Which enthalpy of reaction cannot be determined by glass calorimeter?
Correct answer: D. Enthalpy of combustion
- A. Enthalpy of formation
- B. Enthalpy of neutralization
- C. Enthalpy of solution
- D. Enthalpy of combustion
Explanation
Enthalpy of formation, enthalpy of neutralization and enthalpy of solution can be determined by glass calorimeter. Enthalpy of combustion can be determined by bomb calorimeter.The enthalpy of combustion is the heat released when a substance reacts with oxygen to form products, usually carbon dioxide and water. This type of reaction typically involves a rapid release of heat and might involve flames. Glass calorimeters are not ideal for such reactions, as they may not be able to effectively contain and measure the heat and pressure changes, especially for highly exothermic reactions.
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About Enthalpy
Enthalpy is the heat content of a system measured at constant pressure, and its change indicates whether a reaction or physical process is endothermic or exothermic. The topic covers state functions, enthalpy diagrams, standard enthalpy of formation, combustion and neutralisation, and the relationship between ΔH and internal energy change.
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