Chemistry Questions and Answers

  • Whats is a Bauxite?
  • Whats is the strongest metal in the world?
  • Whats is the stuff in dipers the powder stuff?
  • What's it like in summer school?
  • Whats Na2S2O5 + HCl= i need to know cause i just breathed it?
  • What's some great websites for helping with net ionic equations?
  • What's the % concentration of a solution made by dissolving 27g of peptone in a total volume of 500ml of water
  • What's the answer to the following question using the van't Hoff equation?
  • What's the answer using the combined gas law?
  • What's the answer?
  • Whats the atom which its atomic numberin atomic state is 14?
  • Whats the balanced equation for these reaction?
  • What's the basic ingredient of chewing gum: gum base is polyisobutylene I think. But is that made from oil?
  • What's the best glue for the handle of my fav coffee mug?
  • What's the best site/way to search for MSDS?
  • What's the charge for group 4 on the periodic table?
  • Whats the compound: H2O4?
  • What's the diferent between the strong acids and weak acids?
  • What's the difference between acetylsalicylic acid and salicylic acid?
  • Whats the difference between an air ionizer and an air purifier?
  • What's the difference between electronegativity and polarity?
  • What's the difference between hydroxyapatite and flouroapatite?
  • What's the difference between mace and pepper spray?
  • What's the difference between magnesium hydroxide, magnesium chloride, and magnesium citrate?
  • Whats the difference between organic&inorganic chemistry?
  • Whats the difference from a ray and a beam?
  • What's the differnce between "electrical current" and "flow of electrons"???
  • What's the dissociation / ionization reaction for hydrogen bromide gas in H2O?
  • Whats the equation for KCN when its dissociated in water?
  • What's the equation for the dissolution of KI in water?
  • What's the final temperature in degrees Celsius?
  • What's the flashpoint of chicken fat?
  • Whats the formula for "sodium aluminum phosphate"?
  • What's the formula for this question?
  • Whats the formula?
  • What's the freezing point of 1,3 dichloro benzeme? I really need it for my lab report??
  • What's the freezing point of aspirin?
  • What's the highest temperature for gasoline to burn?
  • What's the hybridization of BrF3?
  • What's the ideal pH for preventing corrosion of copper? steel?
  • What's the make-up of the element sodium?
  • What's the most cost effective hot-melt adhesive: metal to metal sheet bounding in continuous production lines
  • What's the nuclear reaction?
  • What's the oxidation number for a carbonyl ligand?
  • Whats the oxidation number of phosphorus Na3PO4?
  • What's the percentage of water in CoCl2 x 6H2O?
  • What's the pH of these 4 substances combined with water?
  • What's the point of double replacement?
  • What's the purpose of boiling and filtering potassium permangante solution?
  • Whats the relationship btween electron dot struture of a element & location of a element in the Peridoc table?
  • What's the roman numeral for zero?
  • Whats the solubility of KI in 150 grams h2o at 60 degrees celsius?
  • What's the taste of benzene?
  • Whats the theorical sustent of the detectin of acids and bases?
  • What's the use of Alcohol Lamp in Laboratory?
  • What's this compound?
  • When 0.157 mol of weak base (A) is reacted with excess HCL, 6.91 KJ of energy is released as heat.?
  • When 1.200 g of a certain metal sulfide was roasted in air, 0.728 g of the metal oxide was formed.?
  • When 1.200 g of a certain metal sulfide was roasted in air, 0.728 g of the metal oxide was formed?
  • When 50.0 mL of a 0.3000 M AgNO3 solution is added to 50.0 mL of a solution of MgCl2?
  • When a balloon pops what makes the sound?
  • When a binary compound is the only reactant, what are the products most likely to be?
  • When a certain radioactive nuclide undergoes alpha decay...?
  • When a reaction is carried out with different catalyst it results in the production of different products.why?
  • When a solution of NH3 (Kb=1.8x10^-5) is titrated with a strong acid the indicator used should change color...
  • When a solvent cannot dissolve any more solute, a ______solution is formed?
  • When am I ever going to use chemistry in my daily life?
  • When an acid and base completely neutrilize one another,__________? ANSWER QUICKLY!!!?
