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When KNO3 dissolves in water the system temperature is expected to: 1 a. Remain the same O b. Need more information O c. Increase O d. Decrease

When KNO3 dissolves in water the system temperature is expected to: 1 a. Remain the same O b. Need more information O c. Increase O d. Decrease

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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When KNO3 dissolves in water the system temperature is expected to: 1 a. Remain the same O b. Need more information O c. Increase O d. Decrease A certain liquid has a normal boiling point of 144 °C. At what temperature (in °C) does it boil if the pressure is 0.5 atm? Given that AH°vap equals 23.09 kJ/mol and R=8.314 J/K.mol. 2 O a. 392 O b. 75 O c. 378 O d. 105 O e. 164 O f. 93 Heating mantle is used for: a. Heating liquids in beakers uniformly b. Heating liquids in round bottom flasks uniformly c. Heating liquids in graduated cylinders uniformly d. Heating liquids in test tubes uniformly
Transcribed Image Text:When KNO3 dissolves in water the system temperature is expected to: 1 a. Remain the same O b. Need more information O c. Increase O d. Decrease A certain liquid has a normal boiling point of 144 °C. At what temperature (in °C) does it boil if the pressure is 0.5 atm? Given that AH°vap equals 23.09 kJ/mol and R=8.314 J/K.mol. 2 O a. 392 O b. 75 O c. 378 O d. 105 O e. 164 O f. 93 Heating mantle is used for: a. Heating liquids in beakers uniformly b. Heating liquids in round bottom flasks uniformly c. Heating liquids in graduated cylinders uniformly d. Heating liquids in test tubes uniformly
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