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What can an exothermic reaction do?
An exothermic reaction releases heat energy to its surroundings. This can result in temperature increases, light emission, or the production of hot gases. Examples include combustion reactions, neutralization reactions, and some chemical reactions in living organisms.
Why are combustion reactions considered exceptions to the rules of chemical reactions?
Combustion Reactions are always reacted with Oxygen gas in this case if you had C3H8+O2 you will ALWAYS get H2O+CO2 it does not matter if you have C100H54+O2 you will still get H2O+CO2 this is why combustion reactions are considered exceptions to the rules of a product or chemical reaction.
What are the agents of chemical change?
The agents of chemical change are catalysts, which are substances that speed up chemical reactions without being consumed in the process. Other agents include heat, light, and electricity, which can also initiate or accelerate chemical reactions. Additionally, enzymes are biological catalysts that play a key role in facilitating chemical changes in living organisms.
Where do you get heat and light?
Heat and light can be generated from various sources such as the sun, fire, electricity, or chemical reactions. The sun is the primary source of both heat and light for Earth, while artificial sources like light bulbs and heaters use electricity to produce heat and light.
Why silver bromide is stored in brown bottles?
Silver bromide is sensitive to light and can degrade when exposed to it. Storing it in brown bottles helps to protect it from light exposure, which can prevent unwanted chemical reactions and maintain its quality and effectiveness for longer periods of time.
What is an important factor in all chemical reactions?
An important factor in all chemical reactions is the type and arrangement of atoms involved. The way in which atoms interact with one another dictates the outcome of a chemical reaction.
What reactions convert light energy to chemical energy?
The light dependent reactions take in the light energy and convert that to chemical energy, but it is in the Calvin cycle (light independent reactions) where the chemical energy is stored in a complex sugar.
What energy helps chemical reactions to form?
Heat helps chemical reactions to take place. Light can also cause some chemical reactions to take place.
What is the relationship between the light and dark reactions in photosynthesis and how do they work together to convert light energy into chemical energy?
The light reactions and dark reactions in photosynthesis are two stages that work together to convert light energy into chemical energy. In the light reactions, light energy is absorbed by chlorophyll in the chloroplasts, leading to the production of ATP and NADPH. These molecules are then used in the dark reactions, also known as the Calvin cycle, to convert carbon dioxide into glucose. Overall, the light reactions provide the energy needed for the dark reactions to occur and for the conversion of light energy into chemical energy.
What are the reactions in which light energy from the sun is converted to chemical energy called?
light-dependent reactions. such as photosynthesis in green plants.
The light reactions of photosynthesis convert what energy to what energy?
During photosynthesis plants transform light energy from the sun to chemical energy.
What are light independent and dependent reactions?
Light dependent reactions are reactions the capture light energy and convert it into chemical energy(ATP). It occur in the chloroplast of plant cells Light independent reactions are reactions capture energy and use it to produce food . It does not need sunlight
Which is the most important way in which the laser technique for controlling chemical reactions differs from earlier methods?
it uses light beems and modern technology!
What is light independence?
A phase in which light is not necessary. Depending on the context it may be for chemical reactions.
Breaking a light stick chemical change?
When you break a light stick, it is a physical change, not a chemical change. The breaking of the light stick only changes its physical state but does not alter its chemical composition. This is because the chemical reactions that produce light in a light stick have already occurred when the stick was activated, and breaking it does not initiate any new chemical reactions.
The chemical reactions of the light dependent process occur in the?
The chemical reactions of the light-dependent process occur in the thylakoid membrane of chloroplasts. Key reactions include light absorption by chlorophyll, the splitting of water molecules to release oxygen, and the generation of ATP and NADPH molecules. These reactions are essential for the production of energy-rich molecules that drive the light-independent reactions of photosynthesis.
Why is chemistry reactions are important?
Without chemical reactions life wouldn't exist, plants couldn't convert light to energy, we couldn't convert meat to energy, cars wouldn't run, wood wouldn't burn, the universe would be dead. Chemical reactions are at the heart of most of the processes of the Universe.
