-roovy (4) 22,000 J
4
5. Two samples of gold that have different
temperatures are placed in contact with
one another. Heat will flow spontaneously
from a sample of gold at 60°C to a sample
of gold that has a temperature of
(1) 50°C
(3) 70°C
(2) 60°C
(4) 80°C
5

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.

a polar bond is formed when electrons are shared unevenly between atoms

the correct answer is:

a. formation of precipitation