The strength of the force of gravity between two objects is determind by which of the following factors?
select all that apply
a) the masses of the objects
b) the distance between the objects
c) the volumes of the objects
d) the surface area of the objects

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.

Word equation for k(s)+h2o(l) yield koh(aq) + h2(g)

Amixture initially contains a, b, and c in the following concentrations: [a] = 0.300 m , [b] = 1.05 m , and [c] = 0.550 m . the following reaction occurs and equilibrium is established: a+2b⇌c at equilibrium, [a] = 0.140 m and [c] = 0.710 m . calculate the value of the equilibrium constant, kc.