In a strike-anywhere match friction turns red-phosphorus into white phosphorus which burns in contact with air.
No, kinetic energy is not a source of activation energy. Activation energy is the minimum amount of energy required to start a chemical reaction, while kinetic energy is the energy of motion possessed by an object.
No, fire is not electrical energy. Fire is a chemical reaction that occurs when a fuel source combines with oxygen and ignites, releasing heat and light. Electrical energy is the energy associated with the flow of electrons in a circuit.
Kinetic energy can generate light through processes like friction, where mechanical energy is converted to heat, causing light to be emitted. An example is the striking of a matchstick, where the kinetic energy generates heat that ignites the chemicals on the matchstick tip, producing light.
Energy conversion in a stove occurs when electrical or chemical energy (from a power source or fuel) is converted into heat energy. The electricity or fuel ignites a flame or heating element in the stove, which generates heat energy that is then transferred to the cookware and ultimately to the food being cooked. This process allows the stove to convert energy into usable heat for cooking.
The main source of energy for skin sensation is the activation of sensory nerve fibers in the skin that respond to various stimuli such as touch, temperature, and pain. These nerve fibers transmit signals to the brain, which processes the information and creates the sensation of touch or other skin-related stimuli.
No, kinetic energy is not a source of activation energy. Activation energy is the minimum amount of energy required to start a chemical reaction, while kinetic energy is the energy of motion possessed by an object.
catalyst
A catalyst.
Living things use enzymes instead of a heat source of activation energy because they speed up chemical reactions as well as the metabolism in those living things.
The amount of energy needed to start a chemical reaction. Source: Biology class
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The pathway with the greatest activation energy is often one that involves breaking strong chemical bonds or complex rearrangements, such as in nuclear reactions or some enzyme-catalyzed processes. These reactions require more energy input to initiate the reaction compared to other pathways with lower activation energies.
Activation energy to break chemical bonds is provided by an external energy source, typically in the form of heat or light. This additional energy helps overcome the energy barrier required to break the existing bonds and initiate a chemical reaction.
mitochondria in animals and chloroplasts in plants (these produce ATP [adenosine triphosphate] which is coupled to endothermic reacitons to provide the necessary activation energy)
No, fire is not electrical energy. Fire is a chemical reaction that occurs when a fuel source combines with oxygen and ignites, releasing heat and light. Electrical energy is the energy associated with the flow of electrons in a circuit.
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