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User RosariaLomba
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How does the chemical structure of different polymer-based packaging materials affect their environmental impact in terms of biodegradability and sustainability?
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3 days
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Polymer Chemistry
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42
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How can the synthesis and characterization of new materials be optimized to improve the efficiency of solar cells?
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Feb 11
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Materials Chemistry
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69
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What are some effective study strategies for a chemistry student to better prepare for exams and overcome the challenge of inadequate preparation?
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Jan 30
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Chemical education
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67
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Calculate the enthalpy change for the reaction: 2H₂(g) + O₂(g) → 2H₂O(g) The enthalpy of formation of H₂O is -242 kJ/mol, and the enthalpy of formation of O₂ is 0 kJ/mol.
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Jan 23
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ThermoChemistry
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65
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According to Kahneman and Tversky's research on framing effects, what is an example of a framing effect?
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Jan 20
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Psychology
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36
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Where did Maslow's Hierarchy of Needs originate?
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Jan 15
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Psychology
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32
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According to the Trait Theory, what are the key characteristics of personality?
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Jan 15
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Psychology
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49
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What is the cutting and burning trees to clear land for farming called?
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Jan 6
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Science
1
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57
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The lungs are a series of ever-narrowing tubes that end in a myriad of tiny sacs called what?
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Jan 2
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Science
1
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38
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The average length of a woman’s menstrual cycle is what?
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Dec 31, 2024
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Science
1
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16
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Ionic, molecular, covalent, and metallic are major types of what state of matter?
asked
Dec 31, 2024
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Science
1
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13
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Cellular respiration brings hydrogen and oxygen together to form what?
answered
Dec 27, 2024
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Science
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