Chemistry Questions and Answers

  • Concentrations of Soulutions Question!?
  • concentrations, chemistry?
  • concept of anuclear bomb?
  • Conclusion about the eksperiment of conversion of ethyl acetate formation.?
  • Condensation products?
  • condensed formulas 3-hexene and methylbutane?
  • Confunded by Chem. Experiment?
  • Confusing Chem question?
  • confuzion...misunderstandings in chemistry and need clarification?
  • Conjugate acid question?
  • Connect these two chemistry conceps: molecule and compund.?
  • consider a mixture of triphenylmethanol (solid), diethyl ether and water, what would the layering be?
  • Consider a solution of unknown salt having the general formula BHCl, where B is one of the weak bases given?
  • Consider Lithium (Li) and Chlorine (Cl) reacting to form an ionic compound..?
  • consider the carbon-nitrogen bonds in the following:...?
  • Consider the following equation: N2 + 3 H2 ? 2 NH3?
  • Consider the molecules CO,CO(2) &CH(2)O.Which C-O bond is shorter?In which molecule is the C-0 bond stronger?
  • Consider the tiitration of 100mL of 0.01M Ce4+ in 1M HClO4 by 0.04M Cu+ to give Ce3+ and Cu2+ using Pt and sat
  • Contamination by polonium-210?
  • continuation of question?
  • Conversion for ppm to percentage?
  • Conversion help?
  • conversion question...?
  • Convert 2.8 Eg to Kg.?
  • convert 25 miles per hour to meters per second. show your work?
  • Convert 6.62e-12 nL to mm3?
  • Convert J/g to kJ/mole (chem)?
  • Convert the following to mass (grams) - 1000 atoms of Aluminum (Al)?
  • Convert the following to mass (grams). Given 1.50 x 10^-4 mole of AgCl?
  • Convert the following to moles. 6.02 x 10^23 molecules CO2?
  • Convert the following to number of atoms or molecules - 0.05 moles SO2?
  • Convert the following to number of atoms or molecules - 540 grams Al?
  • Convert the following to number of atoms or molecules. 2.0 moles of CO2?
  • Convert the following to number of atoms or molecules. 1.00 x 10^-3 mole of CO?
  • Converting benzoic acid to an aldehyde substituent.?
  • Converting Carbon-14 Energy into power to operate a lightbulb?
  • converting celcius and fahrenheight?
  • Converting from grams into molecules?
  • Converting from moles into molecules atoms or formula units?
  • Converting grams to moles?
  • Converting pressure into atrmosphere (atm)?
  • Cool packs...how do they work?
  • Coordination chemistry?
  • Coordination Compound Help!?
  • Coordination compound questions!?
  • coordination compounds in chemistry?
  • Coordination number -- I get what it is, but not how you find it! Please help! 10 points for you!?
  • Copper Furnace?
  • copper meatal is immersed in silver chlorite solution?
  • Copper Questions?
  • Copper Sulfate and Sodium Phosphate?
  • corrosion inhibition of mild steel in 20% HCl using organic compounds?
  • COSHH analysis (Risk Assessment)?
  • could anybody tell me 'bout the chemistry of a rose plant? i mean, its chemical content..?
  • could anyone tell me about 1-phenylazo-naphthol or dye?
  • Could anyone tell me how to balance chemical equations?
  • Could someone balance this reaction for me?
  • Could someone expalin me the concept of free energy in chemistry?
  • Could someone explain how to balance chemical equations or give me a website with an easy explanation? Thanks!
  • Could someone explain the significance of the Miller-Urey hypothesis?
  • Could someone help me out with this chemistry equation?
  • could u get a back draft using a beer bottle?
  • Could you explain in detail the easiest way of handling Fe2(CO)9.?
  • could you give me a title for our investigatory project?
  • could you please check my answers?
  • covalant bonds are stronger than ionic bonds?
  • Covalency question?
  • covalent and ionic bonds?
  • covalent and van der waals radius?
  • covalent bond?
  • Covalent Bonds and Examples?
  • Covalent bonds for these:?
  • cranberry juice, solution or suspension?
  • Crude chromatography column instead of mining?
  • Crystals?
  • Cu + HNO3 --------> Cu(NO3)2 + NO2+ H2O?
  • Cu(NO3)2+NaOH?
  • Cubic and Hexagonal Close Packing?
  • cu-copper (the element)?
  • cumbustion?
  • curious about fire and metal..?
  • Cyanide order?
  • Cyclopentane isomer...?
  • Dalton atomic theoy explaine the observationthat the% by mass of the elements support what law?
  • Dalton's Law of Partial Pressure problem---HELP!!!?
  • Dear chemistry lovers,fried garlic on oil in pan and it turned green. Help?I?
  • decay rate of 14C from a plant is 15.3dpm per gram of carbon.how much it will be after 25000 yeas,t1/2=5730yas
  • decay rate of 14C from a plant is 15.3dpm per gram of carbon.how much it will be after 25000 yeas,t1/2=5730yas
  • Decomposition class experiment with lime-water and CuCO3?
  • decomposition equation of magnesium hydroxide to magnesium oxide and water?
  • Define charles law and boyle's law.?
  • define homeostasis.?
  • define solution?
  • define the term "saturated vapour pressure of a solution"?
  • dehydration?
  • Dehydrogenase enzymes during glycolysis?
  • Delta S and Delta H and gasoline - 10 points for the first correct explanation!?
  • Deluxe Periodic Table with the works?
  • Demonstrate that the following reaction is an example of reduction of iron?
  • density- gold/silver coins?
  • Density of a solution - Chemistry problem...I just don't get it!?
