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 11 minutes ago
Gimmethatcat1234 [0]
wrote the first comment on Discussion: What is the chemical messenger of the nervous system 11 minutes ago
The Cathode Ray
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Dude it explodes! like a say a rocket
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As it rehydrates and refreshes the item.
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make sure that the liquid in which you dip does not spill on your hand make sure your litmus paper is new and not wet that's it
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The intermolecular forces holding F2 molecules together are relatively weak in comparison to the forces binding NaF molecules....
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A liquid containing chemicals that sanitizes (cleans) whatever it's applied to. e.g: liquid soap dispenser
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19
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Vegetable oil is made of nonpolar molecules and vinegar (which is a solution of approximately 5% acetic acid and water) is made...
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CO2 Is the chemical formula of carbon dioxide
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The proton number corresponds to the element bromine. The mass number is not one for an element but rather for the isotope...
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Group 5B and 5 are same group, they have following elements:- Vanadium(V) Niobium(Nb) Tantalum(Ta) etc.
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It s an alloy that is produced from the liquid form above ambient temp. When the solution cools it becomes solid therefore it is...
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The Chemical Formula for Potassium Acetate is CH3CO2K which shows that it has 4 types of atoms in it: 2 Carbon, 3 Hydrogen, 2...
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this is all false there are no real variables that influence enzyme rate
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Add water and stirr: salt is soluble, sand not. Filter the solution. On the filter re- main sand, in the solution salt. After...
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If I remember correctly i-butane is slightly higher pressure at room temperature than n -butane 45 psi vs 30 psi at room...
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a very good example of a slow chemical reaction is oxidisation, better known as the process of rusting.
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yes because Cesium is except for Francium, the most reactive element of the alkaline metals. It explodes in water because it...
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Formula: FeN
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compare and contrast hetergeneous,homogeneous,suspensions,solutions,and colloids
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The calcium and magnesium salts in the hard water form salts with the soap preventing / reducing lather formation.
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The half-life of any particular radioactive substance (isotope) is constant. It does not change as it decays. However, when decay...
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They would rust. Iron reacts with the air or water to create iron oxide which is the scientific name for rust. The paint acts as...
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Yes. Hydrogen bromide shows dipole-dipole interactions.
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It is used as indicator for the endpoint of a Iodometric (redox) titration: it gives a bluish grey to black color with very...
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The chemical formula of calcium perchlorate is Ca(ClO4)2.
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Helium has more mass than hydrogen.
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i dont know sorry if i got your hopes up
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It is used to disinfect drinking water in municipal water systems.
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1 mole N2O3 = 76.0116g N2O3 (atomic weights x subscripts) 1 mole N2O3 = 6.022 x 1023 molecules N2O3 75g N2O3 x (1mol...
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the size of atomic radius decrease
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Actually they do. But there is a stronger attractive force - the strong force.
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That is exactly what a definition of an ion is. Ion's have charges. That's... what they do. WHY? They lose or gain electrons. ...
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For a comparison with methane see the link below. LPG is not considered as an ideal fuel, the ideal don't exist.
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Sodium Chloride does not have free electrons normally, Sodium with electron arrangement: 2,8,1 and Chlorine with electron...
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C3h6o + 4 o2 -> 3 co2 + 3 h2o
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The fact that they are joined by polar covalent bonds is irrelevant as intermolecular bonds do not usually determine the polarity...
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Intermolecular forces are the forces of attraction that exist between molecules in a compound. The stronger the attractions...
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If a proton were added to an atom of aluminum, the atom would become a silicon ion with a single positive charge.
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There are at least a couple of ways. Each may not be appropriate in all circumstances. Read the measurement from markings...
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a different number of neutrons
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electrostatic forces
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Heat moves from the water that has higher temperature towards the ice cubes. This transfer of heat melts the ice cubes. Remember...
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yes it is soluble in water for certain limit..!! when the soluble capacity of the water exceeds beyond the standard value.....
