Published: Tue, 24 Jan 2017 11:15:38 +0000
2017-01-24T11:15:38ZHere are 10 facts about acids and bases to help you learn about acids, bases, and pH and complete your homework.
2017-01-24T11:15:38ZBaking powder and baking soda make baked goods rise. Learn the difference between them and how to make ingredient substitutions.
2017-01-24T11:15:38ZChemical changes occur when chemical reactions between substances form new products. Get examples of 10 chemical changes in everyday life.
2017-01-24T11:15:38ZSee how to calculate the concentration of a chemical solution in percent composition by mass, volume percent, molarity, molality, and normality.
2017-01-24T11:15:38ZBaking powder and baking soda are leavening agents that help baked goods to rise. Here is exactly how to substitute baking powder and baking soda.
2017-01-24T11:15:38ZThe atomic mass or atomic weight of an element is a weighted average of the isotopes. Here are 3 simple ways to calculate atomic mass of an element.
2017-01-24T11:15:38ZChemistry happens in the real world, not just a lab. Here are 10 examples of chemical reactions in everyday life.
2017-01-24T11:15:38ZThis is a collection of printable worksheets to practice balancing equations. The printable worksheets are provided in pdf format with separate answer keys.
2017-01-24T11:15:38ZWhen you mix chemicals, you may get a chemical reaction. Learn about the different types of chemical reactions and get examples of the reaction types.
2017-01-24T11:15:38ZThis is a list of 10 examples of mixtures and an explanation of whether the mixture is heterogeneous or homogeneous.
2017-01-24T11:15:38ZPhysical changes involve a new form or shape of matter, but no chemical reaction. This is a list of 10 examples of physical changes.
2017-01-24T11:15:38ZThese are properties of covalent compounds, also known as molecular compounds.
2017-01-24T11:15:38ZHeterogeneous and homogeneous are types of mixtures in chemistry. Learn about the difference between these mixtures and get examples of each type.
2017-01-24T11:15:38ZDNA and RNA both carry genetic information, but there are differences between them. This is a comparison of the differences between DNA versus RNA.
2017-01-24T11:15:38ZThe difference between independent and dependent variables in an experiment is which variable is being measured. Here's how to tell them apart.
2017-01-24T11:15:38ZIt's easy to grow your own sparkling clear or colored borax crystal snowflakes. Here's what you do.
2017-01-24T11:15:38ZDoes adding salt to coffee reduce its bitterness? Here's an answer to this cooking chemistry question.
2017-01-24T11:15:38ZpH and pKa are ways to express strength of acids. Here's the relationship between the two values and how to use the Henderson-Hasselbalch equation.
2017-01-24T11:15:38ZYou can teach yourself general chemistry with this step-by-step introduction to the basic concepts.
2017-01-24T11:15:38ZLearn about Lewis structures, also called electron dot structures and get step-by-step help drawing them.
2017-01-24T11:15:38ZHere is an explanation of what chemical properties are, plus several examples of chemical properties of matter.
2017-01-24T11:15:38ZLearn how formulas of ionic compounds work and see examples of compounds, their cations, and their anions.
2017-01-24T11:15:38ZBorax is a common household and commercial chemical. Here's a look at what borax is, some facts about borax and how you can get borax.
2017-01-24T11:15:38ZIsotopes are one form an element can take. This is the definition of an isotope, with examples.
2017-01-24T11:15:38ZKeep your living Christmas tree alive. Here's how to make homemade Christmas tree food or cut flower preservative.
2017-01-24T11:15:38ZHere are some examples of physical changes and chemical changes, along with an explanation of how you can tell physical and chemical changes apart.
2017-01-24T11:15:38ZCations and anions are both ions, differing in the net electrical charge of the ion. Here is how to tell them apart.
2017-01-24T11:15:38ZLearn how to classify inorganic chemical reactions into one of these four general categories.
2017-01-24T11:15:38ZHere's a reference pages that describes the major laws of chemistry.
2017-01-24T11:15:38ZDrawing Lewis structures can be a straightforward process if the proper steps are followed. These instructions will show how to draw Lewis structures for molecules.
2017-01-24T11:15:38ZThese are step by step instructions for growing your own sugar crystals or rock candy, which you can eat!
2017-01-24T11:15:38ZHere is the nomenclature or naming rules for molecular compounds, plus examples of how to name the compounds.
2017-01-24T11:15:38ZThis is a list of the 6 steps of the scientific method, with explanations of each step of the process.
2017-01-24T11:15:38ZThe ideal gas law is an important concept in chemistry. This is a collection of ten chemistry test questions and answers relating to ideal gas laws.
2017-01-24T11:15:38ZWhat is the freezing point of water or the melting point of water? Are the freezing and melting point the same? Here's the answer to these common questions.
