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Question & Answer
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The substance has a high enthalpy of combustion
The substance is stable and has low energy content
The reaction absorbs heat from the surroundings
The calorimeter is malfunctioning
Understanding the Answer
Let's break down why this is correct
When a substance burns in a sealed bomb, it releases heat. Other options are incorrect because Thinking a stable substance gives a big temperature change is wrong; If heat were absorbed, the water would cool, not warm.
Key Concepts
Bomb Calorimetry
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Deep Dive: Bomb Calorimetry
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Definition
Bomb calorimetry is a method used in Chemistry to measure the energy released or absorbed during a combustion reaction. By burning compounds in a bomb calorimeter and analyzing the temperature change, chemists can calculate the energy stored in chemical bonds. This technique is essential for determining the heat of combustion and understanding the energy content of different molecules.
Topic Definition
Bomb calorimetry is a method used in Chemistry to measure the energy released or absorbed during a combustion reaction. By burning compounds in a bomb calorimeter and analyzing the temperature change, chemists can calculate the energy stored in chemical bonds. This technique is essential for determining the heat of combustion and understanding the energy content of different molecules.
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