is =5.1 eV. Answer: 2.5x105 m/s The threshold of dark-adapted (scotopic)
How many moles of phosphine (PH3) are produced for every 4.0 moles of hydrogen that react according to the chemical equation below? Hint: Mole-Mole Cal.
Determine the maximum displacement of the plate A if the billet strikes the plate with a speed of 8 . Neglect the mass of the springs, rollers and the plates A and B. Take = 4000 , = 40000.
Aluminium is a trivalent element with atomic weight of 27 gm/mole and density of 2.7*103 kg/m3, with a mean free time between electronic collissions of 4*10-14s. Calculate the current that flows in a 10m long AL wire that has a 1 mm2 cross sec
Write a chemical equation for this process, which occurs in an acidic environment. (b) Estimate the values of E⊕, ΔrG⊕, and K for the reaction at 25°C.
The long-term average January precipitation in the Colorado River basin is 1.11 inches, with a standard deviation of 0.60 inches. Assuming a normal distribution, what is the probability that less than 0.5 inches of precipitation will occur in any Jan
Solved java source code the size of the side of a square, then displays a hollow square of that size made of asterisks. Your program should work for squares of all side lengths between 1 and 20.
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Students will be asked to review a Film, Mini-series, Play, Novel, etc. for its historical context, accuracy, and significance.
Read the two newspaper articles about the Triangle Shirtwaist Factory Fire. Once you've read them, write an analysis of the articles which presents an argument
Identify your county public health department in the community in which you reside or nearby. List 5 programs offered by your county public health agency.
As part of your Applied History Project, the first assignment requirement expects students to write and submit a topic proposal.
How did the African American civil rights movement evolve in the late 50s and early 60s? What successes and setbacks did the movement encounter? Why?
The High Renaissance artists produced many remarkable portraits and established conventions for portraits that are still observed today.
In 300-500 words, compare and contrast da Vinci's and Tintoretto's paintings of The Last Supper. Analyze the stylistic choices made by both artists