Physics, 29.11.2019 05:31, nickocasamplonp6mlob
Astudent performs a reaction twice. in the second trial, he increases the temperature of the reaction and notes that the reaction happens more quickly. the student concludes that this means the reaction was endothermic. what is wrong with the student's reasoning? a. higher temperature increases reaction rates for both endothermic and exothermic reactions. b.an endothermic reaction would not speed up at higher temperatures. c.temperature does not affect the rate of a reaction. d.the higher temperature in the second trial actually lowered the activation energy of the reaction.
Answers: 1
Physics, 21.06.2019 20:30, LunaSpellman
Which statement best describes how private industry decides where to spend the money on research and development
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Physics, 22.06.2019 03:00, thebigman7993
The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f
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Physics, 22.06.2019 05:10, zionnahl
Total solidification times of three casting geometries are to be compared: a sphere, a cylinder, in which the length-to-diameter ration - 1.0, and a cube. volume = 1000 cm^3 for all three shhapes, and the same casting alloy is used. a) determine the solidification times of each geometry b) based on the results of part (a), which geometric element would make the best riser? c) if the mold constant = 3.5 min/cm^2 in chvorinov's rule, compute the total solidification time for each casting.
Answers: 3
Physics, 22.06.2019 15:20, ineedhelp2285
Aphoton is absorbed by an electron that is in the n = 3 state of a hydrogen atom, causing the hydrogen atom to become ionized. very far away from the nucleus, the released electron has a velocity of 750,000 m/s. what was the wavelength of the absorbed photon?
Answers: 2
Astudent performs a reaction twice. in the second trial, he increases the temperature of the reactio...
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