Chemistry, 27.07.2019 11:00 live4dramaoy0yf9
Young's experiment is performed with light from excited helium atoms (λ = 496 nm). fringes are measured carefully on a screen 1.25 m away from the double slit, and the center of the twentieth fringe (not counting the central bright fringe) is found to be 10.6 mm from the center of the central bright fringe. what is the separation of the two slits?
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Identify a strong intermolecular force of attraction between an alcohol
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Suppose the universe were completely empty except for one object-a solid sphere moving through space of 100 km/s. what sort of path would the object be moving in? explain your answer
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Chemistry, 23.06.2019 08:30
Plz a person walks 1 mile every day for exercise, leaving her front porch at 9 am and returning to her front porch at 9: 25 am what was the total displacement of her daily walk a. 1 mile b. 0 c. 25 min d. none of the above
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Chemistry, 23.06.2019 13:00
Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
Answers: 1
Young's experiment is performed with light from excited helium atoms (λ = 496 nm). fringes are measu...
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