I purchased an ultrawide monitor from LG. I need a software that will help trick my laptop into thinking my ultrawide monitor is two monitors. Can this software accomplish that?

Hi,
you can use the split monitor feature. But I don't know if this is enough for you.
For example, if you maximise (with the button next to the close button) a window, it will fit into the virtual monitor. But if you use the youtube fullscreen button, it will span over the complete monitor. The same if you press F11 in google chrome, etc.
So I would say its more a virtual thing. The device manager will not show an additional monitor.
https://www.displayfusion.com/Features/MonitorConfig/

P.S. you can just try the 30-day trial version and test if the software fit your needs