Physics, 29.07.2019 23:20 brandyrushing3
The first-order rearrangement of ch3nc is measured to have a rate constant of 3.61 × 10–15 s–1 at 298 k and a rate constant of 8.66 × 10–7 s–1 at 425 k. determine the activation energy for this reaction.
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Carbon-14 is a radioactive element that undergoes beta decay. which force is responsible for allowing carbon-14 to become stable? electromagnetic gravitational weak nuclear strong nuclear
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Asteam power plant operates on an ideal reheat rankine cycle between the pressure limits of 15 mpa and 10 kpa. the mass flow rate of steam through the cycle is 12 kg/s. steam enters both stages of the turbine at 500°c. if the moisture content of the steam at the exit of the low-pressure turbine is not to exceed 10 percent, determine (a) the pressure at which reheating takes place, (b) the total rate of heat input in the boiler, and (c) the thermal efficiency of the cycle. also, show the cycle on a t-s diagram with respect to the saturation lines. (2.15 mpa; 45.0 mw; 42.6%)
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Ihave this 50 question test the layer of earth's atmosphere where atoms and molecules escape into space is referred to as the a) exosphere b) ionosphere. c) mesosphere d) thermosphere
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The first-order rearrangement of ch3nc is measured to have a rate constant of 3.61 × 10–15 s–1 at 29...
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