Chemistry
This category encompasses all questions about the composition, structure, properties, and reactions of matter.
Total questions 1014200
Falkirkdouglas [5]
wrote the first answer to Ethanol chemical structure 4 minutes ago
ID3173019859
asked Ethanol chemical structure and said it was different from What is the Lewis structure of ethanol 9 minutes ago
ID3265945554
wrote the first answer to Is SCl a polar molecule 10 minutes ago
Gimmethatcat1234 [0]
wrote the first comment on Discussion: What is the chemical messenger of the nervous system 10 minutes ago
(8.88 x 1023 molecules) X (1 mol / 6.022 x 1023 molecules) = 1.47mol
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heat. adding or subtracting
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It gets wet. On the lighter side...You liquidize your assets. But be careful not to add soap. You could be convicted of money...
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Yes, it's man-made from a petroleum product.
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This means that the solution is neither acidic nor basic
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72.6 grams of sodium (1 mole Na/22.99 grams)(6.022 X 10^23/1 mole Na) = 1.90 X 10^24 atoms of sodium
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The density of titanium is 4.507 g/cc [cubic centimeter]. Divide the mass by the density to find the volume. (38.4 g)/(4.507...
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Many. All the alkali metals will react explosively with it. All the alkaline earths will also react extremely vigorously. Group 3...
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Dry ice is made when carbon dioxide (CO2) gas is compressed in a high-pressure container until it liquefies. Upon the release of...
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The amount of grams in two moles depends on the element or compound that you have two moles of. For example, the molar mass of...
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4 liters of retail milk (2% or 3% fat) weighs about 4.14 kilograms.
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Dial remove permanent marker because it could remove things that would come off a little bit
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Same "Potassium nitride"
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A turd is a mixture of things. Majority is dead bacteria that lived in you large intestine and the rest is undigested food. So...
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Yes, dissolution is an endothermic process. Particles of solid take up thermal energy from the water in order to enter solution.
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While a chemical change in an object can lead to its expansion, Take a piece of iron rusting for example, the same piece of iron...
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depends. if you have more protons yes if you have more electrons than protons no, getrid of the neutrons then find out the...
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It depends on its application. Ingestion of iodine is necessary to maintain normal thyroid function.
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This completely depends on the matter you are referring to. If you are talking about sub atomic particles that no, they are...
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although the shape of material decides whether it sink or float, it also depends on the material. for eg. an iron plate with hole...
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This would be an ionic bond.
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Crystalline quartz is has a glassy luster. Other forms of quartz can have a dull luster.
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If you put a ice at a sunny side not moving it, it will naturally melt into water not moving it's place just a puddle of water.
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Gases, Solids, and Liquids.There is also the addition of Plasma, but that is in some slightly more complex chemistry.
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H2NaO4P is the chemical fomula
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There are various types of solvents to dry clean clothes: perchlorethylene (perc) is a high percentage use in dry cleaning, and...
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jelly crystals make jelly!! you buy a box at the supermarket mix with boiling water refrigerate and bam jelly
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That it's a metal.
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Chemical bond
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im not sure you can eat any on its own... no harm in trying though... or is there?
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Margarine has trans fatty acids in it
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Lauric acid is used to make detergents
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A mole of sodium phosphate, Na3PO4, weighs about 163.94 grams. This contains about 68.97 grams of Na. This shows sodium phosphate...
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Energy is absorbed by the chemicals because the bonds are being broken
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Zinc Carbonate is ZnCO3 is a compound and not on the periodic table. Its individual elements are though. Zn is element number 30....
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A grade pipettes are more accurate than B grade pipettes and Volumetric pipettes are the most accurate of all.
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Someone was on here before me and said "No, it isn't a weak bond"... That is incorrect. THE HYDROGEN BOND IS THE WEAKEST BOND!...
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No. Carbon dioxide when in water makes carbonic acid. Sulfur oxides, there are several, can form sulfuric acid, sulfurous acid,...
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Yes. Oxygen usually forms the O2- ion.
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a covalent bond is a bond between two nonmetals. the electrons are "shared" between the two atoms. example: H2O. an ionic bond...
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Related link may help. Also, I think it's a sum of ionic contribution.
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The electronic configuration of of Pr (praseodymium) is : 1s22s22p63s23p64s23d104p65s24d105p66s24f3
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Gery the snail is what it means (: haha lol
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Energy of Photon = Planck's constant x speed of light / wavelength = 6.63 x 10-34 x 3 x 108 / 1050 x 10-9 = 1.89 x 10-19 Joules...
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cesium-137 was broken free from it's cylindrical container that was part of a teletherapy machine left behind by a nuclear...
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gourmet ice is harvested from glaciers, springs, and other sources pre-dating or little affected by human pollution.
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-They have very high melting and boiling points, thanks to the strong ionic bonds. -Most of them dissolve readily in water. ...
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When hydrocarbons burn, they release a great amount of energy.
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oxydation reactions, redox reactions, decomposition reactions, addition reactions, synthesis reactions, transposition reactions,...
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Only the sulphur dioxide is largely used (code E220 in EU).
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flour is a mix of liquid, and solids. but it is not a gas at all.
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Black foil would attract heat and burn the potato if you put it in on a too high heat, or left it in too long, it would be very...
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It sounds like you're listing noble gases, the members of group 18. In addition, helium and radon are members. The properties of...
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If you are mentioning about sticking two hydrogen atoms with one oxygen atom, then it's water. Other than that, oxygen and...
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The most common mineral of calcium is calcium carbonate; also calcium sulfate, calcium magnesium carbonate, calcium silicates,...
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chuck Norris
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there are more than one but the only one i know is strontium nitrate. 99% that it will work and 1% that it wont.
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There is no such thing as KC1 in chemistry. There is a such thing as KCl (with a lowercase L), but it is a compound, not an...
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Because lemon juice contains acid (mainly citric) it will turn blue litmus into red colored paper (like all acids).
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There is no way to recover salt crystals. I don't think there is a way, unless I am mistaken and there actually is a way.
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Altitude can. Water takes a higher temperature to boil at 10,000 feet than it does at sea level. Other things can sometimes...
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"Bar" is approximately the pressure of earth's atmosphere at sea level. Multiple bars are multiple normal air pressures. Three...
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in my opinion flourine is very electronegative and it cannot exist in positive oxidation states in its compounds .in oxyacids of...
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Rock salt. It is the same as table salt, or NaCl.
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It is not a suspension, it is a solution.
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No. A solid-solid solution is called an alloy.
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4.7 mole Li (6.022 X 10^23/1 mole Li) = 2.8 X 10^24 atoms Li
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No because the electronegativity difference between them is 1.4. In order for an ionic bond to occur, the electronegativity...
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Activated charcoal is available without prescription
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Yes. Without out, comedians (and comediennes) would not be able to tell their jokes. However, unlike helium, it won't make your...
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Mg + 2HCl = MgCl2 + H2
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to connect to energy
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1. Because precious metals are beautiful, expensive, chemical resistant, etc. 2. Not only the metals are used for jewelry; also...
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Rice Bubbles arent a liquid and they arent a gas so they have to be a solid. They may not appear to be solid but they definitely...
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Cl- + H2SO4 = (HSO4)- + HCl
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as a weighing agent in oil-and gas-well-drilling fluids to maintain pressure and prevent blowouts. It was also used as a weighing...
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Example: the atomic mass number of uranium is 238,02891 - exprimed in atomic mass units.
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ch4 is organic or inorganic compound?
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through their gills they respirates.
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Epsom salts are magnesium sulfate crystals.
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