A 01326 G Sample of Magnesium Was Burned in an Oxygen

question 17

Multiple Choice

A 0.1326 g sample of magnesium was burned in an oxygen bomb calorimeter. The total heat capacity of the calorimeter plus water was 5,760 J/°C. If the temperature rise of the calorimeter with water was 0.570°C, calculate the enthalpy of combustion of magnesium. Mg(s) + 1/2O₂(g) $\rarr$ MgO(s)

• A)-3280 kJ/mol
• B)-24.8 kJ/mol
• C)435 kJ/mol
• D)106 kJ/mol
• E)-602 kJ/mol

Recognize and apply the processes that enhance effective communication.

Identify the roles individuals play in various communication scenarios.

Grasp the importance of adapting communication strategies to audience needs.

Comprehend the sophisticated nature of human communication beyond mere message exchange.

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A controversial belief asserting that some races or ethnic groups are inherently superior to others based on genetic or physical traits.

Samuel Morton

A 19th-century American physician and scientist known for his controversial studies and publications on craniometry, which he used to support theories of racial differences.