Questions: Which statement best defines specific heat? The amount of heat required to increase the temperature of 1 mol of a substance by 1°C. The amount of heat required to increase the temperature of a specific object, such as a calorimeter, by 1°C. The amount of heat required to increase the temperature of 1 L of a substance by 1°C. The amount of heat required to increase the temperature of 1 g of a substance by 1°C.

Which statement best defines specific heat? The amount of heat required to increase the temperature of 1 mol of a substance by 1°C. The amount of heat required to increase the temperature of a specific object, such as a calorimeter, by 1°C. The amount of heat required to increase the temperature of 1 L of a substance by 1°C. The amount of heat required to increase the temperature of 1 g of a substance by 1°C.
Transcript text: Which statement best defines specific heat? The amount of heat required to increase the temperature of 1 mol of a substance by $1^{\circ} \mathrm{C}$. The amount of heat required to increase the temperature of a specific object, such as a calorimeter, by $1^{\circ} \mathrm{C}$. The amount of heat required to increase the temperature of 1 L of a substance by $1^{\circ} \mathrm{C}$. The amount of heat required to increase the temperature of 1 g of a substance by $1^{\circ} \mathrm{C}$.
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Solution

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Solution Steps

Step 1: Identify the Definition of Specific Heat

Specific heat is defined as the amount of heat required to raise the temperature of a unit mass of a substance by one degree Celsius.

Step 2: Analyze Each Option
  • The first option mentions 1 mol of a substance, which refers to molar heat capacity, not specific heat.
  • The second option refers to a specific object, such as a calorimeter, which is not related to specific heat.
  • The third option mentions 1 L of a substance, which is related to volumetric heat capacity, not specific heat.
  • The fourth option mentions 1 g of a substance, which aligns with the definition of specific heat.

Final Answer

\(\boxed{\text{The amount of heat required to increase the temperature of 1 g of a substance by } 1^{\circ} \mathrm{C}.}\)

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