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Unformatted text preview: tted to an interface box, which transmits the information to the
computer. One example of how this sensor can be used would be in monitoring freezing point
depression. Using the sensor, place it in a beaker filled with ice cold water, and as you add salt,
watch the temperature drop. Q2. Table 1. Insert descriptive title for Table 1.
2HCl (aq) + Mg(s) → MgCl2(aq) + H2(g)
Final Temperature (oC)
Initial Temperature (oC) 22.4 Temperature Change (oC)
7.1 Is the reaction above exothermic or endothermic? Use the data from Table 1 to justify your
Answer Q4. Describe three ways you could tell a chemical reaction was taking place when you mixed the
magnesium metal with the hydrochloric acid.
Answer Q5. Table 2. Insert descriptive title for Table 2.
Write a balanced chemical
equation for the dissolution of
ammonium chloride. Write a balanced chemical
equation for the dissoluti...
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This document was uploaded on 03/05/2014 for the course CHEM 101L at UNC.
- Spring '08