Chemistry Questions and Answers

  • dose anyone know a good site for chemistry?
  • Dose anyone know the answer?...thanks?
  • Dot and Cross Diagrams.. How do i do these!?
  • Dot and Cross Diagrams.. WTF! How do i do these!?
  • dot diagram for C2H6?
  • dot diagram for CH3Cl?
  • Dot diagramn? Ionic Bonds?
  • double displacement reactions?
  • Double Replacement Reactions?
  • Double, Triple?
  • Draw a reaction profile for an exothermic reaction with two steps. The first step is the rate determining step
  • Draw the fully protonated form of the peptide DARYLKM. What is the overall charge of this peptide at pH 7.0?
  • dremel open a bottle of shaving cream?
  • Drying organic liquid phase in an extraction experiment?
  • due to which compound salt get wet in rainy season ?
  • dumb question...what is proportional and inversely pro.?
  • During a crystallisation experiment...?
  • during a flame test, why is it the metal cation that causes the color?!!!!!?
  • During a titration why could teh standardized NaOH solution be kept in a stoppered bottle?
  • During a titration why is it necessary to rid the distilled water of Co2?
  • During a titration, 0.50 M NaOH(aq) is added to 40.0ml of 0.50 M HCL(aq). What is the pH of the solution when?
  • During a titration, 0.50 M NaOH(aq) is added to 40.0ml of 0.50 M HCL(aq). What is the pH of the solution when?
  • During a titration, 0.50M NaOH(aq) is added to 40.0ml of 0.50M HCL(aq). What is the pH of the solution when 3
  • During an experiment, why must you avoid using your hands in handling the Mg ribbon and the crucible?
  • During this reaction: P4+5O2--->P4O10, 1.5 moles of product were made in 30 sec.What is the rate of reaction?
  • dynamic equilibrium state?
  • EASIEST CHEMISTRY QUESTION EVER, EASY TEN POINTs!?
  • EASIEST CHEMISTRY QUESTION EVER, GET YOUR EAsY TEN POINTS!?
  • EASIEST CHEMISTRY QUESTION, GET YOUR TEN POINTs!?
  • Easy chem I know just need help?
  • easy chem question help?!?
  • Easy Chemistry question...I'm serious it's really easy?
  • easy one for you, what is the simplest element and where is it changed into helium to make balloons float?
  • Easy Question: when calcium oxide and water are mixed together, does this form a chemical or physical change??
  • effect of concentration on reaction rate?
  • effect of salt on cmc?
  • effusion/diffusion.need help!!!!!?
  • egg on mountain?
  • Eigenfunctions and operators.?
  • Electonegativity help? :)?
  • electrical conductivity of Mg high in molten and solid state but not for MgO?
  • Electrical conductivity?
  • electrical energy..?
  • electricity question please help?
  • electricity question?
  • electricity question?
  • Electricity Questions. Please Help?
  • Electrochemical cell question?
  • Electrochemistry someone HELP!?
  • electrolysis help?
  • electrolysis..?
  • Electrolyte question?
  • electron configuration?
  • electron configuration?
  • electron configuration?
  • Electronegativities atoms?
  • Electronegativity Question?
  • Electronic configuration?
  • Electronic Subshells?
  • Electrons in Subshells?
  • Electrons of Mercury?
  • Electrons!?
  • Electrophile, Nucleophile ?
  • element with the highest electromagnetic value?
  • Elemental fun puns?
  • elements according to their families?flourine,neon,sodium,potassium,nickel,uranium,oxygen,iodine,calcium?
  • Elements with "ide, "ite" when do we use the endings?
  • Elements with similar properties?
  • Elements???
  • Emergency chemistry help?
  • emergeny! please help me?
  • Emission Spectra & Electromagnetic Spectrum?
  • Emission spectra?
  • emperical formula - elemental analysis?
  • Empirical formula for a compound question..please help...?
  • Empirical formula for a compound question..please help...?
  • empirical formula for a compound with the percent composition...?
  • Empirical formula of a hydrocarbon...?
  • empty flask weighs 241.3 g.when filled (d=1.00g/cm3) the flask and contents weigh 489.1 g what is volume?
  • Emulsion question?
  • endothermic or exothermic - how can i figure that out?
  • Energy added to a sample of water?
  • energy chemistry problems?
  • Energy Distribution, hmmm.. Please help!?
  • energy levels?
  • Energy levels?
  • Energy Required to Break a Proton into Quarks...?
  • Energy state?
  • Engine chemistry?
  • Enthalpy change and thermochemical reactions?
  • enthalpy change of formation?
  • enthalpy change question?
  • enthalpy chemistry help!?
  • enthalpy of formation?
  • Enthalpy of vaporization of propanol-1?
  • Enthalpy/Entropy of Solutions?
  • Entropy and Delta S?
  • Entropy of an equation (chemistry)?
  • enzyme structure?
  • EPSOM salt?
  • Epsom salts?
