Given the Data Below, What Is D H for the Following

question 31

Multiple Choice

Given the data below, what is D H for the following reaction?
4 NO (g) + 6 H₂ O ( ) 4 NH₃(g) + 5 O₂(g) D H f H₂ O ( ) = - 286 kJ/mol D H f NH₃(g) = - 46 kJ/mol D H f NO (g) = 90 kJ/mol

• A) +1172 kJ
• B) +149 KJ
• C) - 149 kJ
• D) - 1172 kJ
• E) none of these

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Definitions:

4-methylpentanal

An organic compound, specifically an aldehyde, with the chemical formula C6H12O, characterized by a methyl group attached to the fifth carbon of a pentanal chain.

Sodium Hydroxide

A highly caustic and strong base used in many industries; it is also known as lye or caustic soda.

α,β-unsaturated Aldehyde

An organic compound with a double bond between the alpha and beta carbon atoms and a carbonyl group at the alpha position.

β-diketone

A class of organic compounds containing two keto groups (C=O) attached to adjacent carbon atoms.