The Styrofoam cup calorimeter (used in our lab), although agood insulator, absor

Question

The Styrofoam cup calorimeter (used in our lab), although agood insulator, absorbs some heat when the system is above roomtemperature. How does this affect the reported Hrif a glass container was used instead? Would the reported values be higher or lower than the acceptedvalue? The Styrofoam cup calorimeter (used in our lab), although agood insulator, absorbs some heat when the system is above roomtemperature. How does this affect the reported Hrif a glass container was used instead? Would the reported values be higher or lower than the acceptedvalue?

Explanation / Answer

The reported values would be slightly lower than the acceptedvalue, but the difference should be so minimal that it will not bea major concern. ~~~ Reason:: styrofoam is a fairly absorbant substance and will absorb someof the heat used toward freezing and thus make a slight differencewhen determining the enthalpy (H). Glass is veryreliable in that it is unaffected by changes in temperature for themost part. ~~~ Hope this helps!!! If you need a more in depth reason just let me know!

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