Chemistry, 18.12.2019 18:31 22savage2017
The solubility of oxygen in lakes high in the rocky mountains is affected by the altitude. if the solubility of o 2 from the air is 2.67 × 10 –4 m at sea level and 25°c, what is the solubility of o 2 at an elevation of 12,000 ft where the atmospheric pressure is 0.657 atm?
assume the temperature is 25°c, and that the mole fraction of o 2 in air is 0.209 at both 12,000 ft and at sea level. 1.75 × 10–4 m 2.67 × 10–4 m 3.66 × 10–5 m 4.06 × 10–4 m
Answers: 3
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Two nitro no2 groups are chemically bonded to a patch of surface. they can't move to another location on the surface, but they can rotate (see sketch at right). it turns out that the amount of rotational kinetic energy each no2 group can have is required to be a multiple of ε, where =ε×1.010−24 j. in other words, each no2 group could have ε of rotational kinetic energy, or 2ε, or 3ε, and so forth — but it cannot have just any old amount of rotational kinetic energy. suppose the total rotational kinetic energy in this system is initially known to be 32ε. then, some heat is removed from the system, and the total rotational kinetic energy falls to 18ε. calculate the change in entropy. round your answer to 3 significant digits, and be sure it has the correct unit symbol.
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Answer explain why it is not possible to deduce a complete order of reactivity.
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Chemistry, 22.06.2019 15:30
Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.
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The solubility of oxygen in lakes high in the rocky mountains is affected by the altitude. if the so...
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