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Diffusion is the movement of particles from a high concentration to a lower concentration. Using particle theory, imagine that you have a substance i.e perfume. When you spray the perfume at first it is quite strong in one area but weaker in the other area. This is because the particles of the perfume want to spread out to form an equilibruim. So the particles move away from each other so there is a 50/50 ratio of perfum on either side of the room.
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What did robert koch discovered by using a compound microscope?
Robert Koch discovered the bacteria responsible for causing anthrax by using a compound microscope. He was able to observe the bacteria's distinct rod shape and spore formation, leading to his groundbreaking work on germ theory and disease causation.
How did Jean Baptiste Lamarck's work affect scientific theory?
Jean Baptiste Lamarck's work proposed the theory of inheritance of acquired traits, where individual organisms can pass on traits acquired during their lifetime to their offspring. This theory influenced early evolutionary thought but was largely replaced by Charles Darwin's theory of natural selection. Lamarck's work highlighted the idea of organisms adapting to their environment, sparking further discussion in the field of biology.
How does endocytosis work?
In endocytosis, molecules or other particles that are too large to enter a cell by diffusion, facilitated diffusion, or active transport are conveyed within a vesicle formed from a section of the cell membrane. This process uses cellular energy.
What did Robert Koch discover by using the compound microscope?
Robert Koch discovered the causal relationship between microbes and infectious diseases, such as anthrax and tuberculosis, by using a compound microscope to observe and identify bacteria. His work helped lay the foundation for the field of microbiology and the development of germ theory.
What does it mean when it states that evolution is just a theory?
Evolution is a fact. The theory of evolution by natural selection is what you are trying to talk about. When someone says " evolution is just a theory " they are using the vulgar, common sense of the word theory. They mean guess, hunch and the like. The theory of evolution by natural selection is in the scientific sense of the word theory, which means a body of explanatory work supported by myriad lines of converging evidence that has been tested rigouusly and replicated often. Any good dictionary uses this scientific meaning of theory as the primary meaning of the word.
In which direction do channels using facilitated diffusion work?
Left
Which scientist said that atoms are the smallest particle of an element that retains its chemical properties?
John Dalton, an English scientist, proposed the theory that atoms are the smallest particle of an element that retains its chemical properties. His work on atomic theory laid the foundation for modern chemistry.
What did otto von guericke contribute to the particle theory?
Otto von Guericke contributed to the particle theory by conducting the famous Magdeburg hemispheres experiment which demonstrated the concept of a vacuum and the existence of air pressure. His work helped in understanding the nature of particles and their behavior in a vacuum.
Which subatomic particle did James chadwick discover?
James Chadwick discovered the neutron, a subatomic particle that is found in the nucleus of an atom. He made this discovery in 1932, building upon the work of previous scientists in the field of atomic theory.
How do you determine work done by electric field?
The work done by an electric field on a charged particle can be calculated using the formula: Work = charge of the particle x electric field strength x distance moved. The work is positive if the electric field and the displacement are in the same direction, and negative if they are in opposite directions.
How does diffusion work in perfume?
Yes it is
In which case does an electric field do positive work on a charged particle?
An electric field does positive work on a charged particle when the direction of the electric field is the same as the direction of the particle's movement.
What are the consequences for a cell if it cannot carryout osmosis and diffusion effectively?
The cell will work but not very well because osmosis and diffusion did not occur but sometimes it will work anyways
What can be said about the speed of a particle if the net work done on it is zero?
In that case, basically no force acts on the particle, and the particle moves at a constant speed. This constant speed may, or may not, be zero.
Can liquid and gas particles diffuse together?
Yes, liquid and gas particles can diffuse together. Diffusion is the movement of particles from an area of higher concentration to an area of lower concentration, and it can occur between different phases of matter. The speed of diffusion may vary depending on the properties of the substances involved.
What is the formula for the work done by an electric field on a charged particle?
The formula for the work done by an electric field on a charged particle is given by W qEd, where W represents the work done, q is the charge of the particle, E is the electric field strength, and d is the distance the particle moves in the field.
Particle theory of matter say about?
The Particle Theory has 4 laws:1) All matter is composed of particles2) These particles have spaces between them3) These particles are always moving4) Particles are attracted to each otherThe theory is used to explain how every day things work. For example dissolving can be explained as the particles are simply rearranging themselves to fit between other particles.*Note the word theory in the title, it is there for a reason. This is purely hypothetical and has not been proven... yet.*Also particles have also been referred to as molecules.
