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2. In order to produce 972 kJ of heat, how many grams of H2 must react? 2 H2 (g) + 02 (g) → 2 H20 (g) + 243 kJ A 0.250 g B 4.04 g C 8.08 g D 16.2 g

2. In order to produce 972 kJ of heat, how many grams of H2 must react? 2 H2 (g) + 02 (g) → 2 H20 (g) + 243 kJ A 0.250 g B 4.04 g C 8.08 g D 16.2 g

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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B Endothemic, positive C Exothermic, negative D Exothenmic, positive In order to produce 972 kJ of heat, how many grams of H2 must react? 2 H2 (g) + O2 (g) → 2 H20 (g) + 243 kJ %3D A 0.250 g B 4.04 g C 8.08 g D 16.2 g 3. What can be concluded from this thermochemical equation? AH = - 45 kJ/mol r> NAOH (s) -> Na*(aq) + OH (aq) 2.
Transcribed Image Text:B Endothemic, positive C Exothermic, negative D Exothenmic, positive In order to produce 972 kJ of heat, how many grams of H2 must react? 2 H2 (g) + O2 (g) → 2 H20 (g) + 243 kJ %3D A 0.250 g B 4.04 g C 8.08 g D 16.2 g 3. What can be concluded from this thermochemical equation? AH = - 45 kJ/mol r> NAOH (s) -> Na*(aq) + OH (aq) 2.
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