  • Density of H2O?
  • Density Problem?
  • dentify the hybridization of the carbon atom(s) in C2F4?
  • Describe how a lab may achieve accreditation for the following service:?
  • Describe how methylene blue can be used to check the effectiveness of an antiseptic or disinfectant.?
  • Describe how the following are alike and how they are different:?
  • describe how you can tell the difference between an unsaturated solution and a saturated solution/?
  • describe how you could find the density of solids that float in water?
  • describe how you know if the buret is open or closed ?
  • describe how you would separate a mixture of acetanilide and sand?
  • Describe the attractive forces and the repulsive forces that exist btween 2 atoms as the atoms move together?
  • Describe the conductivity change of Ch3COOH + NH4OH?
  • describe the difference..?
  • describe the intermolecular forces between methane and water?
  • describe the most basic solubility rules based on the following "leading" statements?
  • describe the set-up for a buret.?
  • Describe the transition that occurs when an atom absorbs UV radiation?
  • Describe two different arrangements of protons and neutrons in the nucleus of an atom.?
  • describe what you expect the appearance of astatine to be?
  • descripbe the effects of eutrophication on the chemiitry and biology of a river?
  • description of drug loaded polymeric microspheres?
  • Desperate for help with using Rate of reaction?
  • Determination of the Acid Dissociation Constant?
  • Determine a molecular formula of a compound that is 40.0% Carbon, 6.6% hydrogen and 53.4% oxygen.?
  • Determine the boiling point elevation constant for a solvent.?
  • determine the concentration - 10 points best answer!?
  • Determine the half-life (in s) for the reaction A ?products, given that the reaction is first order, k = 0.555
  • Determine the initial pressure of N2 in the 1.00 L flask.Please help! Chemistry problem... (read on)?
  • Determine the ksp for these sparingly soluble substances with given molar solubilities?
  • determine the molality of 0.893 mole acetic acid (C2H4O2) solution with a density of 1.004 g/ml?
  • determine the number of atoms in 23.5 grams of Co?
  • Determine the number of atoms that are in .58 mol of se.?
  • Determine the number of moles of cobalt acetate in 1.97 grams?thanks?
  • determine the percent composition of each of the following formulas?
  • Determine the shapes of Br2 and HBr?
  • Determine the solubility of the fallowing ionic compounds when added with water?
  • determine the solubility?
  • determine volume of hydrogen.. chem question. please help.?
  • Determine whether these are acids or bases?
  • Determine which acid/salt pair you should use to make a buffer with a pH of 5.0?
  • Determine which Boiling Pt. is Higher? Check my work!?
  • Determining an unknown metal?
  • Determining Conjugate Acid? See My Work.?
  • Determining Ka with a Given pH? Check My Work!?
  • determining pH?
  • determining pH?
  • Determining the bonding present in unkown substances by experiment?
  • Determinng molar solubility based on the pH of a solution.?
  • Devise up two syntheses of 2,6-dimethylnitro benzene starting from benzene?
  • DH calculations?
  • DI Water ?
  • diadvantages of ammonium in shampoo?
  • diagrammatic representation of forces involved in drug receptor interactions?
  • Diazonium coupling reactions are sensitive to the amount of acids and bases present in the system.?
  • dictionary for organic chemistry?
  • Did I do these double replacement reactions correctly?
  • Did I perform this Molarity calculation correctly?
  • Diet Coke Plus Mintos?
  • Difference between ?
  • difference between atomic radius (size) and radius (size). also trends of each?
  • difference between double bonds and single bonds in colavent bonding?
  • Difference between evaporation and crystallisation?
  • difference between graphite and carbon?
  • Difference between niels bohr theory of an atom compared to today.?
  • difference between precipitation and crystallisation?
  • Difference between...?
  • Differentiate between covalent, metallic and ionic bonding!?
  • differentiate the hydrolytic products of the DNA and the RNA.?
  • diffusion and molar mass?
  • dihydrogen monoxide?
  • diluted 5 times ... what does it mean?
  • Dimensional Analysis.?
  • Dimitri Mendeleev?
  • diphtheria toxoid production for vacination?
  • Discovery of element more dense than Osmium?
  • discovery of one of the metals led to revolutionary changes in the human life?
  • Discuss the digestion of protein and cite its end product.?
  • Discuss the Periodicity of the Periodic Table in regards to Lewis Dot structures, Electron Orbital Diagrams...
  • Discussion...Help..check it out?
  • disolve a substrate from a metalic coating?
  • Displayed Formula And Name Needed, PLEASE HELP!?
  • Dissociations Constants?
  • Dissolution of Sodium Carbonate?
  • dissolve pvc?
  • Dissolved Oxygen in tap water?
  • Distance between atoms?
  • Distillation question.?
  • distilled water and tap water?
  • Distilled water was added to 24.0dm3 of sulphuric acid to give a total volume of 250cm3. When 25.0cm3 of this
  • Distinguish between compressions and rarefractions of a sound wave?
  • Distinguish between metals & non-metals. Please.. It's urgent!!?
  • divination of mutation?
  • DMSP is dimethyl sulphoniopropionate. Do you know its formula? Where is the sulphonio-group attached?
  • DNA is a polymer made up of 4 different subunits. How do these units allow DNA to carry genetic info?
  • DNA Testting Time: On TV, DNA results are obtained with remarkable speed. How long does it really take?
  • Do acids and bases affect the rusting of metals?
  • Do Alkanes reduce permanganate solution?
  • Do all acids contain hydrogen?
  • Do anyone know how to balance this chemistry equation.?


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