Wavelength of the radiation
The work function of a certain metal is 1.3*10^-18 J. Upon irradation with light of a given wavelength, electrons are ejected from the metal with a velocity of 3*10^6 m/s. what is the wavelength of the radiation.
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A reaction happens at two different temperatures. At the higher temperature the reaction takes 25 seconds, and at the lower temperature the reaction takes 125 seconds. What is the relationship between the rate constants for these two temperatures?
Adler Company manufactures a product with a unit variable cost of $50 and a unit sales price of $88. Fixed manufacturing costs were $240,000 when 10,000 units were produced and sold.
Describe how to prepare 2.0 liters of a .20 M NaOH solution from 50%. (w/w) Naoh solution that has a density of 1.53 g/mL, and doing all measurements by volume, not mass.
The taste of sour milk is lactic acid. What is the molecular formula for lactic acid if the percent composition is 40.00% of C, 6.71% of H, 53.29% of O and the approximate molar mass is 90 g/mol
Side Kicks has year-end account balances of Sales $808,900; Interest Revenue $13,500; Cost of Goods Sold $556,200; Operating Expenses $189,000; Income Tax Expense $35,100; and Dividends $18,900.
10.0 moles of NH3 and 10.0 moles of H2 are introduced into a 2.00 L flask. At equilibrium, 3.0 moles of NH3 gas remain. Calculate Kc for this reaction.
Calculate the net positive effect on the company's profit per device if the Electronics Division is required to supply the Clock Division with the circuit boards for $8.90 each?
Explain what was surprising about the observations and important conslusions derived from blackbody radiation, the photoelectric effect, and the hydrogen spectrum.
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