Popular articles

How is diffusion An example of the second law of thermodynamics?

How is diffusion An example of the second law of thermodynamics?

Diffusion is a direct result of the second law or entropy. The molecules spread out in all directions lowering the concentrations of he molecules in the original space. The second law of thermodynamics or entropy indicates that the entire universe is becoming more diffuse.

What law of thermodynamics states that heat of itself never flows from cold object to a hot object?

The Second Law of Thermodynamics(first expression): Heat transfer occurs spontaneously from higher- to lower-temperature bodies but never spontaneously in the reverse direction. The law states that it is impossible for any process to have as its sole result heat transfer from a cooler to a hotter object.

READ:   Is winter a noun or adjective?

What is the relation between temperature and diffusion rate?

Temperature: Higher temperatures increase the energy and therefore the movement of the molecules, increasing the rate of diffusion. Lower temperatures decrease the energy of the molecules, thus decreasing the rate of diffusion.

How does temperature affect diffusion?

When temperature increases, the kinetic energy of the particles has increased. The increased motion of the particles causes them to diffuse faster. Therefore, at higher temperatures, the rate at which fluid particles will diffuse is faster than at lower temperatures.

How does the second law of thermodynamics allow for diffusion of substances?

How does the second law of thermodynamics allow for diffusion of substances? The second law is the trend toward randomization or increasing entropy. Diffusion of a substance to a region where it is initially less concentrated INCREASES ENTROPY, making it an energetically favorable (SPONTANEOUS) process.

How is active transport possible since it contradicts the tendencies of the second law of thermodynamics?

How is active transport possible, since it contradicts the tendencies of the second law of thermodynamics? ATP’s energy makes it possible for low concentration matter to higher concentrations(against entropy), thus decreasing the entropy of the lower concentration.

READ:   Why is it called Marlboro 100?

What does second law of thermodynamics state?

For… In philosophy of physics: Thermodynamics. The second law of thermodynamics states that the total entropy of an isolated system (the thermal energy per unit temperature that is unavailable for doing useful work) can never decrease.

How does the second law of thermodynamics relate to the direction of heat flow?

How does the second law of thermodynamics relate to the direction of heat flow? Heat flows from hot to cold. When heat is added, energy flows from hot to cold, and when work is done.

Is there any relation between temperature and diffusion Class 8?

Answer: diffusion increases with temperature since kinetic energy of particles increases.

What is the relation between the kinetic energy and diffusion?

Each collision aids in the diffusion of a substance within a gas or liquid. Molecules with greater kinetic energy diffuse faster; in other words, the rate of diffusion increases as kinetic energy increases.

Why does heat increase diffusion?

The higher the temperature, the more kinetic energy the particles will have, so they will move and mix more quickly. The greater the surface area, the faster the rate of diffusion.

What is work and heat in the first law of thermodynamics?

READ:   What is the reason of illusion?

The First Law of Thermodynamics Work and heat are two ways of transfering energy between a system and the environment, causing the system’s energy to change. If the system as a whole is at rest, so that the bulk mechanical energy due to translational or rotational motion is zero, then the

How does the second law of thermodynamics relate to spontaneous processes?

Many processes occur spontaneously in one direction only, and the second law of thermodynamics deals with the direction taken by spontaneous processes. According to the second law of thermodynamics, it is impossible for any process to have heat transfer from a cooler to a hotter object as its sole result.

What is the zeroth law of thermodynamics?

The governing principle here is the zeroth law of thermodynamics, as described in Temperature and Heat on temperature and heat: If object 1 is in thermal equilibrium with objects 2 and 3, respectively, then objects 2 and 3 must also be in thermal equilibrium.

What is an open thermodynamic system?

Most systems are known as an open system, which can exchange energy and/or matter with its surroundings ( (Figure) ). (a) This boiling tea kettle is an open thermodynamic system. It transfers heat and matter (steam) to its surroundings.