Styrene, C₈H₈, Is One of the Substances Used in the Production

question 45

Multiple Choice

Styrene, C₈H₈, is one of the substances used in the production of synthetic rubber. When styrene burns in oxygen to form carbon dioxide and liquid water under standard-state conditions at 25°C, 42.15 kJ are released per gram of styrene. Find the standard enthalpy of formation of styrene at 25°C. ΔH°_f(CO₂(g) ) = -393.5 kJ/mol, ΔH°_f(H₂O(l) ) = -285.8 kJ/mol

• A) -4390 kJ/mol
• B) -1044 kJ/mol
• C) -8681 kJ/mol
• D) +99 kJ/mol
• E) +637 kJ/mol

Describe the structural changes in neurons that occur due to learning.

Explain the concept of neural plasticity and its role in learning.

Illustrate how animals use memory to perform specific tasks.

Discuss the Aplysia as a model for studying basic neural mechanisms of learning.

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The cost at which rival businesses offer similar goods or services in the market.

Potential Competitors

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