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Flashcards in Calorimetry Notes Deck (10):
1

How can you measure the amount of heat released when a match burns?

The concept of specific heat allows you to measure heat flow in chemical and physical process

2

What is the measurement of the heat flow into or out of a system for chemical and physical process?

Calorimetry

3

The insulated device used to measure the absorption or release of heat in chemical or physical process is called?

Calorimeter

4

Most chemical reactions and physical changes carried out in the laboratory are open to the atmosphere and thus occur at?

Constant pressure

5

Accounts for the heat flow of the system at constant pressure

Enthalpy(H)

6

How can you measure the change in enthalpy of a reaction?

By measuring the heat flow of the reaction at constant pressure

7

To measure the enthalpy change for a reaction in aqueous solution. In a foam cup calorimeter you must

Dissolve the reacting chemicals (system) in known volumes of water (the surrounding)

8

Measure the _______________ temperature

Initial

9

After a reaction is complete measure the __________ temperature

Final

10

The sign of H is ______________for and endothermic reaction and _____________ reaction
If the sign is + it's ending; - exo

Positive
Negative