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sapling earming.com Netflix Blackboard WebAdvisor Linfield Linfield Email Twitter The table to the right gives the concentrations of NO20g) as a NERTAYAN: Homework May 8-12 BESTWICKREI Jump to... spring 17-BESTWICKIREINERTAAN I Activities and Due Dates omework May 8-12 5/17/2017 11:55 PM CA 521100 Gradebook Print calculator Periodic Table Question 15 of 21 Sapling Learning Reaction A Reaction B 150 150 100 Energy 100 Reaction progress Reaction progress What is the heat of reaction for Reaction A? What is the heat of reaction for Reaction B? AHL kJ/ mol kJ mol What is the activation energy for Reaction A? What is the activation energy for Reaction B? kJ mol kJ/mol Gin eup s view sawion Check Answer 0 MacBook Air

Explanation / Answer

Reaction A:

Hrxn = energy difference between product and reactant

Hrxn = 25 -125 = 100 kJ/mol

Activation energy, Ea =  energy difference between activated complex and reactant.

Ea = 150 - 125 = 25 kJ/mol

Reaction B:

Hrxn = 50 - 25 = 25 kJ/mol

Ea = 100 - 25 = 75 kJ/mol

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