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When 0.661 g of sodium metal is added to an excess of hydrochloric acid, 6870 J of heat are produced. What is the enthalpy of the reaction as written? 2 Na(s) +2 HCI(aq) 2 NaCl(aq) + H,(g) kJ Enthalpy of reaction:

When 0.661 g of sodium metal is added to an excess of hydrochloric acid, 6870 J of heat are produced. What is the enthalpy of the reaction as written? 2 Na(s) +2 HCI(aq) 2 NaCl(aq) + H,(g) kJ Enthalpy of reaction:

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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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When 0.661 g of sodium metal is added to an excess of hydrochloric acid, 6870 J of heat are produced. What is the enthalpy of the reaction as written? 2 Na(s)+2 HCI(aq) 2 NaCI(aq) + H,(g) kJ Enthalpy of reaction: Given the reactions, X(s) + 0,(g) - XO(s) ΔΗ-982.1 kJ XCO,(s) XO(s) + CO,(g) AH = +241.5 kJ what is AH for this reaction? X(s) + 0,(g) + CO,(g) XCO,(s) ΔΗΞ
Transcribed Image Text:When 0.661 g of sodium metal is added to an excess of hydrochloric acid, 6870 J of heat are produced. What is the enthalpy of the reaction as written? 2 Na(s)+2 HCI(aq) 2 NaCI(aq) + H,(g) kJ Enthalpy of reaction: Given the reactions, X(s) + 0,(g) - XO(s) ΔΗ-982.1 kJ XCO,(s) XO(s) + CO,(g) AH = +241.5 kJ what is AH for this reaction? X(s) + 0,(g) + CO,(g) XCO,(s) ΔΗΞ
Given the thermochemical equations X, + 3 Y, 2XY, AH, = -320 kJ X, + 2Z, 2 XZ, AH2 = -170 kJ 2Y, +Z, → 2 Y,Z AH3 = -280 kJ Calculate the change in enthalpy for the reaction. 4XY, + 7Z, → 6 Y,Z + 4 XZ, AH =
Transcribed Image Text:Given the thermochemical equations X, + 3 Y, 2XY, AH, = -320 kJ X, + 2Z, 2 XZ, AH2 = -170 kJ 2Y, +Z, → 2 Y,Z AH3 = -280 kJ Calculate the change in enthalpy for the reaction. 4XY, + 7Z, → 6 Y,Z + 4 XZ, AH =
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