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QUESTION 20 Calculate the enthalpy change when 2.41 moles of ice melt to form water: H20(s) H2O(1) AH = 6.01 kJ/mol 3 significant digits (enter units of kJ) QUESTION 21 Calculate the enthalpy change for 3.24 g of sodium in the following reaction: 2NaOH(aq) + H2(g) 2Na(s) + 2H2O(1) → AH° = -367.5 kJ/mol 3 significant digits, enter units of kJ

QUESTION 20 Calculate the enthalpy change when 2.41 moles of ice melt to form water: H20(s) H2O(1) AH = 6.01 kJ/mol 3 significant digits (enter units of kJ) QUESTION 21 Calculate the enthalpy change for 3.24 g of sodium in the following reaction: 2NaOH(aq) + H2(g) 2Na(s) + 2H2O(1) → AH° = -367.5 kJ/mol 3 significant digits, enter units of kJ

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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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QUESTION 20 Calculate the enthalpy change when 2.41 moles of ice melt to form water: H2O(s) H20(1) AH = 6.01 kJ/mol 3 significant digits (enter units of kJ) QUESTION 21 Calculate the enthalpy change for 3.24 g of sodium in the following reaction: 2Na(s) + 2H20(1) 3 significant digits, enter units of kj → 2NAOH(aq) + H2(g) AH° = -367.5 kJ/mol
Transcribed Image Text:QUESTION 20 Calculate the enthalpy change when 2.41 moles of ice melt to form water: H2O(s) H20(1) AH = 6.01 kJ/mol 3 significant digits (enter units of kJ) QUESTION 21 Calculate the enthalpy change for 3.24 g of sodium in the following reaction: 2Na(s) + 2H20(1) 3 significant digits, enter units of kj → 2NAOH(aq) + H2(g) AH° = -367.5 kJ/mol
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