<p>Gibbs Free Energy – Notes </p><p>Watch Paul Anderson’s YouTube video on the topics of Gibbs Free Energy. As you watch, try to answer the questions below. http://www.youtube.com/watch? v=DPjMPeU5OeM&feature=BFa&list=PLFCE4D99C4124A27A</p><p>Write the equation for Gibbs Free Energy:______</p><p>What does Mr. Anderson prefer to call “free energy.”______</p><p>What is a spontaneous reaction?______</p><p>Define Enthalpy (H) ______</p><p>In a spontaneous reaction what happens to enthalpy (H) ______</p><p>Where is potential energy found in biology?______</p><p>Define Entropy (S) ______</p><p>In a spontaneous reaction what happens to entropy (S)______</p><p>In a spontaneous reaction what happens to temperature (T)______</p><p>To summarize spontaneous reactions for each variable:</p><p> Enthalpy (H) will ↑ or ↓ resulting in a ↑ or ↓ in free energy (G)</p><p> Entropy (S) will ↑ or ↓ resulting in a ↑ or ↓ in free energy (G)</p><p> Temp. (T) will ↑ or ↓ resulting in a ↑ or ↓ in free energy (G)</p><p>∆G < 0 ______</p><p>∆G > 0 ______</p><p>∆G = 0 ______</p><p>Overview of Cellular respiration: Glucose → CO2 + H2O</p><p> more or less random ↑ or ↓ entropy (S)</p><p> release or store energy ↑ or ↓ enthalpy (H)  ∆G = ______kcal/mole</p><p> What is needed to get this reaction started:______</p><p>Overview of Photosynthesis: CO2 + H2O + Sun + Plant → Glucose</p><p> more or less random ↑ or ↓ entropy (S)</p><p> release or store energy ↑ or ↓ enthalpy (H)</p><p> ∆G =______kcal/mole</p><p> Where does activation energy come from?______</p><p>What is the energy coinage of a cell:______</p><p>ATP to ADP: ∆G = ______kcal/mole</p><p>ADP to ATP: ∆G = ______kcal/mole</p><p>Sun to Plant ∆G < 0 or ∆G>0 Exergonic or Endergonic</p><p>Photosynthesis ∆G < 0 or ∆G>0 Exergonic or Endergonic</p><p>Cellular Respiration (Glucose to ATP) ∆G < 0 or ∆G>0 Exergonic or Endergonic</p><p>ATP to ADP ∆G < 0 or ∆G>0 Exergonic or Endergonic</p><p>ADP to ATP ∆G < 0 or ∆G>0 Exergonic or Endergonic</p><p>Draw a free energy diagram for cellular respiration and a free energy diagram for photosynthesis in the space below: Cellular Respiration Photosynthesis</p>