Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Photosynthesis is one of the most important metabolic processes to take place on the Earth. It occurs in plants and some
algae and involve harnessing light energy from the sun to convert into usable energy for the plant itseif, us, and other
organisms. The equation for photosynthesis is: H2O(1)
O+CO
O +0 a) Balance the equation [1] b)
6(s) 2(g)
Determine the enthalpy of photosynthesis using Hess law. Is the reaction endo or exothermic?
2(g)
12
[4] H
+
2(g)
2 2(g)
HOAH
2 (1)
-285.8kJ C +0
CO
(s) 2(g)
2(g) 'AH = -393.5kJ C
+H +
(s) 2(g) 2 2(s)
C6H12O6(1)"
,AH =
c) Draw a potential energy diagram for photosnthesis Make sures tol label the x and y axis, write down your reactants and
products. include the enthalpy value in the correct position [2]
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Transcribed Image Text:Photosynthesis is one of the most important metabolic processes to take place on the Earth. It occurs in plants and some algae and involve harnessing light energy from the sun to convert into usable energy for the plant itseif, us, and other organisms. The equation for photosynthesis is: H2O(1) O+CO O +0 a) Balance the equation [1] b) 6(s) 2(g) Determine the enthalpy of photosynthesis using Hess law. Is the reaction endo or exothermic? 2(g) 12 [4] H + 2(g) 2 2(g) HOAH 2 (1) -285.8kJ C +0 CO (s) 2(g) 2(g) 'AH = -393.5kJ C +H + (s) 2(g) 2 2(s) C6H12O6(1)" ,AH = c) Draw a potential energy diagram for photosnthesis Make sures tol label the x and y axis, write down your reactants and products. include the enthalpy value in the correct position [2]
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