Create a scatter plot using the data in Data Table 2. Plot time on the independent axis (x-axis) and temperature on the dependent axis (y-axis). Add a linear trendline that represents temperature change. Extend the trendline to the y-axis, time "0". The extrapolation at the "0-second time" most likely represents the "maximum temperature from the reaction." Compare the extrapolated temperature to the initial recorded temperature of the mixture and record the greater of the two temperatures in Data Table 1 as the highest temperature of the mixture. Data Table 2: Temperature of Solution Every 20 SecondsTime after mixing (min:sec)Temperature (°C)Initial26.70:2030.50:4030.81:0030.71:2030.61:4030.72:0030.82:2030.72:4030.63:0030.53:2030.33:4030.14:0030.04:2029.74:4029.65:0029.5 Data Table 1: Temperature (°C) of the Solution (NaOH + HCI)Initial Temperature of NaOH (°C)23.0Initial Temperature of HCI (°C)23.3Average Initial Temperature of Two Separate Solutions (°C)23.2Highest Temperature of Mixture (May Be Extrapolated from Graph) (°C)Change in Temperature of Mixture (°C), AT

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Chemistry: Matter and Change

1st Edition

ISBN:9780078746376

Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Chapter14: Mixtures And Solutions

Section: Chapter Questions

Problem 101A: Cooking A cook prepares a solution for boiling by adding12.5 g of NaCl to a pot holding 0.750 L of...

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Create a scatter plot using the data in Data Table 2. Plot time on the independent axis (x-axis) and temperature on the dependent axis (y-axis). Add a linear trendline that represents temperature change. Extend the trendline to the y-axis, time "0". The extrapolation at the "0-second time" most likely represents the "maximum temperature from the reaction." Compare the extrapolated temperature to the initial recorded temperature of the mixture and record the greater of the two temperatures in Data Table 1 as the highest temperature of the mixture.

Data Table 2: Temperature of Solution Every 20 Seconds
Time after mixing (min:sec)
Temperature (°C)
Initial
26.7
0:20
30.5
0:40
30.8
1:00
30.7
1:20
30.6
1:40
30.7
2:00
30.8
2:20
30.7
2:40
30.6
3:00
30.5
3:20
30.3
3:40
30.1
4:00
30.0
4:20
29.7
4:40
29.6
5:00
29.5

Data Table 1: Temperature (°C) of the Solution (NaOH + HCI)
Initial Temperature of NaOH (°C)
23.0
Initial Temperature of HCI (°C)
23.3
Average Initial Temperature of Two Separate Solutions (°C)
23.2
Highest Temperature of Mixture (May Be Extrapolated from Graph) (°C)
Change in Temperature of Mixture (°C), AT

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