Word for feeling conflicting emotions simultaneously
Ambivalent (adj.)
ambivalence and ambivalency noun, originally psychol the concurrent adherence to two opposite or conflicting views, feelings, etc about someone or something. ambivalent adj. ambivalently adverb. ETYMOLOGY: 1912: from German Ambivalenz, from ambi-, modelled on 'equivalence'; see equivalent.
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'Torn' is often used eg. I was torn between loving her, and wanting to kill her.
You could use "conflicted" possibly? Or "vie/vying," which is a verb even though you asked for an adjective.