What is a calorimeter ?

What is a calorimeter ?
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Answer :

A simple calorimeter is used to diagnose acid-base mitigation enthalpy. The common calorimeter is a glass beaker , which is housed in another large glass beaker. The space between the two beakers is filled with heat-conducting material such as cotton , to reduce the amount of heat loss. The beaker has a lid with two holes in the mouth. A glass beaker is inserted through a hole and a thermometer is inserted through another hole.
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calorimeter Principles What ?

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