For the equation: Na + H20 → NaOH + ½ H2 If 5 grams of sodium is placed into 100 grams of water at 20 °C and the final temperature of the system reaches 35 °C, calculate the AHrxn? MNa=23, MH=1, Mo=16 , CH2O=4.18 J/g°C O a. -12.9 kJ/mole O b. -19.6 kJ/mole O c. -17.2 kJ/mole O d. -28.84 kJ/mole O e. -11.8 kJ/mole

For the equation: Na + H20 → NaOH + ½ H2 If 5 grams of sodium is placed into 100 grams of water at 20 °C and the final temperature of the system reaches 35 °C, calculate the AHrxn? MNa=23, MH=1, Mo=16 , CH2O=4.18 J/g°C O a. -12.9 kJ/mole O b. -19.6 kJ/mole O c. -17.2 kJ/mole O d. -28.84 kJ/mole O e. -11.8 kJ/mole

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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