dayanirisr45
05.11.2019 •
Physics
Factors that influence diffusion iii carbon is allowed to diffuse through a steel plate 13-mm thick. the concentrations of carbon at the two faces are 0.702 and 0.110 kg of carbon per m³ of iron, which are maintained constant. if the preexponential and activation energy are 6.5 x 10^-⁷ m²/s and 82 kj/mol, respectively, calculate the temperature (in k) at which the diffusion flux is 3.2 x 10-⁹ kg/(m²-s).
Solved
Show answers
More tips
- H Health and Medicine Simple and Effective: How to Get Rid of Cracked Heels...
- H Health and Medicine Relieving Swelling in Legs: Causes and Ways to Alleviate the Symptom...
- W Work and Career Мерчендайзинг – все, что нужно знать...
- O Other Everything You Need to Know About Kudyabliks...
- F Food and Cooking How to cook crayfish? Everything you need to know...
- F Food and Cooking Homemade kvass: recipe and brewing process...
- H Health and Medicine How to Choose the Right Tanning Cream?...
- S Style and Beauty Secrets of Tying a Pareo: 5 Ways...
- S Sport Running: How to Do It Right?...
- H Health and Medicine Sunstroke: Causes, Symptoms, and Precautions...
Answers on questions: Physics
- P Physics How big must the arclength of a circle be if there were 2 radians of rotation and the radius was 15 m?...
- P Physics In a physics lab, Asha is given a 12.1 kg uniform rectangular plate with edge lengths 64.3 cm by 49.1 cm . Her lab instructor requires her to rotate the plate about an...
- P Physics What is resultant force...
- P Physics Meet.gogle. etj-dovn-kds only for sêxy girls...
- P Physics Meet.góogle. etj-dovn-kds only for sêxy girls...
- P Physics Why do you think we cannot use a common fuel like diesel or gasoline for space travel ?...
- P Physics A bus is traveling at 60 miles/hour east. Determine the velocity of the following objects using the bus as the frame of reference: • A car traveling at 60 miles/hour east?...
- P Physics A cockroach of mass m lies on the rim of a uniform disk of mass 3.00 m that can rotate freely about its center like a merry-go-round. Initially the cockroach and disk...
- P Physics Two identical loudspeakers are driven in phase by a common oscillator at 750 Hz and face each other at a distance of 1.24 m. Locate the points along the line joining the...
- P Physics In this diagram, heat energy is being added over time. The vertical axis shows an increase in temperature, and the horizontal axis shows the passage of time. In the diagram,...
Ответ:
Explanation:
We need to use Fick's Law to resolve this problem.
We know for this Law that:
And we know as well that the diffusivity coefficient can be expressed as follows,
Where J is the flux of atoms, D is the diffusivity, R is the gas constant, Ed is the activation energy and \frac{\Delta c}{\Delta x} is the concentration of gradient.
To calculate the temperature we need to remplace the equation of diffusivity coefficient in the Fick's law equation.
Rearrange the equation to get the value of temperature
We have all the values,
So substituting,
Ответ:
Je suis un peu rouillé sur mon français, donc je n'ai pas compris certaines de vos questions, mais j'espère que cela vous aidera. Les peintures de l'artiste naturaliste et réaliste français Jean-François Millet présentent des caractéristiques de réalisme et de naturalisme dans "The Gleaners", en ce sens la peinture représente une scène de la vie quotidienne et contemporaine en utilisant des couleurs réalistes et des formes solides.
Dans l'histoire prolifique d'importants artistes français, Jean-François Millet (1814-1875) a joué un rôle important car il est considéré comme le fondateur du style de peinture de Barbizon, une école d'art qui a travaillé sur des thèmes du côté rural de la France.
Jean-François Millet s'est spécialisé dans les peintures qui dépeignent la vie rurale des paysans français et la vie à la campagne. Au fil du temps, Jean-François Millet s'est concentré sur la peinture de plus en plus de paysages.
Explanation: