Calcium Oxide and Water React in an Exothermic Reaction: CaO(s) $\rarr$

question 106

Multiple Choice

Calcium oxide and water react in an exothermic reaction: CaO(s) + H₂O(l) $\rarr$ Ca(OH) ₂(s) , $\Delta$ H ^$\circ$ _rxn = -64.8 kJ/mol.How much heat would be liberated when 7.15 g CaO(s) is dropped into a beaker containing 152g H₂O

• A) 1.97 * 10^-3 kJ
• B) 8.26 kJ
• C) 508 kJ
• D) 547 kJ
• E) 555 kJ

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Definitions:

Dynamic Training

A form of exercise that involves movement and activities designed to improve strength, speed, and functional mobility through variable resistance.

Muscle Contraction

The physiological process where muscles respond to stimuli and change in tension, leading to movement or maintenance of posture.

Constant Force

A force that remains unchanged in magnitude and direction over time.

Muscle Contraction

The activation of tension-generating sites within muscle fibers, essential for body movement and posture support.