This thermochemical equation describes the reaction of nitrogen monoxide with oxygen to produce nitrogen dioxide. How much energy would be released when 1.0 mol of NO2(g) is produced?

The reaction absorbs 57.1 kJ of heat.
The reaction absorbs 57.1 kJ of heat.

The reaction releases 57.1 kJ of heat.
The reaction releases 57.1 kJ of heat.

The reaction absorbs 114.2 kJ of heat.
The reaction absorbs 114.2 kJ of heat.

The reaction releases 114.2 kJ of heat.

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.