2017-01-24T11:15:38ZDistillation is one method of water purification. Is distilled water safe to drink or as good for you as other types of water? The answer depends on a few different factors.
2017-01-24T11:15:38ZGet the definitions for independent and dependent variables, examples of each variable, and the explanation for how to graph them.
2017-01-24T11:15:38ZHave you ever wondered how much of your body is water? The percentage of water depends on age and gender. Here's how much water is inside you.
2017-01-24T11:15:38ZHere's an explanation of what STP is in chemistry and why it is useful, particularly when dealing with gases.
2017-01-24T11:15:38ZThe octet rule is used to predict compound molecular structures . Here are the exceptions to the octet rule and how it applies to Lewis structures..
2017-01-24T11:15:38ZHere are 5 common examples of chemical weathering, a collection of processes that change rocks via chemical reactions.
2017-01-24T11:15:38ZLooking for free PDF chemistry worksheets that you can print? The answers to the questions are available on separate pages so you can fill them out and then check your work.
2017-01-24T11:15:38ZThere are seven elements that form homonuclear diatomic molecules or simple molecules with their own atoms. This is a list of the 7 diatomic elements.
2017-01-24T11:15:38ZThis is the definition of an independent variable, with examples. An independent variable is one of the key factors in a scientific experiment.
2017-01-24T11:15:38ZThis is a list of 10 examples of materials that are electrical conductors and insulators and an explanation of why some materials conduct better than others.
2017-01-24T11:15:38ZThis is the definition of polar bond as the term is used in chemistry, with examples of molecules that have polar bonds.
2017-01-24T11:15:38ZThese are the element groups found in the periodic table of the elements. There are links to lists of elements within each group.
2017-01-24T11:15:38ZHave you ever wondered why atoms form chemical bonds with other atoms? Here's the scientific reason and an explanation of stability.
2017-01-24T11:15:38ZGet examples of types of solids, liquids, and gases and learn about the transitions or phase changes between them.
2017-01-24T11:15:38ZAtoms are the smallest units of each element and the building blocks of matter. Here's how to make an atom model using common materials.
2017-01-24T11:15:38ZMixing bleach and ammonia is extremely dangerous, since toxic vapors will be produced. Here are the chemical reactions involved and first aid advice.
2017-01-24T11:15:38ZA calorimeter is a device used to measure heat flow in a chemical reaction. Learn about the coffee cup calorimeter and the bomb calorimeter.
2017-01-24T11:15:38ZThe reaction between baking soda and vinegar is used in chemical volcanoes. Here is the equation for the reaction between baking soda and vinegar.
2017-01-24T11:15:38ZHave you ever wondered why the ocean is salty and why most lakes are not? Here's a look at what makes the sea salty and its chemical composition.
2017-01-24T11:15:38ZHere is the definition, explanation, and examples of a synthesis reaction or direct combination reaction.
2017-01-24T11:15:38ZHere are ten multiple choice questions covering chemical formulas. Topics include simplest and molecular formulas, mass percent and naming compounds.
2017-01-24T11:15:38ZHere are the properties shared by the ionic compounds.
2017-01-24T11:15:38ZHere's a list of all of the chemical elements of the periodic table ordered by increasing atomic number. The names and element symbols are provided.
2017-01-24T11:15:38ZThere are 6 main types of solids, each characterized by specific properties and structures. Here is a look at how to categorize solids.
2017-01-24T11:15:38ZOrganic and inorganic compounds are the basis of chemistry. Here is the difference between organic and inorganic, plus examples of each type.
2017-01-24T11:15:38ZAt what temperature does water boil? What determines the boiling point of water? Here's the answer to this common question.
2017-01-24T11:15:38ZLearn about the parts of the periodic table and how to use the table organization to predict element properties.
2017-01-24T11:15:38ZRNA or ribonucleic acid is used to translate instructions from DNA to make proteins in your body. Here are 10 interesting and fun facts about RNA.
2017-01-24T11:15:38ZClick on this handy interactive periodic table of the elements to learn about periodic table trends and look up element facts and figures.
2017-01-24T11:15:38ZThis is an alphabetical list of worked example chemistry problems. Printable worksheets with questions and answers are also provided.
2017-01-24T11:15:38ZYou can make fake snow using a common polymer. The fake snow is non-toxic, feels cool to the touch, and looks similar to the real thing.
2017-01-24T11:15:38ZLearn whether it's safe to drink bleach, what happens if you do, and if it can kill you. Learn whether drinking bleach can help you pass a drug test
2017-01-24T11:15:38ZMixing bleach and vinegar is a bad idea because it produces toxic chlorine gas. Here's what you should know about mixing these chemicals.
