what does balanced chemical equation mean?
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The chemical equation needs to be balanced so that it follows the law of conservation of mass. A balanced chemical equation occurs when the number of the different atoms of elements in the reactants side is equal to that of the products side. Balancing chemical equations is a process of trial and error.
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balanced equation. a chemical equation in which mass is conserved; each side of the equation has the same number of atoms of each element. combination reaction. a chemical change in which two or more substance react to form a single new substance; also called a synthesis reaction.
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Fe + O2 = Fe2O3 - Chemical Equation Balancer. ChemicalAid.
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Summary. The net ionic equation shows only the chemical species that are involved in a reaction, while the complete ionic equation also includes spectator ions. ... Write the balanced molecular equation, including the state of each substance.
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There are two oxygen atoms in the reactants and two atoms of oxygen in the product. The law of conservation of matter has been satisfied. When the reactants and products of a chemical equation have the same number of atoms of all elements present, we say that an equation is balanced.
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When you balance a chemical equation, you change coefficients. You never change subscripts. A coefficient is a whole number multiplier. To balance a chemical equation, you add these whole number multipliers (coefficients) to make sure that there are the same number of atoms on each side of the arrow.
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A mole ratio is a conversion factor that relates the amounts in moles of any two substances in a chemical reaction. The numbers in a conversion factor come from the coefficients of the balanced chemical equation.
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All the chemical reactions follow conservation of mass. It means molar masses of left hand side of a chemical equation showing reactants must be equal to the molar masses of product(s),so that chemical equations are balanced.
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We balance equations for three primary reasons. ... A balanced equation obeys the Law of Conservation of Mass. This is an important guiding principal in science. Finally, a balanced equation lets up predict the amount of reactants needed and the amount of products formed.
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A balanced chemical equation occurs when the number of the atoms involved in the reactants side is equal to the number of atoms in the products side. In this chemical reaction, nitrogen (N2) reacts with hydrogen (H) to produce ammonia (NH3). The reactants are nitrogen and hydrogen, and the product is ammonia.
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A balanced reaction is a one in which the no. of moles of each element in the reaction is equal to the no. of moles of the corresponding elements in the product. An unbalance equation is a one in which the no.
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A "mole ratio" is a conversion factor derived from the coefficients of a balanced chemical equation interpreted in terms of moles. What happens in "chemical calculations"? In "chemical caculations", "mole ratios" are used to convert between moles of reactants and moles of products.
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There is a strategy that will help you balance equations more quickly. It is called balancing by inspection. Basically, you look at how many atoms you have on each side of the equation and add coefficients to the molecules to balance out the number of atoms.
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HCl + NaOH = NaCl + H2O - Chemical Equation Balancer.
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The mole ratio is the ratio of moles of one substance to the moles of another substance in a balanced equation. Use of mole ratios allows us to convert from one chemical substance to another.
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Every chemical equation adheres to the law of conservation of mass, which states that matter cannot be created or destroyed. ... When an equal number of atoms of an element is present on both sides of a chemical equation, the equation is balanced.
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For any balanced chemical reaction, whole numbers (coefficients) are used to show the quantities (generally in moles ) of both the reactants and products. For example, when oxygen and hydrogen react to produce water, one mole of oxygen reacts with two moles of hydrogen to produce two moles of water.