Complete the statement: The more
a molecule, the higher its
A)
polar, density
x
B)
nonpolar, density
polar, boiling point
D)
nonpolar, boiling point

Answer is polar, boiling point on usa test prep btw.

iron and sleel

make siroeel

answer; 4 electrons;

answer: semi-infinite solid initially at a uniform temperature of 400 ◦c is cooled at its surface by convection. the cooling fluid at a constant temperature of 200 ◦c has a convective coefficient (ha) of 250 w/m2.k. the physical properties of the solid: k = 20 w/m.k and α = 4 * 10-5  m2/s. using δx = 0.04 m and δt = 10 s. write the finite difference equations describing the transient heat transfer of the first five δx and the temperature profile after 30 s.