The law of conservation of _____ states that all particles must be equal before and after the reaction.
word bank:elements, magnitude matter,mass,stress ,gradual chemical,physical ,weight.
Apparently you didn't try Google!
http://www.google.com/#q=law+of+conservation+of+equal+particles
The law of conservation of mass states that the total mass of all substances involved in a chemical reaction remains the same before and after the reaction. To understand why this is the case, you need to consider the basic principles of chemistry.
Chemical reactions involve the rearrangement of atoms to form new substances. Atoms are the fundamental building blocks of matter, and each element is made up of a specific type of atom. During a chemical reaction, atoms are neither created nor destroyed. Instead, they are rearranged to form new compounds. This means that the total number of atoms of each element present in the reactants must be equal to the total number of atoms of each element in the products.
Since atoms have mass, the total mass of the reactants in a chemical reaction must be equal to the total mass of the products. This is described by the law of conservation of mass. So, regardless of the nature of the reaction or the substances involved, the total mass of all particles (atoms, ions, molecules) must be conserved.
To validate the law of conservation of mass in a chemical reaction, you can perform a detailed analysis. First, you need to determine the mass of the reactants by weighing them before the reaction. Then, you carry out the reaction under controlled conditions. After the reaction is complete, you collect and weigh the products. By comparing the mass of the reactants and the products, you can determine if mass is conserved or not. If the masses are the same, it supports the law of conservation of mass.
In summary, the law of conservation of mass states that the total mass of all particles involved in a chemical reaction remains constant. This principle can be observed and tested through careful measurement of the masses of reactants and products.