Chemistry Questions and Answers

  • Apple juice, solution or suspension?
  • application of eletron microscope in materials anaysis?
  • Applications of Boyle's Law in real life situatations?
  • Approximate equilibrium constant?
  • aqueous barium bromate is mixed with aqueous lithium phosphate?
  • aqueous platinum(III) bromide reacts with aqueous sodium sulfide?
  • Aqueous silver nitrate is added to a solution containing potassium chloride. What precipitate forms?
  • Aqueous sodium chloride will react with which one of the following in an exchange (metathesis) reaction?
  • AQUEOUS SOLUTIONS problem?
  • Are acids and bases equally dangerous?
  • Are acids ionically bonded?
  • are all catalysts organic?
  • are all enzymes proteins?
  • are all halogens gases?
  • Are all monosachharides reducing sugars?
  • Are all salts that result as various mineral specimens ionically bonded?
  • are amino acids really acids? Why are they called amino acids?
  • are any of these chemicals found naturally? (ie in nature and thus not man-made)?
  • Are bases rarer than acids?
  • Are cells made of atoms? If so, of which element(s)?
  • Are coefficients involved when determining atomic weight?
  • Are coins made of metal?
  • Are magnets still attracted to rust (Fe2O3 something) even though the iron part has been oxygenated?
  • Are metal ions oxidizing agents or reducing agents?why?
  • are metals more ductile than alloys?
  • Are metals recycled from computers dangerous or radioactive?
  • Are nitrates soluble in Nitric Acid.?
  • Are Polyphenols fat soluble substances?
  • Are protons and neutrons bigger than electrons?
  • Are q, w, E, and H state functions?
  • Are Rf values accurate; how can they be better analyzed?
  • Are sink drains made of Aluminum?
  • Are the electrical charges that exist between protons and electrons in atoms the same as the electricity that?
  • Are the following chemical or physical changes?
  • are the following topics in chemistry hard to cover?
  • Are the London disperion forces between water molecules weaker or stronger than the molecules of H2S?
  • Are the solid's particles and liquid's particles are same in size or volume?
  • Are there any "kitchen chemistry" ways of making electircally conductive oxygen-permeable vegetable oil? Thnx
  • Are there any artificial membranes that allow water molecules to pass from side of the mebrane to another..?
  • Are there any chemical reactions with CO2 that release net energy?
  • Are there any elements in the Periodic Table that are used in any kind of procedure that involves the brain?
  • are there any nuclear experiments that can be tested in a classroom?
  • Are there any Organic Chemistry geniuses out there?
  • Are there any pharmaceutically related products related to Ethylene Biosynthesis in plants? (i.e. Yang cycle)
  • are there any suitable substitutes for glutaraldehyde?
  • Are there conclusive results on the production of a clear aerogel?
  • are these 4 topics hard to cover in chemistry?
  • Are these compounds or mixtures?
  • Are these equations balanced?
  • are these right?
  • are these topics hard to cover in chemistry?
  • Are two compounds (with the same molecular formula) with different bond types considered to be isomers?
  • are u clever try do these?
  • Are You a Chemist...Or do you happen to be very good at chemistry.If so Please Help asap!!?
  • aromaticity question?
  • aromaticity?
  • aromaticity?
  • aromaticity?
  • Arrange the following elements in order of increasing ionization energy?
  • arrange the following from highest boiling point to lowest boiling point?
  • arrhenius acids must contain: hydrogen, hydroxide or metal?
  • Arrhenius Calc?
  • arrhenius' equation?
  • Arrhenius equation?
  • Arsenic reacts with oxygen to form oxides that react with water.?
  • artificially ageing objects?
  • As a Food Additive is use of Magnesium Stearate permitted as per Middle East Food Regulations ?
  • as far as acids and bases go, what does pH stand for? Is it an abbreviation or something?
  • As mineral groups are categorised on anions such as SO4^2- do they mostly consist of ionic bonds?
  • As the warm water cools, try to explain what happens in terms of energy on a molcular level?
  • As4O6(s)+ _ H2O-----> ? This is fun?
  • aspartame is poisonous. in what amount per day? how much is it in natreen or similar staff?
  • Assume that 3.61 x 106 kJ are needed to heat a swimming pool. If this energy is derived from the combustio
  • Asymmetric & Symmetric Molecules?
  • asymmetric synthesis of aminoacids?
  • At 0 celsius and 1 atm, 12L of ammonia was produced by the Haber process, how many L of hydrogen were used?
  • At 1 (atm) a balloon contains 12.00 L of nitrogen at 300 K. what would the volume be if the temperature droppe
  • At 30 degrees celsius & 1 atm 350L of CO2 were consumed. Assuming 100% yield what mass of glucose was produced
  • At a temperature of 273 K, a 400.-milliliter gas sample has a pressure of one atm of mercury. If the pressure?
  • at Christmas? a Christmas tree, but when do you use a chemist tree?
  • at constant pressure a gas will increase the volume with an increase in temperature -- true or false?
  • At equivalence point, isn't pH=pKa for all titrations? Does this include weak acid vs. strong base?
  • At room temperature and atmospheric pressure, ammonia is a?
  • At STP, 3L of chlorne is produced during a chemical reaction . What is the mass of this gas?
  • at what temp does road salt not work at?
  • At what temp. does water freeze?
  • At what temperature are enzymes denatured?
  • at what temperature does bleach freeze?
  • at what temperatureis the celsius reading the same as the fahrenheit?
  • At which conditions would a real gas act MOST like an ideal gas?
  • Atmospheric Ozone Degradation?
  • Atom Outline!?
  • Atom question?
  • atomic absorption spectrophotometer?
  • Atomic models.?
  • Atomic orbitals?
  • atomic radii?
  • Atomic Radius Problem. Any Help Appreciated!?
