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Some of the most powerful lasers are based on the energy levels of neodymium in solids, such as glass. What wavelength of light is emitted when electrons transition from an energy level of 1. 67 ev to 0. 50 ev?.
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"Reduce the quadratic form 2yz^2+2xz+2xy to canonical form by anorthogonal transformation and also find rank, index andsignature."
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helpppp me please.
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Bailey got sick and heard that he should gargle salt water to help his throat. He adds 25g of salt(NaCl) to a cup with 250mL of water(H2O). What is the concentration of this salt water in mol/L? Sodium has atomic mass 22. 99g/mol and chlorine has atomic mass 35. 45g/mol
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6. How many moles are in 2. 65x10 22 atoms of carbon? 7. How many moles are in 1. 79x10 25 molecules of ammonia?
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Need help on question b- the question is attached in the photo.
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Rita puts $10,000 into each of two different assets. the first asset pays 10 percent interest and the second pays 5 percent. according to the rule of 70, what is the approximate difference in the value of the two assets after 14 years?a. $15,500. b. $20,000.c. $12,000.d. $14,000.
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Which are potential sources of error in the experiment? Check all that apply. estimating temperature to the nearest tenth of a degree estimating the mass of the sample to the nearest tenth of a gram estimating the thickness of the foam cups the position of the cups of sand and water under the heat lamp the brand of light bulb used for the heat lamp the air temperature outside the lab
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1. write the equation for each line that passes through (1, 2) and has a) slope 2/3 b) undefined slope c) m = 0 d) point (2, 3) also on the line
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Citibank need to borrow $1 million for 6 months starting in 2 years. Citibank is concerned about the interest rate would like to lock in the interest rate it pays by going long an FRA with Bank of America. The FRA specifies that Citibank will borrow at a fixed rate of 0. 03 for 6 months on $1 million in 2 years. If the 6 months LIBOR rate proves to be 0. 1. Then to settle the FRA, what is the cash flow to Citibank at the end of 2 years
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What was the result of the Watergate scandal?Americans became politically disillusioned. The president was impeached. Congress censured the president. Only Democratic presidents were elected through the 1990s
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in the lighthouse by Henry Wadsworth Longfellow analyze the impact of the speakers use of figurative language on the meaning of the poem?
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What is the area of the shaded part of the figure if =14 ft?Use 3.14 to approximate
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A gardening club records the number of new plants each member planted in amonth. Create a histogram to show the data distribution for the number of newplants. Show your work. 26810New Plants This Month. 12. 1416
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PLEASE HELP TIMED!1. By the end of the 2nd trimester, the baby's skeleton is:A. HardB. SoftC. Just beginning to formD. None of the above2. When is the baby called an embryoA. 7-9 monthsB. 4-6 monthsC. 1-7 daysD. 10 days to 8 weeks3. Which of the following stages is a blastula/ blastocyst?A. 0-4 daysB. 9-40 weeksC. 7-9 daysD. 5-7 days3. Which of the following stages is a morula?A. 0-4 daysB. 9-40 weeksC. 7-9 daysD. 5-7 days4. When does the placenta begin to form?A. 10-15 daysB. 9-40 weeksC. 7-9 daysD. 5-7 days
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how did kim davis deny others civil rights?
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A group of workers takes 4 1/2 days to plant 5 1/4 acres. What is the unit rate in acres per day?Write your answer as a fraction or a mixed number in simplest form. Answer would be: 1 1/6
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David is setting up camp with his friend Xavier. David and Xavier want to place their tents equal distance to the ranch where the mess hall is. A model is shown, where points D and X represent the locationtents and point R represents the ranch. DR = (12.3z + 12.4) meters (m) and XR= (10.5z+34) m.DXRWhat is the distance Xavier and David are from the ranch?
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9. Explain how the mobile and stationary phases influence how far the dna fragments travel.
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Which option best describes the water cycle?A.The cycling of water through a living organism over the organism's lifetimeB.The flow of water through the biosphere, atmosphere, lithosphere, and hydrosphereC.The cycling of thermal energy through rain, snow, and other forms of precipitationD.The flow of thermal energy, water, and salts through the ocean conveyor belt
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What common name is given to group 0 elements of the periodic table
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From ""long live langston"" what does it ""you dipped into the muddy waters of the harlem river and shouted taste and see that we black folk be good at fanning hope and stoking the fires of dreams deferred."" mean? what does it tell about that person who is saying that
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How many barrels of oil are in the strategic oil reserve.
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que canciones de reggeton tienen aliteracion?
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