Chemistry
This category encompasses all questions about the composition, structure, properties, and reactions of matter.
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The particles in the gas phase are most easily compressed. Solids and liquids are generally considered to be incompressible (at...
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There is no one force that converts potential energy into kinetic, as there is not just one kind of potential energy. If it's...
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It is not ionic, it is covalent.
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Of courseAn example: NaOH---------Na+ + OH-
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He made many advances in the studies of sugar and caffeine.
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2Ga + 3S >> Ga2S3
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When there is an electrical current, there is a movement of some charged particle. This may be any kind of particle - an electron...
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If the metal can be submerged, put it in an ice water bath using pure water to maintain 0 C. To keep it at 50 C, you could use a...
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Three protons and two electrons.
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It is nickel-62 that is most stable atomic nuclei. The reason for this is based on what is in the nucleus of an atom and the way...
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you put the saltwater in the frezer for a day the next day take it out
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Chemistry is not an art, it is a sub-section of science.
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the basic aim of every atom is to be stable. to achieve this stability they either donate or accept electrons making ionic bond...
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An oxidizing agent oxidizes the reducing agent, while the reducing agent reduces the oxidizing agent. In simple terms, both...
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It is because density of ice is less than that of Mercury.
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I'm taking an awesome chemistry final tomorrow. So, I'm not a massive failure at this: k=mol/liters Kc can only determine by...
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Radium(Ra) was discovered by Marie Sklodowska-Curie and her husband Pierre in 1898 in North Bohemia, in the Czech Republic.
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Yes. Simply throw them in with any standard recycling removal, and they will be processed at the recycling station. All you have...
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The 3rd carbon atom in hexan-3-ol is asymmetric so arrange four groups around this carbon atom in two ways the one should be...
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ventilation-perfusion lung scan (for detecting pulmonary embolism ed)
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No, it can't be. Organic compounds contain carbon. It is, however, a covalent compound, because the bonds are between nonmetals.
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One forms ZnO. Zinc has an oxidation number of +2, and Oxygen has an oxidation of -2.
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When the concentration of the reactant is decreased, the rate of chemical reaction go slow.
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1953 that is what i thought
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Just like how like ice floats in water. that just a guess.
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Ca2+. If it has a plus, it's a cation.
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It does if it's moving.
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The formula for propene is c3h6 the formula for propyne is c3h4.
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Proton are positively charged subatomic particles in an atom. When atom loses electron(s), there will be more protons compared...
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Immensely numerous. From the fertilizers for growing plants, to the soaps and shampoos in your hair, to the medicines and lotions...
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One mole of NaOH is 40g. So 40g dissolved in 1 litre will give a 1M solution.
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Since hydrogen has an n-factor of 1, its no. of moles and equivalents are same. 0.1 moles 36.5/10 = 3.65 g of HCl. Add 3.65g of...
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An empirical formula.
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Hyrometre
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it depends on the units of the specific heat, but if they are J / goC then you would take your delta T (25-20) and multiply it by...
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Although graphite and diamond are both formed from carbon, the physical structure of the electrons for each is different from the...
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Helium Carbon Dioxide Oxygen Nitrogen Carbon Monoxide water vapor (steam) Neon Argon Krypton Xenon Radon hydrogrogen
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E2xoy4=cu8
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The reactants go into, the products come out of a reaction.
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AsF2 has two single bonds.
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Sounds moves faster in cold water than hot water. The reason behind is the higher density and consequently the higher atomic...
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When the iron and the vapors of the water chemically react with each other then the Rusting take place.
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The problem with questions like this is that the second bit of the question is always missing, making it impossible to answer....
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Half life is the time interval in which the number of nuclei present at at a given time decay(or disintegrate) to half of its...
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Iron + Nitric acid ----> Iron(III) nitrate + Water + Nitrogen Dioxide Fe + HNO3 ----> Fe(NO3)3 + H2O + NO2 NOTE: Nitrogen...
