Physics, 30.08.2019 14:00 dameiranderson
Last week you determined what wavelength of light works best for measuring p-nitrophenol in solution using a spectrophotometer. you then determined the extinction coefficient for p-nitrophenol in solution. what is the third parameter we will optimize for our protocol before we go on to our actual experiment?
Answers: 1
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If gases like carbon dioxide and methane make up less than 1% of the total atmosphere, why is it important for scientists to monitor changes in percentages of these gases?
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Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.
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Which of these statements is true? a. quarks pair with leptons to form protons and neutrons. b. quarks pair with bosons to form photons. c. quarks pair with photons to form protons and neutrons. d. quarks pair with other quarks to form protons and neutrons. e. quarks pair with electrons to form protons.
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How many meters will a car travel if its speed is 45 m/s in an interval of 11 seconds? question 2 options: a) 450 meters b) 495 meters c) 4.09 meters d) 498 meters
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Last week you determined what wavelength of light works best for measuring p-nitrophenol in solution...
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