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Because it depends upon light.
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∙ 12y ago
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Define quantum yield of a photo chemical reaction?
In photochemical reaction we have photons that passed to the surface starting photochemical reaction - producing some electrons. quantum yield=produced electrons/passed photons.
How is order of reaction determined graphically?
in our syllabus there is only the first and the zero order reaction in which if the graph is plotted between the concentration and time then it is a zero order reaction while if the graph is between the log of concentration and time then the reaction is of the first order.hope this will help u.
What type of reaction is it when methane reacts with bromine?
The reaction between methane and bromine is a photochemical reaction. Refer to the related link below.
What happens to the reaction rate as the reaction gets used up?
The reaction rate depends on the order of the reaction. In general (except for zero order), as the reaction progresses, the rate decreases with time.
Why do you need freshly prepared starch solution for iodometric titration?
because,starch undergoes a photochemical reaction. So, with the passage of time it can under go to the photochemical reaction and starch wouldnot be starch but it might have changed in anyother product. so...we should use freshly prepared starch.
What is difference between thermal and photochemical reaction?
Photochemical reaction: a chemical reaction induced by electromagnetic radiations: ul- traviolet, visible, etc.) Thermal reaction: a chemical reaction induced by increasing the temperature (ex.: thermal dissociation, etc.)
Wtite the reaction which is used in black and white photography?
Photolytic Reaction
What do you mean by photochemical reaction?
A primary photochemical reaction is the immediate consequence of the absorption of light. Subsequent chemical changes are called secondary processes. http://edelsteincenter.files.wordpress.com/2010/07/photochemistry.pdf
Define quantum yield of a photo chemical reaction?
In photochemical reaction we have photons that passed to the surface starting photochemical reaction - producing some electrons. quantum yield=produced electrons/passed photons.
What form of energy drives a photochemical reaction?
The energy in light
Where do photochemical reaction happen in plants?
it happens in the thylakoids of a chloroplast.
What is the decomposition reaction caused by light called?
photochemical reactions
How is order of reaction determined graphically?
in our syllabus there is only the first and the zero order reaction in which if the graph is plotted between the concentration and time then it is a zero order reaction while if the graph is between the log of concentration and time then the reaction is of the first order.hope this will help u.
What critical step in photosynthesis do photochemical reaction occur?
The splitting of water
What greenhouse gas that in the lower troposphere is formed by photochemical reaction?
ozone
What type of reaction is it when methane reacts with bromine?
The reaction between methane and bromine is a photochemical reaction. Refer to the related link below.
If the order of a chemical reaction with respect to one of its reactants is zero how does that reactant's concentration affect the rate of the chemical reaction?
It doesn't - the reaction rate will not change regardless of how much of that reactant is added. That's the definition of zero-order.
