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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
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.)
How is photochemical smog formed and what harm can it cause?
Photochemical smog is formed when sunlight reacts with pollutants like nitrogen oxides and volatile organic compounds from vehicle emissions. This reaction forms ground-level ozone and other harmful pollutants. Photochemical smog can cause respiratory issues, eye irritation, and damage to vegetation.
Wtite the reaction which is used in black and white photography?
Photolytic Reaction
What form of energy drives a photochemical reaction?
The energy in light
Which describes the role of sunlight in chemical reactions?
Sunlight can initiate or accelerate some chemical reactions by providing the energy needed to break chemical bonds. This process is called photochemical reaction. Sunlight can also be essential in photosynthesis, where plants use it to convert carbon dioxide and water into glucose and oxygen.
What critical step in photosynthesis do photochemical reaction occur?
The splitting of water
What does the word photochemical mean?
Photochemical refers to a chemical reaction that is triggered or influenced by light. It involves the absorption of light energy to initiate a reaction. Photochemical processes are widely used in areas such as photography, environmental science, and organic chemistry.
What is the photochemical reaction of starch?
Starch cannot undergo a photochemical reaction as it is not a substance that reacts to light to produce a chemical change. Starch is a complex carbohydrate molecule made up of glucose units and does not have photochemistry properties.
How is photochemical smog created?
There are two major types of smog: photochemical and industrial smog. Photochemical smog is created through a reaction by which air pollutants are struck by sunlight, and form particulate matter and tropospheric ozone. The air pollutants that are most responsible for this type of smog are nitrogen oxides (NOx) and volatile organic compounds (VOCs). Photochemical is especially a problem in areas with many cars, coal-burning power plants, and the right weather conditions. Los Angeles, CA is a city that often has to deal with photochemical smog.
How is photochemical created?
There are two major types of smog: photochemical and industrial smog. Photochemical smog is created through a reaction by which air pollutants are struck by sunlight, and form particulate matter and tropospheric ozone. The air pollutants that are most responsible for this type of smog are nitrogen oxides (NOx) and volatile organic compounds (VOCs). Photochemical is especially a problem in areas with many cars, coal-burning power plants, and the right weather conditions. Los Angeles, CA is a city that often has to deal with photochemical smog.
What is the statement of Stark-Einstein's law of photochemical equivalence?
Stark-Einstein's law of photochemical equivalence states that each photon absorbed or emitted in a photochemical reaction is associated with the activation of one molecule. This law helps to explain the relationship between light energy and the number of molecules undergoing photochemical reactions.
