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 3 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
Nitration: H2SO4 C6H6 + HONO2 ---------> C6H5NO2 + H2O Nitric Acid Nitrobenzene Nitration: ...
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fatty acid, glycerol?
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C12 H22 O11 Maltose of formed by the condensation of two alpha glucose molecules. C6H12O6 + C6H12O6 -> C12H22O11 + H2O
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This is what i think based on logic, but I'm not sure: Fossil Fuels used to be dead organic matter (plants/animals) The...
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17 electrons total - 7 of which are in the outer shell.
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Starch is used in only a few grade of paper and it is about 1 to 2% by weight
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Typicall water hardness is caused from calcium and magnesium compounds dissolved in the water. The term "hard water" is used to...
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neutrons = mass- number so without them or any other information im pretty sure its not possible.
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Nickel was discovered in Stockholm, Sweden by Baron Axel Fredrik Cronstedt in 1751.
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Platinum does not normally react with air or water. Very few chemicaly react with it.
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Surface tension is a property of the surface of a liquid that causes it to behave as an elastic sheet. It allows insects, such as...
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Gold is an element, so it is made only of gold.
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It just hangs around. You might want to be more specific.If you collect enough of it in one place, it starts to fuse into helium.
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Yes it freezes faster than apple juice.
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The earths atmosphere is approximately 78% nitrogen gas, so you can draw your own conclusions on that. Pure nitrogen can be...
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Yes, it does. And it freezes @ the freezing temp of water
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The three parts of an atom are protons, neutrons, and electrons.
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C3H5(NO3)3 Also known as nitroglycerin.
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Biphenyl has equal charges on both benzene rings, this material is non polar
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Under normal conditions of temperature and pressure, oxygen gains electrons. The outermost orbital in an oxygen atom has four...
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No. But it can kill you. Not because it is toxic, but by displacing oxygen. It is odorless and tasteless, and you wouldn't know...
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i can only answer the compounds and elements, because im not quite sure on the mixtures! Elements and compounds are alike because...
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Purity is measured by chemical analysis. The analysis should determine both what the substance is, and what impurities it...
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Zirconium costs $150 per kg when it is 99.6% pure
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Boric acid don't react with water but is soluble in water.
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Water can be separated into hydrogen and oxygen gas through a process called electrolysis. In electrolysis, an electric current...
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It was awesome! I strongly disagree! Trust me im a dinosaur.
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Zink comes from the German Zink, from Zinken ("'tines" or "teeth'")
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Chromium has four oxidation states: 2, 3, 4, and 6. Chlorine has one, and it's -1. There will be a chloride for each oxidation...
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Of course not! While your mass stays the same your weight depends on an attractive force. For example on the Moon you will weight...
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Matter is conserved in a chemical reaction, meaning nothing "disappears" when compounds react. Accordingly, the number of atoms...
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That indicates that the average density of an egg is greater than the density of pure water but less than that of salt...
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Yes. If you use a colored container what happens is the container absorbs all light (heat) except for the light of the color of...
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caesium
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Outer electrons, or Valence Electrons, for nitrogen is 5 electrons. The first electron level requires 2 electrons, an electron...
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Fluorine has 7 valence shell electrons. If it has a formal charge of (-1) that means that it has 8 non bonding electrons. Its...
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The boiling point of Potassium is 759 Celsius, 1032 Kelvin, 1398 Fahrenheit.
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Because carbon dioxide is thicker than air (I have no clue I am just guessing)!!
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What is the Difference between acid and alkali Acids are... less than 6.50 on the pH scale but if it over 7.50 it is an...
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what a shitty answer just say the answer not why
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8 protons, 8 neutrons, 8 electrons.
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Because that will mess with the temperature reading on the thermometer. And it would be dangerous if the thermometer is broken as...
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yes it does melt faster with salt on it, try it its much fun but abig mess
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Powder is a separate state of matter. It does have properties of solid liquid and gas. If you put in iron balls in a jar of...
