The Value of ΔH° for the Reaction Below Is -1107

question 115

Multiple Choice

The value of ΔH° for the reaction below is -1107 kJ: 2Ba (s) + O₂ (g) → 2BaO (s)
How many kJ of heat are released when 5.75 g of BaO (s) is produced?

• A)56.9
• B)23.2
• C)20.8
• D)193
• E)96.3

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Definitions:

Hydrogen Ions

Protons or atoms of hydrogen that have lost their electron, thus carrying a positive electric charge.

ATP Molecules

Adenosine triphosphate molecules, which are the primary energy carrier in all living organisms, providing energy for cellular processes.

CAM Plants

Plants using Crassulacean Acid Metabolism, a photosynthetic pathway that conserves water by opening stomata at night.

Calvin-Benson Cycle

A series of biochemical redox reactions taking place in the stroma of chloroplasts in photosynthetic organisms, crucial in fixing carbon from CO2 into organic compounds.