Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained …
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honen 15 12. Calculate the amount of heat needed to change 45.0 grams of ice at -25.0 °C to steam at 250.0 °C. (For water, AHfus = 333 J/g; AHvap = 2260 J/g; Specific Heat (ice) = 2.10 Jg¹ K-¹; Specific Heat (steam) = 2.00 J g-¹ K-¹) a. 14.7 kJ b. 33.7 kJ C. 116 kJ E d. 151 kJ e. 175 kJ Letter answer to question #12:
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Transcribed Image Text:honen 15 12. Calculate the amount of heat needed to change 45.0 grams of ice at -25.0 °C to steam at 250.0 °C. (For water, AHfus = 333 J/g; AHvap = 2260 J/g; Specific Heat (ice) = 2.10 Jg¹ K-¹; Specific Heat (steam) = 2.00 J g-¹ K-¹) a. 14.7 kJ b. 33.7 kJ C. 116 kJ E d. 151 kJ e. 175 kJ Letter answer to question #12:
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