Error in Calculation of EDissolution?

In summary, during the wet lab, the calculated Edissolution of a reaction resulted in a negative number despite the clear drop in temperature, indicating an endothermic reaction. However, the equation used (∆Edissolution = Ccup∆Tcup/mass of salt) does not account for the negative sign. This raises the question of whether the negative sign should be considered as a mere drop in temperature or as a factor contributing to the determination of whether the reaction is endothermic or exothermic. Can you please show us the calculation and explain your understanding of endothermic and exothermic reactions?
  • #1
Aileen Gordola
1
0
I calculated the Edissolution of a reaction and resulted in a negative number. However, during the wet lab the reaction was clearly endothermic since there was a drop in temperature. I used the equation:

∆Edissolution = Ccup∆Tcup/mass of salt

What is the reason for the negative number? Would i consider the negative sign as a mere drop in temperature and not as a factor contributing as to wether the reaction is endothermic or exothermic?
 
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  • #2
Aileen Gordola said:
I calculated the Edissolution of a reaction and resulted in a negative number.
Can you show us this calculation, please?
Aileen Gordola said:
wether the reaction is endothermic or exothermic?
What do you know about endothermic and exothermic reactions?
 

FAQ: Error in Calculation of EDissolution?

What is "Error in Calculation of EDissolution?"

Error in Calculation of EDissolution refers to the inaccuracy or mistake in determining the amount of energy required for a substance to dissolve in a solvent. It is an important factor to consider in various scientific experiments, as it can affect the reliability and validity of the results.

What causes error in the calculation of EDissolution?

There are various factors that can contribute to error in the calculation of EDissolution. Some common causes include human error, incorrect measurements or units, equipment malfunctions, and variations in experimental conditions such as temperature and pressure.

How can errors in EDissolution calculations be minimized?

To minimize errors in EDissolution calculations, it is important to carefully plan and execute the experiment, use accurate and calibrated equipment, and perform multiple trials to ensure consistency and identify any outliers. It is also important to double-check calculations and have a peer review the results.

What are the consequences of errors in EDissolution calculations?

Errors in EDissolution calculations can lead to inaccurate results and conclusions, which can have a significant impact on subsequent experiments or research. It can also lead to wasted time, resources, and potentially misleading findings.

How can errors in EDissolution calculations be corrected?

If errors in EDissolution calculations are identified, they can be corrected by re-running the experiment with more accurate methods, recalculating the results, or making adjustments to the experimental setup. It is important to thoroughly analyze and understand the source of the error in order to correct it effectively.

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