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What is the amount of fissionable material that must be present in order for a nuclear reaction to take place called?
The critical mass. With an amount of U-235 or Pu-239, the smallest critical mass will be a sphere. For a nuclear reactor, it will be the minimum number of fuel assemblies loaded to produce a chain reaction.
What happens when something burns and why does it produce heat and light?
When something burns, it undergoes a chemical reaction called combustion. During combustion, the material combines with oxygen in the air to produce heat and light. The heat is generated because the chemical bonds in the material are broken, releasing energy. The light is produced as a result of the high temperatures reached during the combustion process, causing the material to emit photons.
What particle is needed to begin a nuclear chain reaction?
Neutrons are the important particles of nuclear chain reactions and the reactions depend on them. The neutrons do not really start the fission, reaction, however, because the neutrons come from fission in the fuel.The material in the fuel, typically a mix of 235U and 238U, undergoes fission spontaneously. When a fission event happens, more neutrons, typically two or three, are emitted. These bounce about from atom to atom, until they cause another atom to undergo fission, releasing more neutrons to increase the rate at which atoms undergo fission.But the neutrons needed for the chain reaction are actually produced by the fuel spontaneously, and these are produce in an ongoing manner with or without critical mass. So it is not a particle that starts the chain reaction; it is the act of putting together a critical mass.
What happens if a nuclear chain reaction is not controlled?
If a nuclear chain reaction is not controlled, it can lead to a runaway reaction with an increase in heat and radiation release beyond safe levels. This can result in a nuclear meltdown, leading to damage to the reactor core and potential release of harmful radioactive materials into the environment.
For a chain reaction to occur each vision must produce at least more fission reaction Apex?
In a chain reaction, each fission reaction must produce at least one additional fission reaction to sustain the reaction. This is necessary to achieve a self-sustaining nuclear reaction where each fission event leads to more fission events, releasing energy in the process. Without this multiplication of fission reactions, the chain reaction would not be able to continue and sustain itself.
What is the amount of fissionable material that must be present in order for a nuclear reaction to take place called?
The critical mass. With an amount of U-235 or Pu-239, the smallest critical mass will be a sphere. For a nuclear reactor, it will be the minimum number of fuel assemblies loaded to produce a chain reaction.
The smallest amount of a fissionable material that will give a self-sustaining chain reactions is called the?
The smallest amount of a fissionable material that will produce a self-sustaining chain reaction is called the critical mass. This mass of affected by geometry and other factors such as temperature, pressure, and moderator.
What is the minimum amount of unstable atoms needed to produce an uncontrolled chain reaction is called?
The minimum amount of unstable atoms needed to produce an uncontrolled chain reaction is called critical mass.
What is required to produce the chemical reaction of hydrogen and oxygen?
Lol trying to blow up the ocean
Whether raw material required to produce the goods consumed by people is sufficient?
chat with me Spell check your answer
What does reactants mean in science?
Reactants are the substances that participate in a chemical reaction and are consumed to produce products. They are the starting materials that undergo chemical changes during the reaction.
What is direct metrial and direct labor?
Direct material is that raw material which is required to produce the goods while direct labor is that cost without which no goods can be manufactured.
Are direct materials fixed costs?
Direct material is variable cost because to produce any unit of product direct material required which changes with change in production level.
Is an exothermic reaction will produce heat and will be reabsorbed to increase the rate of reaction?
Have you heard of Haber-Bosch process of production of ammonia. This is an example of the question you asked. If we apply the required heat in the beginning of the reaction we do not need to apply it again as its exothermic reversible reaction and will use the heat to continue the reaction. But the rate of reaction is not increased.
How do you explain reactant and product?
Reactants are substances that are consumed in a chemical reaction to produce new substances called products. Reactants are present at the beginning of a reaction, while products are formed as a result of the reaction. The reactants undergo chemical changes to form the products during the reaction process.
What reaction takes place to produce quicklime?
Thermal Decomposition is the name of the reaction to produce quicklime from limestone.
Is an ability to burn physical or chemical?
It is a chemical property, as it involves a chemical change.
