0
What are the total number of atoms conserved in a chemical reaction?
Wiki User
∙ 13y ago
The same number of atoms as in the products! This must be true to uphold the law of conservation of mass, which states that matter cannot be created or destroyed.
Wiki User
∙ 11y ago
Anonymous
Anonymous
Wiki User
∙ 15y agoIn nuclear fission reactors every fission that occurs uses one atom of uranium 235 and destroys it. Some neutrons that are emitted turn uranium 238 into plutonium, which is itself fissile, so the same is then true for fissions of plutonium, each fission destroys one atom of plutonium. This is happening millions of times per second to produce the reactor power. Gradually the U235 gets used up, but this is made up for to some extent by the formation of plutonium, until that also gets used up. Eventually the fuel rod does not contain enough fissile material to be able to sustain the chain reaction, and it has to be removed and changed for a new one. At every fuelling outage a certain number of fuel assemblies are changed for new ones, so that at any time in the reactor's life there is a range of U235 enrichment in various fuel assemblies. Reactor physicists use computer simulations to be able to predict which assemblies to change at each outage, and to ensure that the reactor will be able to operate at full power until the next fuelling outage. Generally one could say that enrichment of U235 goes from about 4 percent at start of new fuel life, down to less than 1 percent when that fuel is removed.
Wiki User
∙ 13y agoAll atoms are conserved. Only a nuclear reaction destroys atoms.
Wiki User
∙ 11y agoThe number and kinds of atoms in the reactants is the same as the number and kind of atoms in the products in a chemical reaction.
beatz Clapz
..
Add your answer:
Earn +20 pts
If five atoms of hydrogen are reactants in a chemical reaction then how many atoms of hydrogen will be found in the products of that reaction?
Mass is conserved in a chemical reaction, so the mass before must equal the mass after. If you have five atoms before, you must have five atoms after.
How many potassium atoms are in the reactants of the chemical reaction?
The same number you started with. In every chemical reaction the total number of atoms at the start is the same as the number of atoms at the end.
Are atoms conserved in chemical reactions?
The same number of each type of atom (each element) still exists after a chemical reaction. They simply attach to other atoms (or detach) in various ways to form molecules (or molecules break apart into atoms).
What makes up the mass in a chemical reaction?
The atoms.
What happens to the individual atoms in a chemical reaction?
They are rearranged
Ions that do not change in a chemical reaction is?
When a chemical reaction takes place, matter is conserved. The number and types of atoms in the reactants do not change in the products.
What is conserved when one balances a chemical equation?
Mass (Matter) and Energy is conserved during a Chemical equation
How does a chemical equation show that matter is always conserved in a chemical reaction?
According to the Law of Conservation Of Mass,Matter is neither created nor destroyed.It means a chemical equation show that matter is always conserved in a chemical reaction.It is shown as number of atoms both sides of the reaction before and after remains the same.
In any chemical reaction the quantities that are preserved are?
In any chemical reaction the quantities that are conserved are mass and number of atoms. After the correct formula for a reactant in an equation has been written, the formula should not be changed.
If five atoms of hydrogen are reactants in a chemical reaction then how many atoms of hydrogen will be found in the products of that reaction?
Mass is conserved in a chemical reaction, so the mass before must equal the mass after. If you have five atoms before, you must have five atoms after.
How many potassium atoms are in the reactants of the chemical reaction?
The same number you started with. In every chemical reaction the total number of atoms at the start is the same as the number of atoms at the end.
Why do reactants in a chemical reaction weigh exactly the same as different products at the end of a reaction?
Energy may only be transformed from one sort to another. Mass is a form of Energy and as such, must be, and is, conserved. It is 'of no surprise' then, that the number of atoms that enter a chemical reaction is equal to the number of atoms that exist after the reaction has been completed.
Does the number of atoms entering the reaction stay the same as the number put out by the reaction?
Chemical reactions do not change the number of atoms so yes, the number of atoms stays the same.
Does a chemical equation show the number of atoms lost during a chemical reaction?
no
Why the the number of atoms conserved but the number of molecules is not in a chemical equation?
Molecules are combinations of multiple atoms. In a chemical reaction, the bonds between the atoms are broken and new ones form, usually with a lower amount of energy than when they started. In a reaction such as synthesis of hydrogen (H2) and Oxygen (O2) to form water (H2O), the formula would look like this- 2(H2)+(O2)=2(H2O). there are there are three molecules on the left and two on the right. however the number of atoms are the same.
Are atoms conserved in chemical reactions?
The same number of each type of atom (each element) still exists after a chemical reaction. They simply attach to other atoms (or detach) in various ways to form molecules (or molecules break apart into atoms).
What is conserved in the reaction shown below. N g plus 3F g 2NF g?
Mass is conserved in any chemical reaction. If the reaction is balanced it will show that mass is conserved. In others words the mass of the reactants will equal the mass of the products...just to add the balanced reaction should be (i didn't know if you forgot the subscripts or not): N2 + 3F2 --> 2NF3 so is it atoms only mass only mass and atoms only or moles only
