Chemistry
This category encompasses all questions about the composition, structure, properties, and reactions of matter.
At a temperature of 20 degrees C or 68 degrees Fahrenheit, a (U.S.) gallon of pure water weighs about 8.34 pounds, whereas a...
1. Soap is a surfactant: so are the sulfonates listed in the ingredients for many spot removers and carpet cleaners. 2. Soap...
Uses for Rubbing Alcohol In the definition of Rubbing Alcohol in The American Heritage(TM) Dictionary of the English...
I try to steer my customers away from algecides that use copper, since copper tends to have wrong effects in pool water, i.e....
Short answer: Protons+ minus electrons- The atom is the fundamental building block of all stuff, or what scientists like to call...
CARBON CYCLE:- Carbon is found in various form on the earth. It occurs in the elemental form as diamond and graphite. In the...
Nails are made of steel, and contain iron. Rust is the oxidation, or corrosion, which forms on iron when in contact with the...
Quite a lot: differentiation, integration, eigenfunctions and eigenvalues, error analysis, use of simple mathematical equations,...
See the Web Links and Related Questions for some useful information about the field of chemistry and its impact on modern daily...
Non-Carbon Based Life Life is only believed to be sustainable under a certain and complex set of conditions - basically the...
PV equals nRT The Ideal Gas Law is used to relate the pressure, volume, temperature and amount of an "ideal" gas. Although many...
To draw a Lewis dot structure for a molecule or ion, follow these steps: Step 1: Count up the number of valence electrons for...
There is a near-infinite list of what might effect reaction rates. Major, usual factors are Temperature, Pressure, Solvent...
The number of protons in an atom is the atomic number The number of protons is equal to the atomic number of an atom. It is...
The number of protons in an element is always the same as the atomic number, which is just 1 in this case. In a neutral atom (no...
There are over 20 million known compounds. yeah, thats cause enough. There are over 100 billion possible compounds containing...
Non-American Chemists The most infamous of all foreign chemists is Bruno Tesch, sole owner of the firm of Tesch und Stabenow....
Chemical Application Ether is an organic functional group consisting of a disubstituted oxygen, or an oxygen atom bonded to 2...
To solve boiling point elevation problems, you need to understand the next things: -- the identity of the solute (the thing you...
Percent Error Formula Percent Error is the difference between the true value and the estimate divided by the true value and the...
Before writing a chemical reaction, you must understand some things. You must understand what the reactants are, and what the molecular...
The best way to figure out how to solve chemistry problems is to practice problems that you have the answer to (usually the...
AnswerIt would be very simple to get a job but it probably won't be doing anything with chemistry. Most chemistry jobs require at...
They are called groups or families. Often the elements that are found in the same group as each other have similar chemistry and...
Check the link in the related links section. To solve stoichiometry problems, you must first do two very important things. 1)...
The answer under works instantly if you are wanting to get rid of the black background for file name. Im not sure what other...
The answer varies depending on if or not you are dealing with an ionic compound or a pure substance. Other substances will...
Table sugar or sucrose melts at about 186°C (367°F).
Water is a member of a very exclusive group of substances that are less dense as a solid than as a liquid. It is very important...
NONE any commercially used optical brightener needs to be added to raw untreated material. I'm not sure the first answer...
Yes, it is possible. To identify an object using its density you need only some things: an accurate scale to find the mass of...
Generally speaking, there are two main chemicals, and a couple of auxiallry chemicals. The primary chemicals are developer,...
Tide doesn't have any true difference from the others other than fragrance. All laundry detergents are mostly water, with...
Physical Changes Change of state (such as from solid to liquid or from gas to liquid) Specific examples of state change...
Fresh water boils faster than salt water. Salt water will cook food a small quicker as it has a slightly higher boiling point...
Grams ↔ Moles You must first find the molar mass of the element or compound. Use the periodic table (see the Related Link). If...
Mineral water will be more dense than distilled water. The disolved material adds mass, but does not increase the volume.
Limestone Uses: Used as aggregate or base for roads and foundations. Used in the purification of molten glass. Used to remove...
Extruded aluminum (or aluminium as they say in england) is just aluminum squeezed through an oriface. Just like that play-dough...
From Wikipedia (see Link to the left): A Bunsen burner is a device used in scientific laboratories for heating, sterilization,...
There are 5 structural isomers of C6H14. The structural names are: hexane, 2-methylpentane, 3-methylpentane, 2-ethylbutane,...
Chemistry is everywhere, and we use all the time in our daily lives, probably without knowing it. Here are some things that...
Ashta Chemical's Ashtabula, Ohio facility has an estimated ECU capacity of 44,000 annually. The breakdowns are as...
Most types of soda (irrespective of brand name) contain some usual elements: carbonated water, flavouring, colouring and sugar....
It always depends on the size and shape of the candle. The rate at which a candle burns is dependent on the size and composition...
By substances, I assume you mean chemical reactions. Chemical reactions occur because the products of the reaction have less...
This is the maximum distance the atoms can be placed away from each other. If you change any of the angles, some of the atoms...
Iron will rust easily when reacted with oxygen (especially in contact with moisture and/or salt), making it weaker. Stainless...
