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Studentka2010 [4]
3 years ago
15

How does the law of conservation of mass relate to the number of atoms of each element that are present before a reaction vs. th

e number of atoms of each element that are present after a chemical reaction?
Chemistry
1 answer:
TiliK225 [7]3 years ago
6 0
The law of conservation of mass or principle of mass conservation states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as system's mass cannot change, so quantity cannot be added nor removed. Hence, the quantity of mass is conserved over time.

The law implies that mass can neither be created nor destroyed, although it may be rearranged in space, or the entities associated with it may be changed in form. For example, in chemical reactions, the mass of the chemical components before the reaction is equal to the mass of the components after the reaction. Thus, during any chemical reaction and low-energy thermodynamic processes in an isolated system, the total mass of the reactants, or starting materials, must be equal to the mass of the products.

According to the Law of Conservation, all atoms of the reactant(s) must equal the atoms of the product(s).
As a result, we need to balance chemical equations. We do this by adding in coefficients to the reactants and/or products. The compound(s) itself/themselves DOES NOT CHANGE.
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When monovalent cation (X) binds to divalent anion (Y) it will form
Romashka-Z-Leto [24]

When a monovalent cation X binds to a divalent anion Y, a compound with the formula X_2Y would be formed.

A monovalent cation is an atom that has lost an electron. Hence, such cation has a single positive charge. A monovalent cation X will, thus, be X^+

A divalent anion is an atom that has gained two electrons. Such anion has 2 negative charge. Thus, divalent Y would be Y^2^-

Since Y is a divalent anion, it requires 2 electrons in order to successfully bind with another charged atom, a cation to be specific. Thus, two of  X^+ would be required to successfully bind  Y^2^-

   Y^2^- + X^+ + X^+ ----> X_2Y

More on the chemical formula can be found here: brainly.com/question/16741890

8 0
3 years ago
a particular compound has the empirical formula CH2O. its molar mass is 240.0 g/mol. predict the molecular formula for this comp
jarptica [38.1K]
<span>The molecular formula is 8(CH2O)= C8H16O8.</span>
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3 years ago
The number 1x10^100 is called a googol. Write the number 50 googols in standard form.​
lyudmila [28]

Answer:

Explanation:

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come on, who would write that in standard form...

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skelet666 [1.2K]

Answer:

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5 0
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