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Barium nitrate + Water + Carbon dioxide
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OSHA.
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2 :) Europium and Americum
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It's true, take it from me If you want iron then pay the FeCan You Please Explane It !!
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The compound as a whole is ionic because is consists of a cation (potassium ion) and an anion (nitrate). The compound as a whole...
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yes, now if you were talking about extensive it would be about weight,however intensivehas nothing to do with weight.
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platinum belongs to the solid family
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Zinc has a density of 7.14 g/cm3 and Aluminums is 2.70 g/cm3 at 300 degrees Kelvin
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hydrogen gas.. and it also produces a salt Mg(s) + H2SO4(aq) ¾ ¾ ® Mg2+(aq) + SO42-(aq) + H2(g)
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Actually, both from top to bottom, and decreases from left to right. your welcome
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crush some tablets and add sulfuric qacid titrate with potasssium permanganate
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Because heat rises. Whether its a flame on a candle or a fireplace, the heat makes the flame rise up.
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An Aqueous solution is a solution with lots of water It is dissolved in water.
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Water boils at 100 degrees Celsius or 212 degrees Fahrenheit. Xox, Smartiiz.Also water boils at 273 degrees kelvin
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Baking soda is sodium bicarbonate or NaHCO3 As you can see from the formula, there is: Sodium (Na) Hydrogen (H) Carbon (C)...
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Medical scanning technology, energy production, as the fission of radioactive atoms releases large amounts of energyTechnetium,...
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Mono-potassium Phosphate = KH2PO4
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Gum contains specialized super cells that fight bacteria etc. Upon placing a piece of sugar free gum in your mouth these cells...
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12.8760465656 x 10^-17
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What makes peanut brittle brittle is the addition of baking soda after the candy has cooked. If you've never made it you should....
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The chemical symbol of an element represents the name. Example: the chemical symbol for lead is (Pb).letters
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central carbon atom, with four dots, one top, one bottom, one left, one right. Each dot represents a valence electron. Add one...
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Rubiadin(hepatoprotective), Anthraquinones : (tectoquinone, 1-hydroxy-2-methylanthraquinone, 2-hydroxy-6-methylanthraquinone,...
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The half-life of the drug is the time taken for the plasma concentration of the drug to reduce to 50% of its original value. ...
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Transition Metals.
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The number of electrons an orbital can hold vary depending on which orbital we are talking about. There are a number of orbitals,...
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Milk is a mixture of many different substances. It does not have a chemical formula.
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In ancient Rome, scribes wrote on papyrus (an early form of paper) with a thin metal rod called a stylus. The rod left a light...
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Smart polymers can be used for heart valves and many other medical uses. In addition to this smart polymers are polymers...
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the particles in a solid are closely locked in position and can only vibrate
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well, its position means it is an alkali metal and it has 1 valence electron it is reactive, but the least reactive of its...
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yes copper is a metalloid indeed no its not but 5 is.
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It is called the electron cloud, the volume in which electrons are most likely to be found. This area is given by Schrodinger's...
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Yes you do! ex: H= Hydrogen & C= Carbon. If you have an elemt with 2 letters you only capitalize the first letter. ex: Ca=...
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Because there is different acid content in each soda.
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the stable electrons in Group 18 is the noble gasses. and folks that is our answer!
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a carbon atom can form four bonds with other atoms
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Thomson's plum pudding model is the model of an atom in which an atom is regarded as a sphere of size 10^(-10)m radius and...
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Pumps electrons into the mitochondria matrix
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I done this experiment for 3 weeks and the juice i used (white grape juice) did not rust the nail.
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The periodic table is now complete and can be displayed using the integral atomic numbers. In Mendeleev's time there were still...
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It is approximately 18.0194 amu.
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Gold is the most ductile metal. 1gm of gold can be drawn into a wire running upto 2 km.
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6.8
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