A 20-Kg Ice Cube at 0 $70.0 ^ { \circ } \mathrm { C }$

question 8

Multiple Choice

A .20-kg ice cube at 0.0°C has sufficient heat added to it to cause total melting, and the resulting water is heated to $70.0 ^ { \circ } \mathrm { C }$ How much heat is added? For water L_F = 334,000 J/kg, L_V = 2.256 × 10⁶ J/kg, the c = 4.186 x 10³ J/kg ∙ C.

• A) 130 kJ
• B) 14,000 kJ
• C) 81 kJ
• D) 59 kJ

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Definitions:

Retina

Photoreceptor-containing layer of tissue in an eye.

Olfactory Receptors

Olfactory receptors are specialized proteins located in the olfactory epithelium that detect and respond to odor molecules, allowing for the sense of smell.

Smell

The sensory perception of odors or scents, detected by the olfactory system in the nose.

Mechanoreceptors

Mechanoreceptors are sensory receptors that respond to mechanical pressure or distortion, involved in sensations such as touch, pressure, and sound.