A 0.558 kg block of copper at 117°C comes in contact with a
1.11 kg block of aluminum at
15.8°C. What is their equilibrium temperature?

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.