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What is atom molecule?
An atom is the smallest unit of an element that retains its chemical properties. A molecule is a group of atoms bonded together. Molecules can be made up of atoms of the same element (like O2) or different elements (like H2O).
What is the chemical equation for complete combustion of a hydrocarbon?
The general chemical equation for the complete combustion of a hydrocarbon is: Hydrocarbon + O2 -> CO2 + H2O For example, the combustion of methane (CH4) can be represented as: CH4 + 2O2 -> CO2 + 2H2O
Why are state symbols used in a chemical equations?
State symbols in chemical equations are used to indicate the physical state of the substances involved (solid, liquid, gas, or aqueous solution). This information is important because the physical state can affect the reaction conditions and the behavior of the substances in the reaction. Including state symbols provides a more complete and accurate representation of the chemical reaction.
What information does a net ionic equation give that a complete ionic equation doesn't show?
A net ionic equation shows only the ions that are directly involved in the reaction, excluding spectator ions. This helps focus on the key components of the reaction, highlighting the actual chemical change that occurs. In comparison, a complete ionic equation includes all ions present in the reaction, including spectator ions that do not participate in the chemical change.
Gun powder explodes is it a chemical or physical change?
Chemical, since it is no longer gun powder after the reaction, it is smoke.
What is the difference between the chemical and physical properties for sodium chloride?
For all materials physical properties are related to some characteristics as density, hardness, refractive index etc. and the chemical properties are related to some characteristics as chemical reactivity, flammability, oxydation etc. Physical properties are characterized by getting back the original material by changing its form, state, etc. Chemical properties are characterized by a complete change in the material itself i.e. you cannot get back the same material.
What physical properties?
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Physical properties are?
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What does it mean in algebra to complete the square?
A quadratic equation can be solved by completing the square which gives more information about the properties of the parabola than with the quadratic equation formula.
What is an arrangement of chemical formulas and symbols that represent a complete chemical reaction called?
A chemical equation represents a complete chemical reaction. It includes chemical formulas and symbols for reactants and products, as well as coefficients to balance the equation.
Whats a metaloid?
A metalloid is a chemical element that exhibits the properties of both metals and nonmetals. Since they are specific enough to be either of these classifications, they are called metalloids. Some examples include boron, silicon, and germanium.
Some elements are highly what because their outermost energy levels are only partially filled?
Some elements are highly reactive because their outermost energy levels are only partially filled, and they seek to gain or lose electrons to achieve a stable electron configuration. This can lead to the formation of chemical bonds with other elements in order to reach a more stable state.
How does changing the amounts of reactants in a chemical reaction change the chemical compositions of the products?
Yes, it is possible; for example complete or not complete burning.
What is atom molecule?
An atom is the smallest unit of an element that retains its chemical properties. A molecule is a group of atoms bonded together. Molecules can be made up of atoms of the same element (like O2) or different elements (like H2O).
When a chemical reaction is complete the substances are called?
Products.
What must employers need to include information in a written and complete hazard communication program?
Employers must include information on chemical hazards in the workplace, details on how hazardous chemicals are labeled and identified, safety data sheets for each hazardous chemical, and training programs for employees on how to safely handle chemicals in their hazard communication program.
Where is Chattanooga Real Estate located?
Chattanooga real estate properties may be located through sources such as Trulia, Zillow, and Realtor. Complete property listing are available with pricing and agent contact information.
