K[A] 9. In a reaction, compounds A and B combine to form compounds C and D. Experimental data shows that the rate law is: rate
[B]? What is the order of the reaction in A and B?
second-order in A, second-order in B
fourth-order in A, fourth-order in B
Ok-order in A, third-order in B
O first-order in A, third-order in B

it's c. elements are placed in rows based on how may valencies electrons have.

c. electrical charges of ionic bonds.

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.