Refer to attachment please this is one of my study questions and im stuck

How many moles of no2 will form when 3.3 moles of cu are reacted with excess hno3?

The most common form of matter in the universe

Polar bears give birth and hunt on sea ice. which of the following would polar bears survive during the melting of arctic ice? growing another layer of fur during summer migrate inland to search for different food sources staying put until the ice refreezes sticking to the usual diet of seals