  • atomic structure briefly?
  • Atomic Structure Chemistry question HELP ?! (quick best answer)?
  • Atoms And Ions?!?
  • Attention Chemistry Wiz's...Please help me understand this GAS Law??
  • Automobile airbags are inflated by nitrogen gas, generated from the explosive decomposition of solid sodium az
  • automobile exhaust contains nitogen oxides. how mite these pollutaants affect chemical weathering process?
  • Average Atomic Mass?
  • Avogadro‚Äôs number can give two conversion factors. What are they?
  • Background information for immiscibility?
  • baking soda and vinegar chemical equation?
  • balance chemical equation?
  • balance equation for the reaction between BaCl2 and Na2SO4 my limiting reactant is Na2SO4 and exess reactant?
  • Balance equation help?
  • balance equation of slaked lime (calicum hydroxide) with (aluminum sulfate) to form aluminum hydroxide?
  • Balance Equations...__Cu + __HNO3 -> __Cu(NO3)2 + __H20 + __NO2?
  • Balance Equations...Please Help...Thanks :)?
  • Balance Equations?
  • balance please- C4H10(g)+O2--------->CO2+H2O ?
  • balance the following equation. Fe2O3 + CO -> Fe + CO2?
  • Balance the following equation. Na2SiF6 + Na -> Si + NaF?
  • Balance the following equations. ZnS + O2 -> ZnO + SO2?
  • balance the following reaction in basic solution?
  • balance the following reaction?
  • Balance these 2 separate equations please.?
  • balance this chemical equation?
  • Balance this Chemical Equation?
  • balance this chemical equations?
  • Balance this chemistry equation?
  • balance this equation : Zn(s)+CuSO4(aq)--Cu(s+ZnSO?
  • balance this equation by using coefficients?
  • balance this equation URGENT?
  • Balance this equation>?
  • balance this equation: H3PO4 + (NH4)2MoO4 + HNO3 --> (NH4)3PO4 + 12MoO3 + NH4NO3 + H2O?
  • Balance this equation: NaH2PO4 + Ca(NO3)2?
  • Balance this equation:?
  • balance this equation?
  • balance this: Na2SiF6 + Na--> Si +NaF?
  • balance this: AGNO3 + ALCL3--> AgCL + AL(NO3)3?
  • balance ZnS + O2> ZnO +SO2?
  • balance ZnS + O2> ZnO +SO2?
  • Balance: NaH2PO4 + Ca(NO3)2?
  • balanced chemical equation for solid copper(ii) sulfide reacts with aqueous nitric acid to produce aqueous?
  • balanced chemical equation of self ionization of water??
  • Balanced equation?
  • Balanced Equations. Help is appreciated.?
  • Balanced Equations?
  • balancing C12H22O11 -------> C + _________?
  • Balancing Cemical Equations?
  • Balancing Chemical equations help please??
  • Balancing chemical equations!?
  • Balancing chemical equations?
  • Balancing Chemical Equations?
  • Balancing Equations Help?
  • Balancing Equations Help?
  • balancing equations!?
  • Balancing Equations...?
  • Balancing Equations...HELP!?!?
  • Balancing Equations...HELP!?!?
  • balancing equations?
  • balancing equations?
  • Balancing Equations?
  • Balancing equations??
  • Balancing Ions and Stoichiometry?
  • Balancing of equations:?
  • Balancing the equation!!!?
  • barium chloride dihydrate, BaCl2*2h2o, contains 2 moles of water molecules per 1 mole of BaCl2. however, water
  • Barium Hydroxide + Sulfuric Acid---> barium sulfate and what other product? water?
  • Barometer Formula - if atmosphere = H, Argon, Xe?
  • Based on 2 compounds, one pure, one unpure, can the contaminate be found from a UV spectrum graph of each?
  • Based on electronegativity values, which bond has the highest degree of ionic character: H-S, Si-Cl or Cs-Br?
  • based on organic chemistry, How to prepare cyclopentanone using cyclopentanol?
  • Based on the typical "shell" model, how many fluorine atoms should combine with how many hydrogen atoms?
  • based on what about the interaction of oxygen with the glowing splint, explain why liquid oxygen is an?
  • Basic Chem Question?
  • basic drugs?
  • Basic equation for vinegar (ethanoic acid) + sodium hydroxide?
  • Basic questions...please help me...?
  • Because endothermic reactions require the addition of heat as a reactant,?
  • Beer's Law -- What happens to absorbance when concentration is halved?
  • before has been react with ligand, why ferum must be in Fe(II) condition?
  • Before the Bunsen burner was created, what did people use for heating chemicals?
  • beginning chemistry, naming compounds! confused!?
  • Behavior Of A Gas Question?
  • Benedict's Solution and Glucose?
  • Benzoic acid (HC7H5O2) has a pka=3.683. Determine the pH of a 0.0695 M benzoic acid solution.?
  • Beryllium project help!?
  • bet you chemistry gurus cant figure this one out...?
  • beta particles are the same as helium nuclei?
  • Between propanone and water, which is more polar?
  • Big city sewage and biochemistry?
  • Binary covalent compounds are: --> ?
  • bio medical and industrial importance of enzyme?
  • Biochemistry question?
  • Biology and Chemistry Path?
  • Biology studies problems to find solutions.Give an example?
  • BISMUTH! EASY BEST ANSWER SERiOUSLY!!?
  • Black specs in Diamond what is it??
  • blank and blan are found in the nucleus of an atom. they account for most of the blank of the atom?
  • Blowing fire?
  • Blue light has a wavelength of approximately 475 nm. What is the energy (in joules) of one photon of blue ligh
  • blue litmus paper CONFUSION!?
  • Boiling - Freezing temperatures --> Ionic or non-ionic?


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