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Calculate the standard enthalpy of formation of methane (CH4) given the following enthalpy data: C(graphite) + 2H2(g) → CH4(g) ΔH° = -74.8 kJ/mol ΔH°f[C(graphite)] = 0 kJ/molΔH°f[H2(g)] = 0 kJ/mol (Hint: Use Hess's Law and the fact that the standard enthalpy of formation of an element in its most stable state is zero.)
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ThermoChemistry
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How do chaperone proteins assist in the folding of newly synthesized polypeptides?
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2 days
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BioChemistry
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50
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How can the concentration of a certain metal ion be determined in a given sample using polarography, and how does the choice of supporting electrolyte affect the precision and accuracy of the results?
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Jan 29
in
Analytical Chemistry
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15
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When was the Self-Care Assessment developed?
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Jan 20
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Psychology
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34
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According to Freud, when does the latency stage of psychosexual development occur?
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Jan 20
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Psychology
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3
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When evaluating a theory of memory, what is the difference between short-term and long-term memory?
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Jan 16
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Psychology
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1
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42
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How has metapsychology evolved over time?
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Jan 16
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Psychology
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1
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18
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What is the impact of culture on adolescent development?
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Jan 14
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Psychology
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1
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6
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How do social-learning theories explain the development of gender identity?
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Jan 13
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Psychology
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1
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53
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Which type of glaciers form in high mountains and travel through valleys?
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Jan 8
in
Science
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23
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What is the stored food in a seed called?
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Jan 7
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Science
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33
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What is beyond the atmosphere?
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Jan 6
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Science
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25
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Dinosaurs filled the niches that mammals fill today during which era?
asked
Dec 30, 2024
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Science
0
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1
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37
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Blood enters the kidney through the which artery?
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Dec 30, 2024
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Science
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