Dos objetos sólidos, A y B, se colocan en agua en ebullición...

Dos objetos sólidos, A y B, se colocan en agua en ebullición y se permite que alcancen la temperatura del agua. Después, se sacan y se colocan cada uno en un vaso que contiene $1000 \mathrm{~g}$ de agua a $10.0^{\circ} \mathrm{C}$. El objeto A eleva la temperatura del agua en $3.50^{\circ} \mathrm{C}$; el objeto B eleva la temperatura del agua en $2.60^{\circ} \mathrm{C}$. (a) ¿Cuál objeto tiene mayor capacidad calorífica? (b) ¿Qué puede decir acerca de los calores específicos de $\mathrm{A}$ y $\mathrm{B}$ ?

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Key Concepts

Heat Capacity

Heat capacity is a measure of the amount of thermal energy a substance or object can store per degree change in temperature. It depends on the overall mass and the material's intrinsic properties, and it indicates how resistant an object is to changing its temperature when energy is added or removed.

Specific Heat Capacity

Specific heat capacity is defined as the amount of heat required to raise the temperature of a unit mass of a substance by one degree Celsius. It is an intrinsic property of the material and provides insight into how efficiently a substance can absorb or release thermal energy.

Conservation of Energy in Heat Transfer

The principle of conservation of energy in heat transfer states that the total energy in an isolated system remains constant, meaning that any heat lost by a hot object must be gained by a cooler one until thermal equilibrium is achieved. This concept is applied in calorimetry to determine unknown heat capacities or specific heats.

Thermal Equilibrium

Thermal equilibrium is the state reached when two objects in thermal contact no longer exchange heat, meaning their temperatures become equal. This concept is crucial in understanding how heat transfer leads to the final uniform temperature observed in the system.

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