The Specific Heat of Ice Is 2

question 66

Multiple Choice

The specific heat of ice is 2.10 kJ/kg °C, the heat of fusion for ice at 0 °C is 333.7 kJ/kg, the specific heat of water 4.186 kJ/kg °C, and the heat of vaporization of water at 100 °C is 2,256 kJ/kg. What is the final equilibrium temperature when 5.00 grams of ice at −15.0 °C is mixed with 40.0 grams of water at 75.0 °C?

• A) 57.0 °C
• B) 28.3 °C
• C) 20.9 °C
• D) 18.6 °C
• E) 16.1 °C

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Definitions:

Electrical Phenomenon

Events or processes that involve the movement or interaction of electric charges.

Action Potential

is a rapid increase and subsequent decrease in voltage across a cellular membrane, typically in a neuron, that occurs when a neuron sends information down an axon.

Peak Voltage

The maximum absolute value of voltage in a periodic waveform, indicating the highest point the voltage reaches.

Persisting Positive Charge

A lasting electrical charge characterized by an excess of protons, often seen in certain particles or materials.