Calculate the Heat Released When 25

question 39

Multiple Choice

Calculate the heat released when 25.0 g of steam at 100.0 °C cools to ice at 0.0 °C.The specific heat of water is 1.00 cal/(g x °C) ;the heat of fusion is 80.0 cal/g;and the heat of vaporization is 540.0 cal/g.

• A)4.50 x 103 cal
• B)1.35 x 104 cal
• C)1.55 x 104 cal
• D)1.60 x 104 cal
• E)1.80 x 104 cal

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Definitions:

Cerebellum

A brain structure located underneath the cerebrum at the back of the skull, important for coordinating voluntary movements and maintaining balance and posture.

Pons

A part of the brainstem that links the medulla oblongata and the thalamus, playing a crucial role in the control of breathing, communication between different parts of the brain, and sensations such as hearing and taste.

Sagittal

Pertaining to or in a plane that divides the body into right and left parts, generally used in anatomical descriptions.