Chemistry

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Chemistry Review of the Classification of Matter
Chemistry Review of the Classification of Matter 150 150 Deborah

Overview The part of chemistry that deals with matter is concerned with the world of objects that have mass and take up space. A material object may be in solid,…

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What Information Does a Chemical Equation Tell Us?
What Information Does a Chemical Equation Tell Us? 150 150 Deborah

Overview A chemical reaction can be described by discussing the chemical substances at all steps. It is more efficient to use a chemical equation than words, and there are agreed-upon…

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Review of How to Study Chemistry
Review of How to Study Chemistry 150 150 Deborah

Overview Many students in high school decide to take a chemistry class to fulfil a science requirement for graduation, in order to attend college, or as a basis for a…

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Scientific Measurement of Length, Mass, Volume, and Temperature
Scientific Measurement of Length, Mass, Volume, and Temperature 150 150 Deborah

Overview Accurate observations of phenomena are one of the keys to success in lab sciences such as chemistry, physics, and biology. The metric system, or international system (SI), is used…

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Biology and Chemistry Review of Carbon Compounds
Biology and Chemistry Review of Carbon Compounds 150 150 Deborah

Overview Carbon compounds are essential to life, and are the basis of organic chemistry. Carbon is a versatile element that can form bonds with other elements that are necessary to…

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Chemistry and Physics Review of Energy
Chemistry and Physics Review of Energy 150 150 Deborah

Overview Energy provides the capacity of matter to do work.  Without it, there would be no chemical reactions or physical reactions and matter would be inert.  It exists in forms…

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Chemistry Review of Isotopes and Radioactivity
Chemistry Review of Isotopes and Radioactivity 150 150 Deborah

Overview Most elements have isotopes, but not all isotopes are radioactive. Many isotopes are stable variations in mass, occurring naturally.  Unstable isotopes decay into other isotopes and elements, and emit…

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Chemistry Review of Equilibrium
Chemistry Review of Equilibrium 150 150 Deborah

Overview: Chemical equilibrium refers to the state in which opposite processes balance each other so that one does not occur more than the other.  Many chemical processes exist which are…

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Chemistry Review of Types of Physical and Chemical Changes
Chemistry Review of Types of Physical and Chemical Changes 150 150 Deborah

Overview: Matter can undergo many types of changes.  Physical changes to a substance do not change its chemical composition, while chemical changes to a substance change its chemical composition.  Compare…

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Chemistry Review of Triboluminescence
Chemistry Review of Triboluminescence 150 150 Deborah

Overview Some materials give off sparks of light when they are rubbed, crushed, or broken.  This phenomenon is known as triboluminescence or fractoluminescence.  It may hold clues to how changes…

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