You can increase the surface area of a block of ice by
a. melting it
b. putting it in the freezer
c. crushing it
d. adding salt to it

How many atoms of oxygen are contained in 160 grams of n2o3

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.

The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms