Interpretation: A molecular-level explanation of why the temperatures of a cold soft drink and hot coffee in the same room eventually will be the same needs to be provided.
Concept introduction: Temperature is defined as the measure of the average kinetic energy of the particles. Also, temperature is the measure of the component’s random motions of a substance. So, it does not depend on the amount of substance.
Answer to Problem 8A
The temperatures of a cold soft drink and hot coffee in the same room eventually will be the same, because the particles present in hot coffee moves faster than the particles in cold soda which moves slower. This causes the fast-moving particles in the hot coffee to slow down particles in the cold soda to speed up.
Explanation of Solution
The temperatures of a cold soft drink and hot coffee in the same room eventually will be the same because despite the fact that the particles present in hot coffee moves faster than the particles in cold soda which moves slow at the same temperature. This causes the fast-moving particles in the hot coffee to slow down particles in the cold soda to speed up. Eventually, their temperature will be same as the temperature of the surrounding air.
The temperatures of a cold soft drink and hot coffee in the same room eventually will be the same.
Chapter 10 Solutions
World of Chemistry, 3rd edition
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