Q.Blooming hydrangea
I recently recieved a hydrangea plant. It had large full round bloom heads. They faded and died after about 2 weeks. I snipped off the dead flower heads. Will the plant bloom again this year?

No, it will only bloom once a season.
Here are some articles to help you.
https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/hydrangea-container-care.htm
https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/deadheading-a-hydrangea.htm