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

Apply hypothesis testing in the context of linear regression, including tests for the slope and intercept.

Interpret statistical software output for regression analysis.

Explain the relationship between explanatory and response variables in a regression model.

Understand the concept of prediction intervals within the context of regression analysis.

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