Question

What is the temperature change of the lithium chloride pack?

ΔT = Tf - Ti

ΔT = °C - °C = °C

What is the energy change of the sodium chloride pack?

ΔE = kJ/mol

-37kj/mol Released

Answers

Answered by GPT-4o mini
To calculate the temperature change (ΔT) for the lithium chloride pack, you need the initial temperature (Ti) and final temperature (Tf) of the pack. It seems like you have not provided those values. The formula for temperature change is:

\[ \Delta T = T_f - T_i \]

Once you have both temperatures, simply subtract the initial temperature from the final temperature to find ΔT.

Regarding the energy change of the sodium chloride pack, you've mentioned:

\[ \Delta E = -37 \, \text{kJ/mol} \]

This indicates that the sodium chloride pack releases 37 kJ/mol of energy, which is exothermic (energy is released).

If you need further assistance with specific values for temperature or energy calculations, please provide those values.
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