1. the self-diffusion coefficient of h2o molecules in water is 2.26 x 10-5 cm2 s-1 at 25 oc. estimate how long it takes for an h2o molecule in water to travel: a. 1.0 cm at 25 oc b. 2.0 cm at 25 oc c. 2.0 cm at 50 oc (this one will take some creativity…) hint: the argument in the error function relationship for fick's second law [x/(2*(dt)^.5] must be a constant since the error function is constant, therefore: x = k' 2 (dt)0.5 where x is the diffusion distance and t is time and d is the diffusion constant. we can just assume k' =1 which is not actually the case but at least can us get order of magnitude estimates for diffusion distances.

answer

procedural programming, object-oriented programming

explanation

procedural programming is a type of computer programming language that specifies a series of well structured steps and procedures   within its development period of time. it contains a systematic order of statements, functions and commands to complete a computational task or program. it is centered on creating procedures. while object oriented programming is a programming language that is centered on creating objects rather that actions and data rather than logic.. it has four principles which are inheritance, polymorphism, abstraction and encapsulation

that the claims meet official rules.

don't misinterpret the claims

electrical potential energy =0.072 j

explanation:

electrical potential energy is given by

u= q δv

q= charge=6 c

δv= potential difference and is given by

δv= e d

e= electric field

d= distance=5 mm=0.005 m

δv=2.4 (0.005)=0.012 v

now electric potential energy= u= q δv

u=6 (0.012)

u=0.072 j