1 points If 12.6 moles of Cu and 46.8 moles of HNO3 are allowed to react, how many moles of excess reactant will remain if the reaction
goes to completion?
3 Cu + 8 HNO3 — 3Cu(NO3)2 + 2NO + 4H20

The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call

Aradio signal from a gps satellite take only about 0.067 seconds to reach a gps reciever. if the speed of light is about 300,000km/s, then approximately how far away is the reciever from from the satellite?

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