Graphite has a mass of 50g and a specific heat of 0.420 J/g oC. If graphite is cooled from 50 oC to 35 oC, how much energy was lost?

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

What can be found in the ionosphere

Adilute aqueous potassium nitrate solution is