Problem: Consider the following balanced reaction: 2A2 + B → C + 2D What is the enthalpy of reaction if the enthalpy of formation of the compounds is given as A2 = 19.03  kJ/mol; B = 5.6 kJ/mol; C = 10.21 kJ/mol; D = 11.1 kJ/mol. Record your answer in scientific notation using 3 significant figures.

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Consider the following balanced reaction: 

2A2 + B → C + 2D 

What is the enthalpy of reaction if the enthalpy of formation of the compounds is given as A2 = 19.03  kJ/mol; B = 5.6 kJ/mol; C = 10.21 kJ/mol; D = 11.1 kJ/mol. 

Record your answer in scientific notation using 3 significant figures.