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Solute- whatever chemicals are in the air freshener Solvent- the air
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Answeran ion is basically a charged atom or group of atomsAn ion is any atom that has a positive or a negative charge. A...
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The equilibrium position is determined mostly by the concentration of products and the concentration of reactants. If the...
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A resonance structure is an alternate way of drawing a Lewis dot structure for a compound. For some molecules, there are multiple...
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There are many kinds of hydrogen peroxide of different concentrations. Often 35% (high concentration) hydrogen peroxide is...
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Before reading this answer, I recommend that you look at the question under the Related Questions links to the left of this...
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ROUND BOTTOM FLASKS are mostly used for chemical or biochemicalwork.Hope this helped!
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Soluble means able to be dissolved or able to be solved.For example, the soluble mystery questioned whether salt was soluble in...
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A florence flask (also known as a boiling flask) is a type of flask. It is a piece of laboratory glassware. It can hold chemical...
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A spatula is used to take and handle small quantities of solid chemicals. It serves as a spoon.Laboratory spatulas are ideal for...
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No, not to my knowledge. Try Varn Super Rubber Rejuvenator...any print shop has this, and you can buy a little bit of it...
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formation of low melting point solutionsAll metal melting point in alloy form with other metal is vary according to its portion...
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EDTA is ethylenediamine tetraacetic acid. It's a strong chelating agent. It has many uses including: Industrial cleaning:...
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http://www.tomsofmaine.com/toms/ifs/propylene_glycol.asp Umm. That answer, while it does provide a link that through a bit of...
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100 grams pure water can hold about 38 grams of sodium chloride.(WikiAnswers)
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A hypothesis is the first postulation of an idea, usually based on an observation and the indication of a relationship. It...
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Mix the solution with water to dissolve the salt. Then filter the sand from the saltwater, evaporate the water from the saltwater...
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Highest affinity for electrondensity of all the elements... that means in a molecule fluorine will always have a negative (-1)...
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The objects being added.
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Vital Force Theory is a theory made by the Scientist Berzelius in 1809 which assumed that organic compounds are only formed in...
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AnswerThe atom was not found or discovered. The atom was conceptualized by thinking people who reasoned that if a given thing,...
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No. If it did, Starbucks wouldn't be quite as successful as they are. The first vente double-shot mocha latte with lowfat soy...
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Definitions of lattice energy: The energy released when one mole of a crystal is formed from gaseous ions....
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A positive ion is called a cation.
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HF is the hydrid of fluorine, or fluoride of the hydrogen. the acid which can't be stored in the glass tares, because this...
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it blows up lol :-)
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Ethyle alcohol From http://trainyourmind.blogspot.com
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I'm assuming you're using water as a solvent. Ionic bonds are not like covalent bonds in that two ions in an ionic compound are...
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Hydrolyzed Polymaleic Anhydride (HPMA) 【CAS】 26099-09-2 See PDS of HPMA,visit :...
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Sort of; it's true as stated, but remember that any measured force may be the resultant of two or more initial forces. But the...
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Yes there is. The product is a white precipitate
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Household ammonia has a pH of 11.5 to 12.5
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We usually think of chemical reactions as reactions becoming products. Reality is that products can also become reactants by a...
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Acrylic liquid is something that you dip your brush into before you dip it into the acrylic powder, you need to do this so then...
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Noble gases do not like giving up electrons. There are 2 electrons in the outer shell of helium and 8 electrons in the outer...
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pure substance
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Uranium is most commonly used as a source of fuel for nuclear power plants. The products of nuclear fission reactions are used to...
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Take on old container that you want to throw away. Fill it half way with sand. Create a small hole and pour. Let the drano soak...
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ln k2/ln k1 = Ea/R * ((1/T1) - (1/T2)) where R = 8.314 and Temperatures are in Kelvin
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The NH group because N is more nucleophilic than O
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The number of electrons. The valence (outer) shell is particularly important.
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Sucrose is soluble in water, because it is polar it is not soluble in cyclohexane.
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Yes, it does matter. The thicker the paper towel the more it can absorb. It's kind of common sence.Hope it answers your...
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