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the anti-proton
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lots of poo and your face
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Carbon is a non-metal with a fairly small atomic radius close to that of oxygen. Carbon dioxide consists of molecules in which a...
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The elements sodium (Na) and Chlorine (Cl)
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Non-reducing sugar such as sucrose.
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get the moles of hydrogen ions present in the solution by writing down the acid dissociation formula of the acid. Find the...
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Test tube holder
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The most commonly known types of carbon arranged in a crystal lattice are diamond and graphite, however there are others.
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Aluminium doesn't rust, ever. But it can corrode, which is similar. Anodising offers some protection, but it's all down to how...
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Not necessarily but Mathematics is the language of Sciences such as Chemistry and Physics, and so if you are great at...
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Compound that contain only hydrogen and carbon are known as 'hydrocarbons'. They are mainly orgainic fuels.
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Ammong other things, you get poisonous gasses.
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Yes, because it's changing the state of matter from a solid, to either gas or liquid.
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PO4 is a radical, not a compound, and it has a covalent bond, not an ionic bond.
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Similar to methane where we have a central carbon atom bonded to four individual hydrogen atoms (four pairs of electrons),...
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5g of sugar. 10 liters = 10,000ml, 500g / 10,000ml = 5g / 100ml.
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Bronze is not an element, it is an alloy (mixture) of copper and tin. Both are less reactive than aluminum.
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Since, frequency, f = c/λ Then, λ = 405 x 10-6 cm = 4.05 x 10-10 m and c = 3 x 108 ms-1 Therefore, f = 3 x 108 ms-1 / 4.05 x...
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A biological catalyst makes chemical reactions more efficient by lowering the activation energy. A biological catalyst is another...
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the jeepney of mass 2000kg is more difficult to stop than the tricycle of mass 1000kg because the force applied to the former is...
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2C + O2 =2CO (Carbon Monoxide) incomplete burning C +O2 =CO2 (Carbon Dioxide) complete burning
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Yes.
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because it has salt in it...
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In any circumstance where a threshold of energy is required to free an electron from a bound state, an incoming photon must have...
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A reaction that occurs without the input of energy from an external source. For example, it doesn't need heat to start it, it...
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A new element is formed having atomic no 2 units less and mass no 4 unit less.
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Sugar added to boiling water will dissolve. This creates a sugar solution.
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No. Salt is a compound Sodium chloridePotassium is an element
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Diamond.
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Don't think so but then that only sounds right to me.
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Rust consists of hydrated iron oxides Fe2O3·nH2O and iron oxide-hydroxide (FeO(OH), Fe(OH)3).
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It can be either. A very dilute strong acid can have a pH of 4.5, as can a moderate concentration of a weak acid.
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The 7th element on the periodic table is Nitrogen
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The fire on the candle is a concentrated heat which tends to get extremely hot to where you can badly burn your finger on it. A...
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Electron configuration of silicon: [Ne]3s23p2 Electron configuration of germanium: [Ar]3d104s24p2
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Blue flame is hotter than a yellow one, this flame has incomplete combustion due to lack of oxygen.
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It is very porous, meaning it has lots of very little holes in it. So the water gets in.
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In chemistry, pH is a measure of the acidity or basicity of a solution.pH is defined as minus the decimal logarithm of the...
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Englishman Joseph Priestley in 1767 by infusing it with carbon dioxide
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Your question is just, "How many times does 30 go into 1,000?" The answer is 33, with a remainder of 10 (mg).
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Becaus oil is thicker and heavier than water
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95% CO2 , 5% mostly Nitrogen. This is a seriously greenhouse atmosphere. Over 450 0C. Acid rain.
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Alloys have simply been studied to have better properties (strength, higher/lower melting point, low density, resistance to...
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Because of the Big bang, when Hydrogen (H) started to fuse together to Helium (He). This process was possible because of an...
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