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Sagot :
Let's calculate the change in temperature (ΔT) for the given data.
1. Initial temperature of vinegar: [tex]\( 17^{\circ} C \)[/tex]
2. Final temperature of vinegar: [tex]\( 14^{\circ} C \)[/tex]
To find the change in temperature (ΔT), we use the formula:
[tex]\[ \Delta T = \text{Final Temperature} - \text{Initial Temperature} \][/tex]
Plugging in the given values:
[tex]\[ \Delta T = 14^{\circ} C - 17^{\circ} C \][/tex]
[tex]\[ \Delta T = -3^{\circ} C \][/tex]
So, the change in temperature [tex]\( \Delta T \)[/tex] is [tex]\( -3^{\circ} C \)[/tex].
Here is the completed table:
[tex]\[ \begin{tabular}{|l|l|} \hline Volume of vinegar & 25 mL \\ \hline Mass of sodium bicarbonate & 1 g \\ \hline Initial temperature of vinegar & \( 17^{\circ} C \) \\ \hline Final temperature of vinegar & \( 14^{\circ} C \) \\ \hline Change in temperature \( °C (\Delta T) \) & -3 \\ \hline \end{tabular} \][/tex]
1. Initial temperature of vinegar: [tex]\( 17^{\circ} C \)[/tex]
2. Final temperature of vinegar: [tex]\( 14^{\circ} C \)[/tex]
To find the change in temperature (ΔT), we use the formula:
[tex]\[ \Delta T = \text{Final Temperature} - \text{Initial Temperature} \][/tex]
Plugging in the given values:
[tex]\[ \Delta T = 14^{\circ} C - 17^{\circ} C \][/tex]
[tex]\[ \Delta T = -3^{\circ} C \][/tex]
So, the change in temperature [tex]\( \Delta T \)[/tex] is [tex]\( -3^{\circ} C \)[/tex].
Here is the completed table:
[tex]\[ \begin{tabular}{|l|l|} \hline Volume of vinegar & 25 mL \\ \hline Mass of sodium bicarbonate & 1 g \\ \hline Initial temperature of vinegar & \( 17^{\circ} C \) \\ \hline Final temperature of vinegar & \( 14^{\circ} C \) \\ \hline Change in temperature \( °C (\Delta T) \) & -3 \\ \hline \end{tabular} \][/tex]
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