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Calculate the standard enthalpy change for the fusion of 25 grams of ice at -10°C to liquid water at 20°C. The specific heat capacity of ice is 2.09 J/g°C, the specific heat capacity of water is 4.18 J/g°C, and the enthalpy of fusion of water is 6.01 kJ/mol.
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Feb 3
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Chemical thermodynamics
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64
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How can liquid chromatography be optimized to detect and quantify trace amounts of a specific compound in a complex mixture?
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Jan 29
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Analytical Chemistry
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What is the product of the electrophilic addition reaction between propene and hydrogen chloride?
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Jan 21
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Organic Chemistry
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30
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Who first coined the term 'placebo'?
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Jan 20
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Psychology
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26
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What is the difference between acute stress disorder and post-traumatic stress disorder?
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Jan 17
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Psychology
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The kinetic energy of molecules is generally proportionate to what other property that they have?
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Jan 2
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Science
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51
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Snails, scallops, and squids are examples of invertebrates called what?
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Dec 31, 2024
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Science
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32
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Osmosis is driven by the imbalance of what?
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Dec 31, 2024
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Science
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