2017-01-24T11:15:38ZThis is a classic recipe for homemade slime. It's super-easy, plus I included tips for success.
2017-01-24T11:15:38ZThis is the definition of pure substance along with examples of things that are pure substances (and ones that aren't).
2017-01-24T11:15:38ZIonic and covalent bonds hold molecules together. Learn to distinguish between ionic and covalent bonds, and find whether a bond is polar or nonpolar.
2017-01-24T11:15:38ZLearn how to distinguish between a chemical property and a physical property of matter. Here's the explanation of the distinction, with examples.
2017-01-24T11:15:38ZSulfuric acid is a useful acid to have on hand for a variety of home chemistry projects. However, it is not easy to obtain. Fortunately, you can make it yourself.
2017-01-24T11:15:38ZIonic compounds form when elements share electrons. Here are examples of ionic bonds and ionic compounds.
2017-01-24T11:15:38ZThese are examples of covalent bonds and covalent compounds and an explanation of the type of atoms expected to form this type of chemical bond.
2017-01-24T11:15:38ZLab reports are an essential part of all laboratory courses and a significant part of your grade. Here's a format for a lab report to use.
2017-01-24T11:15:38ZThe chemical elements are the building blocks of all matter. Here are interesting and essential element facts you need to know.
2017-01-24T11:15:38ZIf you live someplace cold, you have experienced salt on sidewalks and roads. Have you ever wondered why? Here's how salt melts ice and snow.
2017-01-24T11:15:38ZBalancing chemical equations is a key chemistry skill. Use these step by step instructions to write and balance chemical equations.
2017-01-24T11:15:38ZThe periodic table organizes the elements according to their periodic properties. Find 10 periodic table facts that are interesting and informative.
2017-01-24T11:15:38ZThe gas constant or R is an important constant in the ideal gas law. This is the definition and value of the gas constant.
2017-01-24T11:15:38ZMolarity is a unit of concentration measuring the number of moles of a solute per liter of solution. Here is how to calculate molarity of a solution.
2017-01-24T11:15:38ZYou sprinkle salt on an icy road or sidewalk. Here's how salt melts ice and how it relates to freezing point depression.
2017-01-24T11:15:38ZMass percent composition of a molecule shows the amount each element in a molecule contributes to the total molecular mass. This step by step tutorial will show the method to determine the mass percent composition of a molecule.
2017-01-24T11:15:38ZThe chemical volcano is the classic science fair project. This step-by-step recipe will show you how to make your own baking soda volcano.
2017-01-24T11:15:38ZThe octet rule states that elements gain or lose electrons to attain an electron configuration of the nearest noble gas. Here is an explanation of how that works and why elements follow the octet rule.
2017-01-24T11:15:38ZThis is a list or table of elements that are radioactive. This list has the element name, most stable isotope and half-life of most stable isotope.
2017-01-24T11:15:38ZThese are the steps to write a balanced net ionic equation. You'll learn how to balance any equation for mass and charge, plus there are examples.
2017-01-24T11:15:38ZWriting balanced chemical equations is essential for chemistry class. Here are examples of 10 balanced equations you can review or use for homework.
2017-01-24T11:15:38ZOne common homework and test question asks you to name the three types of RNA and list their functions. Here's the answer.
2017-01-24T11:15:38ZThe laws of thermochemistry are used to describe the heat or energy flow of chemical reactions. Understanding the values of a reaction's enthalpy will help determine whether the reaction is endothermic or exothermic.
2017-01-24T11:15:38ZPercent error or percentage error is the difference between an approximate or measured value and an exact or known value. Here is how to calculate percent error.
2017-01-24T11:15:38ZLearn about the periodic properties or trends in the periodic table of the elements. This is an explanation of periodicity and quick summary of trends.
2017-01-24T11:15:38ZIn the melting ice experiment, make a colorful ice sculpture while learning about freezing point depression and erosion.
2017-01-24T11:15:38ZBorax is the common name of sodium borate decahydrate. Learn the chemistry of borax, how it cleans, and how to use it safely.
2017-01-24T11:15:38ZThe properties of an atom's electron configuration are described by four quantum numbers: n, l, m, and s. Here's what the quantum numbers mean.
2017-01-24T11:15:38ZElements may be categorized according to element families. This is an explanation of element families, with descriptions of each one.
2017-01-24T11:15:38ZSeveral factors affect the rate at which chemical reactions proceed. Understanding these factors will help you predict the direction and speed of a chemical reaction.
2017-01-24T11:15:38ZHave you ever wondered what pH stands for or where the term originated? Here is the answer to the question and a look at the history of the pH scale.
2017-01-24T11:15:38ZThis is an explanation of the difference between accuracy and precision. Examples of accuracy and precision are also provided.