The Dark Totie of FU have surfaced to help face Kenneth. They are bred leaders as they used to command great armies and creatures...
Chocolate milk, Kool ade
Fermentation is the process by which cells release energy under anaerobic conditions (generally). Several major products of...
Maybe you don't die or get seriously injured See the Related Questions links to the left for WHAT safety rules should be...
Your ph can be lowered by using PH minus or you may too use Muratic acid. add an acid
The proton was discovered in 1918 by Ernest Rutherford. He noticed that when alpha particles were shot into nitrogen gas, his...
232 grams = 8.18 oz or just over a cup since there is 8 oz in cup. 20 grams =1 tablespoon
It's less expensive to perform, and you can do "two way" chromatography by running a chromatograph in one solvent, letting the...
In addition to water, for which the solid form (ice) is less dense than the liquid form, the element Gallium is too less dense...
Volume is the cube of the length, just as area is the square of the length. For the same reasons (avoiding multiplicity of units...
See the two Related Questions under for long lists of both inorganic and organic compounds.
Thermoplastic is a polymer that can remelted and remolded many times.
There are some different types of colloids based on the state of matter. Aerosol (liquid dissolved in a gas - fog, mist,...
It is a process for separation of components from a mixture (usually liquid) based on their densities. The substance is heated in...
Crucibles are porcelain-like containers used in chemistry to heat substances to very tall temperatures. Crucible tongs are large...
These are some scientific theories - most of which differ from modern theories in that they were philosophy- or religion-based...
it is the molar mass of one (86g/mol) multiplied by 1517 which is 130462 g/mol
Sulfuric acid, or H2SO4The concentration is about 30%, and so it has a pH of approximately 0. Zinc-carbon battery - Also known as...
The pH is a measure of how acidic or basic (or alkaline) a liquid or solution is. Pure water is neutral, with a pH = 7. ...
To solve freezing point depression problems, you need to understand the next things: -- the identity of the solute (the thing...
Nitrogen (N2): 78.09% Oxygen (O2): 20.95% Argon (Ar): 0.93% Carbon dioxide (CO2): 0.038% Others (less than 0.002% each): Neon...
Robert Millikan measured the charge on an electron. To do this, he built a spray to spray oil droplets. As the droplets came out...
Single Displacement (or single replacement) reactions involve a compound and an element in both the products and the reactants. ...
The next two data sets, A and B, have the same mean (average): A: 48, 49, 50, 51, 52 B: 30, 40, 50, 60, 70 The...
A homogenous mixture (or substance or solution) is one where in each part of the mixture (or etc.), the proportion of each...
the base of an evaporating dish is rounded and will not be stable when placed on a gauze, hence a triangle (tripod) to hold its...
Of course they do. A pediatrician is a medical doctor who specializes in the diagnosis and treatment of illness in children. And...
An atom is the smallest amount of a substance that we can have that will still retain all the features of that substance. Should...
There are currently 5 known states of matter: solid, liquid, gas, plasma and Bose-Einstein condensates.Solids have a definite...
Use the Molar Mass To find the mass of one mole of any substance, you need the molar mass, which is found by using the periodic...
AnswerThe STRONG ACIDS (all dissociate completely in water) are: Hydrochloric acid: HCl Hydrobromic acid: HBr Hydroiodic acdi:...
There are many types of pipettes (or pipet), but most are essentially a fancier version of a medicine dropper or eye dropper....
It really depends what the mixture consists of. You would not use the same method to separate sand from gravel as you would to...
Urine is a liquid waste product of the body secreted by the kidneys by a process of filtration from blood called urination and...
Alloys Steel contains iron , carbon and others Brass is an alloy of copper and zinc Bronze is combination of copper and tin...
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How did Lavoisier formulate the law of conservation
It dependsWritten Nov, 1998 by Monwhea Jeng (Momo)Department of Physics, University of California Can hot water freeze...
Hard to be sure without more context, but "D" generally refers to deuterium, which is an isotope of hydrogen. Deuterium is...
Boric acid is a mono-protic weak acid and exists in the form of soluble colorless crystals or a white powder. Its chemical...
The spontaneity of a redox reaction is a function of the reduction potentials of the two species involved in the reaction: the...
The short answer is that they are not always weaker in fact. Some ionic compounds have very strong bonds, while some covalent...
A chemical change cannot be changed back to its original form e.g. wood burning in a fire place. where as a physical change can...
Just about each single piece of metal that you come into contact with on a daily basis is an alloy of some kind. There are very...
A triple beam balance is a type of balance commonly used in the laboratory to determine the mass (only the mass) of items or...
much higher resolution than a light microscope, greater magnification
Yes. The boiling point of the water goes down. Because there is less pressure up that high, you don't have to get to 100 degrees...
Isotopes Isotope is the word we use to tell about two different forms of the same element that have different numbers of neutrons...
Distillation is the method of separating a mixture into its component parts by use of the difference in their boiling points. It...
The materials or metals which have property of conductivity. for ex Iron, Carbon, Copper, Aluminum, Silver, Gold etc. The best...
tetrafluoroethylene or tetrafluoroethene: C2F4 or F2CCF2
The name "Omega-3" indicates that the first double bond occurs on the third carbon atom from the end of the molecule or last...