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Heat of Formation
Title: Heat of Formation
Category: Science & Technology / Chemistry
Details: Words: 992 | Pages: 4.2 (approximately 235 words/page)
Heat of Formation
Purpose
*<Tab/>to verify that heat is released when a new bond is formed
*<Tab/>to calculate the amount of heat (cal/g) released when CuSO4 is hydrated by applying the specific heat formula (mass (g) x Δt&deg;C x Cp)
CuSO4(s) + 5H2O(l)  CuSO4*5&not;&not;H2O(s)
Materials
*<Tab/>…showed first 75 words of 992 total…
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…showed last 75 words of 992 total…amp;gt;The more H2O attached to the CuSO4 the darker shade of blue it is.
3.<Tab/>Water moisture from the air will attach to anhydrous CuSO4
Results
When 6 g of anhydrous cupric sulfate was hydrated, 44 calories of heat were released. This resulted in a 33% error.
Conclusion
When lab procedural mistakes are avoided, the amount of heat released when a crystal is hydrated can be determined by this lab method.
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