How does change in amplitude affect wave-s frequency
A wave in the ocean has amplitude of 3m. winds pick up suddenly, increasing the wave's amplitude to 6m. how does the change in amplitude affect the wave's frequency and the amount of energy it transports?
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A student mixes 5.0 mL 2.00 x 10-3 M Fe(NO3)3 with 5.0 mL 2.00 x l0-3 M KSCN. She finds that in the equilibrium mixture the concentration of FeSCN2+ is 1.2 x l0-4 M. F
The pH of a 0.50M solution of a weak base is 11.4. What is the value of Kb for this base?
Dinitrogen pentoxide decomposes in the gas phase to form nitrogen dioxide and oxygen gas. The reaction is first order in dinitrogen pentoxide and has a half-life of 2.81 hours at 25 degrees Celcius.If a 1.3 L reaction vessel initially contains 750
Many years ago, well-known architect Frank Lloyd Wright designed a mile-high skyscraper, which has never been built. Suppose that in such a building, steam for the heating system enters a pipe at ground level as saturated vapor at 2
A 0.12M solution of a weak acid HA has pH = 2.49. What is the Ka of this acid?
if 25.00 cm3 of 0.1000M NaCl is mixed with 25.00 cm3 of 0.1000M AgNO3, what is the concentration of Ag+ remaining in solution? Is this sufficient to precipitate any silver chromate?
A student mixes 5.00 mL 2.00 x 10-3 M Fe(NO3)3, 2.50 mL 2.00 x 10-3 M KSCN, and 2.50 mL H2O to give a solution having a total volume of 10.00 mL. She finds that in the equilibrium mixture the concentration of FeSCN2+ is 7.50 x 10-5 M. What is the
Calculate the pH of a buffer made with 0.50M phosphoric acid and 0.75M sodium dihydrogenphosphate. Ka = 7.5 x 10-3.
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Discuss the origins of the modern system of surveillance for disease and how the task force should consider utilizing alternative sources of data
What steps can teachers take to design an aligned lesson plan from instruction to the test? How does the alignment impact learner outcomes?
Which of the following characteristics is consistent with evidence-based practice?
A 65-year-old man with rapid-cycling bipolar disorder is admitted to the hospital with dizziness, ataxia, and ophthalmoplegia.
Which is the correct number of tablets the nurse will administer if an order reads "Give 75 mg of Drug A orally" and the nurse has 25 mg per tablet
The nurse is assessing a 59 y/o male patient with CHF who was just admitted to the Medical-Surgical Unit. Which'of the following is not a manifestation of Left
Problem: Evidence-based practice guidelines are developed from which of the following?