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5. Write a balanced equation for each of the processes in Part A. Remember to include heat on the reactant or product side, as appropriate.

5. Write a balanced equation for each of the processes in Part A. Remember to include heat on the reactant or product side, as appropriate.

Anatomy & Physiology
Anatomy & Physiology
1st Edition
ISBN:9781938168130
Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Chapter24: Metabolism And Nutrition
Section: Chapter Questions
Problem 24RQ: The heat you feel on your chair when you stand up was transferred from your skin via ________....
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Exploring Energy Changes-Page 6 Post-Lab Questions Attach the printout of the data table and graph for Part B to your lab report. 1. Complete the following Results Table to indicate whether each reaction in Part A repre- sents a physical or chemical change and whether it is exothermic or endothermic. Reaction Physical or Chemical Change? Exothermic or Endothermic? Physical Charge Physical ihangE Chemical.change Endothermi Exothermic A C Endathermicc 2. A chemical change involves a change in the composition of matter-the formation of a new chemical substance (product) with physical and chemical properties different from those of the reactants. Describe the evidence used to decide if any of the processes in Part A were chemical changes. 3. Did you observe any qualitative differences in the amount of heat generated in the reac- tions that were characterized as endothermic in Part A? 4. Consider Reaction A: Was energy released or absorbed by the reactants in this system? When you touched the reaction container (the plastic bag) was energy being released or absorbed by your hand? 5. Write a balanced equation for each of the processes in Part A. Remember to include heat on the reactant or product side, as appropriate. 6. In Part B, was the temperature that was measured a part of the
Transcribed Image Text:Exploring Energy Changes-Page 6 Post-Lab Questions Attach the printout of the data table and graph for Part B to your lab report. 1. Complete the following Results Table to indicate whether each reaction in Part A repre- sents a physical or chemical change and whether it is exothermic or endothermic. Reaction Physical or Chemical Change? Exothermic or Endothermic? Physical Charge Physical ihangE Chemical.change Endothermi Exothermic A C Endathermicc 2. A chemical change involves a change in the composition of matter-the formation of a new chemical substance (product) with physical and chemical properties different from those of the reactants. Describe the evidence used to decide if any of the processes in Part A were chemical changes. 3. Did you observe any qualitative differences in the amount of heat generated in the reac- tions that were characterized as endothermic in Part A? 4. Consider Reaction A: Was energy released or absorbed by the reactants in this system? When you touched the reaction container (the plastic bag) was energy being released or absorbed by your hand? 5. Write a balanced equation for each of the processes in Part A. Remember to include heat on the reactant or product side, as appropriate. 6. In Part B, was the temperature that was measured a part of the
Exploring Energy Changes Data Table A. Observing Heat Changes Reaction Solid + Liquid Mass of Solid (g) Observations Thesolid Cempletely dissolved. The soluien was ( 1e ice we ter.CAbuvemoom Culd endo. The Solid lissolveed uiih little excess led tbehind NH,CI(s) + H,O(1) 2.0269 A temperak. CacıĻ6) + 6-l9 H,O(1) 3.1 3.1641g very hot, exo. The solutien wAs NaHCO,(6) + HCl(aq) 271g Tesid Sizzle ataripicA pase er acidwas putin. Tle tempera mewasncutral enclo, C NaHCO,(s) + HCI(aq) Data Table B. Measuring Temperature vs. Time Assigned Reaction Identity of Solid Mass of Solid (g) Identity of Liquid Volume of Liquid (mL)
Transcribed Image Text:Exploring Energy Changes Data Table A. Observing Heat Changes Reaction Solid + Liquid Mass of Solid (g) Observations Thesolid Cempletely dissolved. The soluien was ( 1e ice we ter.CAbuvemoom Culd endo. The Solid lissolveed uiih little excess led tbehind NH,CI(s) + H,O(1) 2.0269 A temperak. CacıĻ6) + 6-l9 H,O(1) 3.1 3.1641g very hot, exo. The solutien wAs NaHCO,(6) + HCl(aq) 271g Tesid Sizzle ataripicA pase er acidwas putin. Tle tempera mewasncutral enclo, C NaHCO,(s) + HCI(aq) Data Table B. Measuring Temperature vs. Time Assigned Reaction Identity of Solid Mass of Solid (g) Identity of Liquid Volume of Liquid (mL)
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