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The equation that shows conservation of both mass and charge is the continuity equation, ∂ρ/∂t + ∇⋅J = 0, where ρ is the charge density and J is the current density in an electromagnetic field. This equation states that the rate of change of charge density plus the divergence of the current density must equal zero, implying that charge is conserved locally. Additionally, in nuclear reactions, mass-energy equivalence (E=mc^2) relates the conservation of mass and energy.
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What must be equal in a balanced ionic equation?
In a balanced ionic equation, the number of atoms of each element on both sides of the equation must be equal, as well as the total charge on each side. This is achieved by adjusting the coefficients of the reactants and products to ensure the conservation of mass and charge.
Which law of physical science mustbe followed when balancing chemical equations?
Initial answer - (which happens to be wrong - but has been kept because it illustrates a misunderstanding that you want to avoid): has to have the same number of moles on both side because u cannot make or destroy moles mmm ... not exactly As an example, the combustion of hydrogen is 2H2 + O2 ==> 2H2O In this example you could start with 3 moles (2 moles of H2 and 1 mole of O2) and wind up with 2 moles (of H2O). The law that must be obeyed is "Conservation of mass". Using the example above, you start with 4 hydrogen atoms and 2 oxygen atoms in the reactants and end with 4 hydrogen atoms and 2 oxygen atoms in the products. The mass is conserved.
When is an equation correctly balanced?
An equation is balanced when the number of each kind of atoms and the total charge of all particles are the same or equal for both the reactants and the products (ie on both sides of the equation).
What do you do to determine whether or not a chemical equation demonstrates the law of conservation of mass?
All properly solved chemical equations demonstrate the law of conservation of mass by having the same number of atoms on both sides, showing that no atoms were created or destroyed in the chemical reaction.
Explain how a balanced equation supports the law of conservation of mass?
A balanced chemical equation shows that the total mass of reactants equals the total mass of products, which supports the law of conservation of mass. This law states that mass cannot be created or destroyed in a chemical reaction, only rearranged. By balancing the equation, we ensure that the number of atoms of each element is the same on both sides, preserving mass.
What must be equal in a balanced ionic equation?
In a balanced ionic equation, the number of atoms of each element on both sides of the equation must be equal, as well as the total charge on each side. This is achieved by adjusting the coefficients of the reactants and products to ensure the conservation of mass and charge.
What two quantities are conserved in redox equations?
there is a conservation of mass and charge.
Which law of physical science mustbe followed when balancing chemical equations?
Initial answer - (which happens to be wrong - but has been kept because it illustrates a misunderstanding that you want to avoid): has to have the same number of moles on both side because u cannot make or destroy moles mmm ... not exactly As an example, the combustion of hydrogen is 2H2 + O2 ==> 2H2O In this example you could start with 3 moles (2 moles of H2 and 1 mole of O2) and wind up with 2 moles (of H2O). The law that must be obeyed is "Conservation of mass". Using the example above, you start with 4 hydrogen atoms and 2 oxygen atoms in the reactants and end with 4 hydrogen atoms and 2 oxygen atoms in the products. The mass is conserved.
When is an equation correctly balanced?
An equation is balanced when the number of each kind of atoms and the total charge of all particles are the same or equal for both the reactants and the products (ie on both sides of the equation).
What do you do to determine whether or not a chemical equation demonstrates the law of conservation of mass?
All properly solved chemical equations demonstrate the law of conservation of mass by having the same number of atoms on both sides, showing that no atoms were created or destroyed in the chemical reaction.
Explain how a balanced equation supports the law of conservation of mass?
A balanced chemical equation shows that the total mass of reactants equals the total mass of products, which supports the law of conservation of mass. This law states that mass cannot be created or destroyed in a chemical reaction, only rearranged. By balancing the equation, we ensure that the number of atoms of each element is the same on both sides, preserving mass.
A chemical equation must be balanced to satisfy the law of what?
A balanced chemical reaction obeys the law of conservation of mass, because the same number of atoms of each element must appear on both sides of the equation for the reaction, and in any actual reaction, the same exact atoms will be found on both sides of the equation.
What is a chemical equation that shows the same number of each kind of atom on both sides of the equation called?
Balanced
How does a correctly written chemical equation show that atoms are not lost in a chemical equation?
By having the same numbers of atoms of each kind of element present in the equation in the written numbers (coefficient multiplied by subscript) of each kind of element on both sides of the equation.
What is an imperfectly balanced equation?
An equation for a chemical reaction in which the number of atoms for each element in the reaction and the total charge are not the same for both the reactants and the products. In other words, the mass and the charge are not balanced on both sides of the reaction. This is also called as a unbalanced equation.
What particles must have an equal number on both sides of a chemical equation?
Due to the law of conservation of mass and matter, all particles must have an equal number on both sides of a chemical equation. An equal number of atoms of each element involved must be on each side of the equation.
Is the products of the reaction shown in a balanced chemical equation?
. A balanced equation is an equation for a chemical reaction in which the number of atoms for each element in the reaction and the total charge is the same for both the reactants and the products. In other words, the mass and the charge are balanced on both sides of the reaction.