  • When an element is missing from the periodic table what do sceintists do?
  • When an enzyme is incubate at ph1 and then incubate it at ph7, can this enzyme be used again?
  • When an ionic solute dissolves in water to form an unsaturated solution, the free energy change is?
  • When atoms of nitrogen and oxygen combine, will they form ionic or covalent bonds?
  • When branded soda water bottle is opened the gas[CO2?]fizzles out slowly,bubble by bubble;some instantly.Why?
  • When burning a peanut heat is released causing the temperture of water to rise.Was it all used?
  • When burning a peanut is it an example of exothermic or endothermic energy? Explain?
  • When Butane Fuel Dries...?
  • When C2H2O is completely combusted, what are the products?
  • When Cadmium forms a charge, what predictable charge does it tend to form?
  • When can you purify a substance by solution and filtration?
  • When cations and anions join, they form what kind of chemical bond? EXPLAIN!!?
  • When cleaning gold with nitric acid, what is the use of the mercury?
  • When converting grams to mL~ converting 200grams to mL~ would mL end up being 320?
  • When did kerosene come into general use as a lamp fuel?
  • When dissolved in H2O to form a 1.0 molar solution, all of the following substances will complete a circuit.?
  • When do I use the the following energy formulas?
  • When do we need a chemist?
  • When does an atom become a postive ion? when does an atom become a negative ion?
  • When does black smoke come out of a fire?
  • When doing an assay of acidity in Vinegar experiment, why is it a good idea to rinse the buret with NaOH...?
  • When doing recrystallization, why must the pure acetanilide be dry before weighing? before measuring melting?
  • When equilibrium is reached in this system, the rate of the foward reaction is:?
  • When ethene reacts with bromine water [or bromine], do they react ionically or covalently? Explain why or how.
  • When finding the percentage of water in a hydrate why can't you always heat it?
  • When gasoline is burned in an auto engine, the desired reaction products are carbon monoxide and water?T or F?
  • When gasoline is burned in an auto engine, the desired reaction products are carbon monoxide and water?T or F?
  • When HCl is added to Na2CO3, what type of reaction is this? (synthesis, decomposition,...) PLZ ANSWER!!!!?
  • When heated,_____ solvents can dissolve more solute than they can at a lower or unheated temperature.?
  • When I am titrating an aspirin sample with NaOH to find it's percent purity...?
  • When I drink a glass of ice water I see little white flakes falling to the bottom of the glass, what are these
  • When I keep metal spoons inside my salt container-it rusts. Why does this happen?
  • When intermolecular forces are strong, why is the vapor pressure low?
  • When liquid mercury expands or contracts, what happens to the size of the ions?
  • When looking at carbonyl compounds?
  • When magnesium is burned, does its mass change?
  • When making 9.0mL of 2MHCl from 6M HCl, you could add no more than __mL of DI water to a 10mL graduated?
  • When N Korea Sends a Nuke, How fast will America and Our allies Send one Back?
  • When Na2CO3 dissociated in water the equation is?
  • When naming cyclic compunds , can you go clockwise and counterclockwise ? ?
  • When need to consider the water vapor pressure?
  • When one liquid dissolves in another in all proportions, the two liquids are said to be completely ___________
  • When perfume is in a bottle, it is a liquid. Why does it become a gas when it is sprayed?
  • When sodium hydroxide is added into water, does the water change color?
  • When solid K2O is dissolved in H2O, which of the following is the strongest base in the resulting solution?
  • When solid silver chloride (MM=143.4) is added to 100ml of H2O, 1.9x10^-4 grams dissolves. What is the Ksp for
  • When sulphuric acid added to...?
  • When there is a comparatively large amount of solute (for example 60% or 90% by weight) in solution?
  • When trying to figure out oxidation states, are CO and/or PPh3 neutral?
  • When u shake cream in a jar for a period of time, u can make butter. why is this so? what are reactions?
  • When was solvite invented?
  • When water is warmed above 3.98C, it?
  • When we polymerize nylon?
  • When will flammable vapours not burn?
  • When will the fluorescence excitation spectrum correspond to the absorption spectrum of the substance.?
  • When wood burns, heat enegry is released. Where had this heat energy been stored?
