9:15 Part 1 Several chemical reactions happen in bioluminescent algae. One of the most important is cellular respiration, which along with photosynthesis helps produce the energy algae need to live. Cellular respiration can be represented by this chemical equation: 60₂ 6 CO₂ + 6H₂O + heat C6H12O6 + glucose oxygen water carbon dioxide thermal energy 1. Since energy is released in cellular respiration, this reaction is exothermic. Why is the reaction exothermic, not endothermic? To answer this question, draw a model, create a graph, or write an explanation that includes: University of Colorado Spencer Foundation Hub ho Except where otherwise noted, this work is licensed under the Creative Comm bution 4.3 Version 1.0 Fall 2021 1 • How the energy of breaking bonds compares relatively to the energy of bond formation • Why there is excess energy when the products (CO₂ and H₂O) are formed Use evidence from the chemical equation above and the Bond Energy and Length Chart on the next page in your explanation. (8 pts.) H₂ C₂H₁₂O6 CO₂ H₂O 0₂ Energy in or out H-H HO=0 01c10 H Energy changes during cellular respiration CH₁2O6 +60₂-6CO₂ + 6H₂O + heat H H
9:15 Part 1 Several chemical reactions happen in bioluminescent algae. One of the most important is cellular respiration, which along with photosynthesis helps produce the energy algae need to live. Cellular respiration can be represented by this chemical equation: 60₂ 6 CO₂ + 6H₂O + heat C6H12O6 + glucose oxygen water carbon dioxide thermal energy 1. Since energy is released in cellular respiration, this reaction is exothermic. Why is the reaction exothermic, not endothermic? To answer this question, draw a model, create a graph, or write an explanation that includes: University of Colorado Spencer Foundation Hub ho Except where otherwise noted, this work is licensed under the Creative Comm bution 4.3 Version 1.0 Fall 2021 1 • How the energy of breaking bonds compares relatively to the energy of bond formation • Why there is excess energy when the products (CO₂ and H₂O) are formed Use evidence from the chemical equation above and the Bond Energy and Length Chart on the next page in your explanation. (8 pts.) H₂ C₂H₁₂O6 CO₂ H₂O 0₂ Energy in or out H-H HO=0 01c10 H Energy changes during cellular respiration CH₁2O6 +60₂-6CO₂ + 6H₂O + heat H H
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
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Thermochemistry
Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.
Exergonic Reaction
The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.
Question
Transcribed Image Text:9:15 & a
Part 1
Several chemical reactions happen in bioluminescent algae. One of the most important is
cellular respiration, which along with photosynthesis helps produce the energy algae need to
live. Cellular respiration can be represented by this chemical equation:
60₂
heat
6 CO₂ + 6H₂O +
→
C6H12O6 +
glucose
water
oxygen
carbon
dioxide
thermal
energy
1. Since energy is released in cellular respiration, this reaction is exothermic. Why is the
reaction exothermic, not endothermic?
To answer this question, draw a model, create a graph, or write an explanation that includes:
These materials were developed by the inquiryHub RPP, including educators from CO and IL, Northwestern University and the
University of Colorado Boulder, with support from the Hewlett Foundation, the Spencer Foundation, the National Science Foundation
and Denver Public Schools. Except where otherwise noted, this work is licensed under the Creative Commons Attribution 4.0
(сс
O
BY
Hub
International License.
Version 1.0 Fall 2021
1
• How the energy of breaking bonds compares relatively to the energy of bond
formation
●
Why there is excess energy when the products (CO₂ and H₂O) are formed
Use evidence from the chemical equation above and the Bond Energy and Length Chart on
the next page in your explanation. (8 pts.)
H₂
CH₁₂O6
CO₂
H₂O
0₂
Energy in or
out
H-H
H
H H H
1 T
010
T
0=CIO
O
0
O O O
H-C
H
H H
H
H H
Energy changes during cellular respiration
C6H₁2O6 +6 0₂6CO₂ + 6H₂O + heat
H
39% الله
H
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