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Agitation and heat.
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What factors most affect the rate of diffusion in a liquid or agas?
Two factors which determine the rate of diffusion of a liquid in another liquid include temperature and particle size. The higher the temperature, the faster diffusion takes place, and the smaller the particle, the faster diffusion takes place.
What can increase the chance of a reaction when two molecules collide?
An increase in the temperature usually increases the rate of reaction by increasing the number of collisions.
When two gases are mixed what is it called?
A process of gas diffusion occur and a mixture of gases is obtained.
What other two ways of increasing rates of reaction?
There are 4 ways to speed up rate of reactionTemperature - if you increase this then ther will be more molecules with sufficient energy to reach 'over' the activation energy barrierConcentration - there are more molecules, so more collisionsCatalyst (or enzyme in bio-organic reactions) - this is a substance that speeds up the rate of reaction as it lowers the activation energy reaction 'barrier', meaning more collisions will be succesfulSurface Area - if one of the reactants is a solid then breaking it up it into smaller pieces will increase surface area at which more molecules can collide to react.It's all based on the collision theory.
What is a combustion reaction describe two ways in which you could increase the route of a combustion reaction?
heat and air
What are two ways that the size of population can increase?
Increased Birth Rate or decreased Death Rate
What are two ways to increase the rate of oxygen up take?
Two ways to increase oxygen pick up by mammals would include breathing more deeply and breathing more rapidly
What results would you expect if two models were compared in a diffusion test?
The rate of diffusion would be faster for the right cylinder.
What factors most affect the rate of diffusion in a liquid or agas?
Two factors which determine the rate of diffusion of a liquid in another liquid include temperature and particle size. The higher the temperature, the faster diffusion takes place, and the smaller the particle, the faster diffusion takes place.
What would you expect if two models were compared in a diffusion test?
The rate of diffusion would be faster for the right cylinder.
What results would you expect if these two models were compared in a diffusion?
The rate of diffusion would be faster for the right cylinder.
What result would you expect if these two models were compared in a diffusion test?
The rate of diffusion would be faster for the right cylinder.
What are two ways of moving things into and out of cells that do not need?
Diffusion and Osmosis
What are the two ways of moving things into and out of the cells that do not need energy?
osmosis and diffusion
What are two ways of moving things into and out of cells that do not need energy?
Diffusion and Osmosis
Are effusion and diffusion are two ways that gases mix with other gases?
True.
What are two ways to increase the current in a simple cell?
Two ways to increase the current would be to increase the surface area of the electrodes and make changes to the electrolyte to speed up the movement of the ions (this might involve increasing the concentration of the electolyte or warming it up to speed up diffusion).
