what are examples of endergonic and exergonic reactions?
['**Remember: Though the release of energy from a chemical bond is typically exergonic (overall), the process of breaking the bond is endergonic. ... ', 'photosynthesis (energy taken in, glucose) ... ', 'spontaneous. ... ', 'not spontaneous. ... ', 'chemical reactions in form of heat. ... ', 'catabolic (cat-bowl-breakdown) ... ', 'Gibbsfree energy.']