Chemistry, 21.04.2020 17:18 mahalabear8120
One mole of an ideal gas at 25°C is expanded isothermally from 5.0 L to 10.0 L under such conditions that no work is produced in the surroundings. Which statement is correct? A. ΔSuniv = 0 B. ΔSgas = Rln2/298 C. ΔSgas = ΔSsurr D. ΔSsurr = 0 E. ΔSgas = 0
Answers: 1
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The peak wavelength for the blackbody curve of a star is in the uv range. assuming the radiation from this star can reach earth, would you be able to see it?
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Chemistry, 22.06.2019 06:00
This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light
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Chemistry, 22.06.2019 23:00
What is the average rate of the reaction between 10 and 20 s?
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In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 4.20 mol fe and 6.70 mol nio(oh) react?
Answers: 3
One mole of an ideal gas at 25°C is expanded isothermally from 5.0 L to 10.0 L under such conditions...
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