  • When you boil water, and col the steam how much water you get?
  • When you boil water, and col the steam how much water you get?
  • When you burn a log in the fireplace or burn gasoline in a car, is the reaction (combustion) an endothermic or
  • When you burn a peunut what is the black substance produced?
  • When you burn hydrogen it joins with oxygen and makes H2O. what happens if you burn hydrogen without oxygen?
  • When you have CuSO4 XH2O, how do you calculate the X?
  • When you mix baking soda and vinger?
  • When zinc reacts with hydrochloric acid and produce hydrogen gas, is it endothermic reaction?
  • Where can a gay guy from India with a PhD in Organic Chem find lists of jobs?
  • Where can explode up in here?
  • Where can I buy alum solution?
  • Where can i buy cyanide?
  • Where can I buy ethanol in canada?
  • Where can I buy highly enriched Uranium?
  • Where can I buy NaCN in Hyderabad. India?
  • Where can i buy Potassium Nitrate (Saltpeter) in Sydney? It is used as a pickling agent when making ham.?
  • Where Can I Buy Potassium Nitrate?
  • Where can I buy Rhodium in discount price?
  • Where can i buy.?
  • Where Can I Find a Good Tutorial on Organic Reaction Diagrams?
  • Where can i find a list of alloys with the percent composition of each element included in the alloy?
  • Where can I find a listing standard Rf values for various chemicals using silica plates?
  • Where can I find answers to the 1999 and 2002 AP Chemistry exams?
  • Where can I find Benzene?
  • Where can i find books on engineering chemistry?
  • Where can i find gamma Butyrolactone?
  • Where can i find platinum in daily life??
  • Where can i find potassium nitrate?
  • Where can I find saltpeter (potassium nitrate)?
  • Where can i find vit 2007 solutions?
  • Where can i fond orders of reactions for referencing?
  • Where Can I get Dry Ice in the US?
  • Where can I get ether?
  • Where can i get graduated cylinders?
  • Where can I get iso standards for toothpastes for free?
  • Where can I get some good, stovetop, lab-grade glassware online?
  • Where can I get the element Lithium?
  • Where can i order a butyl rubber stopper to be used in a 16mm test tube?
  • Where can I see boron atoms?
  • Where can i sell unrefined gold?
  • Where can i send to internet my expirement results-research for recognition?
  • Where can is buy ethyl mercaptan in singapore? How much for 160 kg?
  • Where can one get the Recipe for C20 H25 N3 0?
  • Where can you find petroleum ether?
  • Where could i go to find out if all the 5 points of John Dalton's Atomic Theory, is still considered vaild.
  • Where did the first molecule come from?
  • Where do electrons...?
  • Where do i buy AgNO3?
  • Where do i keep dry ice ?
  • Where do they get aluminum alloy.?
  • Where do you get sodium penathol(truth serum)?
  • Where does Argon come from? [not the word.]?
  • Where does reduction occur in an electrolytic cell?
  • Where i wil easily get cyanide?
  • Where is a chem geek when you need one?
  • Where is better to take chemistry? Waterloo,York Toronto or Queens universities?
  • Where is gold found in nature? What most common element is it?
  • Where is lead...?
  • Where is the point of attack of the enzymes which act on carbohydrates?
  • Where is Xenon found (Geographically wise)?
  • Where to find values for Km and Vmax for Alkaline Phosphatase?
  • Where to get info. on using water as fuel?
  • Where was fluorine discovered?
  • Which is More Stable Between Ortho & Para form of Hydrogen ??
  • Which acid affects skin more strong or week i guess week acid?
  • Which acid is the strongest?
  • Which additives in conserved foods are poisonous?
  • Which are true about nuclear reactions?
  • Which atom is the largest? Rb, Li, Na, K, Cs?
  • Which balanced equations are endothermic/exothermic?
  • Which base (plus acid pair) makes buffer solution of pH 9?
  • Which best describes a lead-acid cell when its electrodes are coated with PbSO4?
  • Which bonds stronger? (chemistrsy)?
  • Which bonds the quicker?
  • Which book works the best for the AP Chemistry Exam?
  • Which burn is the worse a boiled water or steam both at same temp 100 degree celisus?


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