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Calculate the standard enthalpy change (in kJ/mol) for the reaction of hydrochloric acid (HCl) and sodium hydroxide (NaOH) to form sodium chloride (NaCl) and water (H2O), given the following balanced chemical equation:HCl (aq) + NaOH (aq) → NaCl (aq) + H2O (l)Assume the reaction takes place under standard conditions (298 K and 1 atm pressure) and that all solutions have a concentration of 1.0 M. The standard enthalpies of formation for HCl (aq), NaOH (aq), NaCl (aq), and H2O (l) are -92.31 kJ/mol, -469.14 kJ/mol, -407.76 kJ/mol, and -285.83 kJ/mol, respectively.
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Feb 3
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Chemical thermodynamics
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What are some effective study strategies that can help a chemistry student better understand complex chemical concepts, such as spectroscopy or thermodynamics?
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Jan 30
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Chemical education
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25
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Why is peer review important for theory evaluation?
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Jan 16
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Psychology
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21
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How do cognitive processes such as attention and memory impact behaviour?
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Jan 16
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Psychology
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35
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What are the benefits of using theoretical frameworks in clinical psychology?
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Jan 16
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Psychology
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18
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What is the autokinetic effect?
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Jan 16
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Psychology
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9
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Please list some contributions of the patient HM case study to our understanding of memory.
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Jan 15
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Psychology
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9
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Why is resilience considered as an important factor in positive psychology?
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Jan 15
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Psychology
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34
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When flagellated sperm must swim to the egg, sexual reproduction requires the presence of what substance?
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Jan 8
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Science
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43
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What are groups of tens to hundreds of thousands of stars held tightly together by gravity called?
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Jan 3
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Science
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42
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Grasses such as wheat, rice, and corn are examples of fibrous root systems. fibrous root systems are found in monocots; tap root systems are found in these?
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Dec 30, 2024
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Science
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10
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Chains of small molecules called nucleotides make up what?
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Dec 30, 2024
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Science
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13
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A group of living things and their environment is called what?
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Dec 30, 2024
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Science
1
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56
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What do drugs that alleviate symptoms of schizophrenia block?
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Dec 27, 2024
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Science
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