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Calculate the enthalpy of polymerization for the reaction of ethylene (C2H4) to polyethylene (C2H4)n, given that the enthalpy of combustion for ethylene is -1411 kJ/mol and the number of moles of ethylene used in the reaction is 4.5 mol. Assume that the reaction is exothermic and that the enthalpy change is constant over the extent of the reaction.
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Jan 23
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ThermoChemistry
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Where does the term 'existential vacuum' come from?
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Jan 20
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Psychology
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Who introduced the concept of Self-Transcendence?
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Jan 15
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Psychology
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Whether the organism is a bacterium, plant, or animal, all living things access energy by breaking down these?
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Jan 8
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Science
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37
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What glands in the breast secrete milk?
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Jan 6
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Science
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Atmospheric pressure is increased, causing a greater amount of oxygen than normal to diffuse into the bloodstream of the patient, in what type of therapy?
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Dec 30, 2024
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Science
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