Chemistry
Chemistry, 22.09.2020 15:01, ohartshorn1599

The easiest way to determine whether a process is exothermic or endothermic is to note the change in temperature in a calorimeter; a positive temperature change indicates an exothermic process while a negative temperature change indicates an endothermic process. Select the Experiment tab in the Simulation, and then click Run Demonstration. Perform the described tasks while specifically focusing on the third demonstration, where LiCl is dissolved in water, paying attention to the temperature change and the microscopic view. Match the words in the left column to the appropriate blanks in the sentences on the right.

slower
higher
exothermic
endothermic
lower
faster
lost
gained
surroundings
system
In the calorimeter, water is the . The salt LiCl, which will dissolve, is the .

. The salt LiCl, which will dissolve, is the .
The final temperature of the water after the dissolution of LiCl was than the initial temperature, meaning the process is

In the microscopic view of the dissolution of LiCl, water molecules were seen to move as they energy.

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