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A sample of sodium hydroxide dissolves in water,releasing heat to the surrounding water and causing the temperature to rise by 20 °C.If the heat change for the reaction is -300 J,what is the heat change for the surrounding water?
Standard Deviation
A measure of the amount of variance or dispersion of a set of values, indicating how much the values in a dataset deviate from the mean.
Margin of Error
A statistic expressing the amount of random sampling error in a survey's results.
Sample Mean
The average value of a set of observations derived from a sample.
Standard Deviation
An indicator of the spread or distribution range of a collection of data points, showing how far apart the values in the set are from each other.
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