  • equation dilemma?
  • Equation for acids/bases in water solution?
  • equation: iron plus water yields hydrogen plus iron (III) oxide?
  • equations for centrifugation?
  • equations for the following problems? In the reaction C +2Hsubcript 2-->CHsubcript 4,?
  • equilbrium constant for acid dissociation, chemistry?
  • Equilibrium --AHHHH!?
  • equilibrium chemistry?
  • equilibrium concentraion with decomposition?
  • equilibrium concentration, chemistry?
  • Equilibrium concentration, Please help asap?
  • Equilibrium Concentration... chem?
  • Equilibrium Concentrations for a Simple Addition Reaction?
  • equilibrium concentrations?
  • Equilibrium concentrations?
  • Equilibrium concentrations?
  • Equilibrium concentrations?
  • Equilibrium Concentrations?
  • Equilibrium Constant help?
  • equilibrium constant problem. Please Help.?
  • Equilibrium constant question?
  • Equilibrium Constant?
  • equilibrium constants?
  • Equilibrium- help please?
  • equilibrium help?
  • equilibrium pressure problem?
  • Equilibrium Pressure?
  • Equilibrium Pressure?
  • Equilibrium Pressure?
  • Equilibrium Pressure?
  • equilibrium problem?
  • Equilibrium question (involving OH-)?
  • equilibrium question?
  • Equilibrium question?
  • Equilibrium Question?
  • Equilibrium Question?
  • Equilibrium Shifts?
  • equilibrium?
  • equilibrium?
  • equilibrium?
  • Equilibrium?
  • Equilibrium?
  • Equilibrium?
  • Erff. Neeed help plzz.?
  • Ergun Equation?
  • Ernest Rutherford and Frederick Soddy?
  • essential material for flotation ?
  • estimate ΔH for the following gas phase reaction.?
  • ethanol with Lucas test..?
  • ethanol with potassium permanganate?
  • Ethers are much less polar than alcohols.Why?
  • Ethyl Alcohol 70%?
  • Ethyl alcohol has a specific gravity of 0.8 g/ml.?
  • evaporation?
  • Exactly how much is a tonne of CO2?
  • Examples of gases?
  • EXAMPLES OF SATURATED FATTY ACIDS AS WELL S THEIR COMMON NAME,International union o NAME, AND CHEMICAL FORMULA
  • Examples of solutions in the home and identify solute and solvent?
  • Excess lead(II) nitrate (Pb(NO3)2) reacts with sodium iodide (NaI) to produce a yellow precipitate.?
  • exothermic and endothermic reactions..?
  • Exothermic and endothermic reactions.?
  • Exothermic or Endothermic?
  • experiement question?
  • experiments for Reactions for aquaeous solutions?
  • Explain a way to calculate the moles of a gas.?
  • Explain alkaline properties of detergent?
  • explain how an inhibitor inactivates an enzyme?
  • explain how carbon dating works?
  • Explain how detergents work?
  • Explain how I can make alkaline hexagonal water, Please!!?
  • Explain how melting point and boiling point can help identify matter?
  • Explain how refrigerators work in terms of energy transfer?
  • explain how the fission can be slowed in the nuclear reactor?
  • Explain how the isotopes of one element are alike and how they are different.?
  • Explain how the plasma lipid levels were improved on a low carbohydrate diet?
  • Explain how the synthesis of para-isopropylbenzonitrile differs from that of meta-isopropylbenzonitrile?
  • Explain how you can distinguish between 1,3-octadiene and 2,4,6-octatriene using UV spectra & why its possible
  • explain importance of homeostasis to enzyme function?
  • Explain Kinetic theory?
  • Explain Micropropogation?
  • explain seato?
  • Explain the AntiBacterial Action of Ethanol?
  • Explain the chemical reaction that takes place when an element is heated to its melting point?
  • Explain the difference in solubility of benzophenone and biphenyl in methanol?
  • Explain the Discrepancy between carbon-12 and the natural mass of Carbon.?
  • explain the effect of structure on solubility and on acidity of alcohols?
  • explain the position of a metal and its reactivity...?
  • Explain the relationship that a balanced equation has between mole, particle, and mass ratio?
  • explain the use of tannic acid and picric acid in the treatment of burns?
  • Explain this `Sucrose is a dimer`.?
  • Explain this phrase for me "ATP is highly unstable resulting into ease in clearing the phosphodiester bond"
  • Explain this SO3 molecule is an electrophile?
  • explain what happens when add phosphoric acid to a solution of saturated calcuim hydroxide.?
  • explain why casein precipitates when acetic acid is added to it?
  • explain why chlorine has a high electronegativity while sodium's is low when they are in the same period.?
  • Explain why chromatography is important to food, forensic and medical scientists?
  • Explain why diamond can cut glass, but graphite leaves a black mark on paper?
  • Explain why hydrogen is unique among all the elements.?
  • Explain why is bromine, Br2, a liquid at room temperature, has a higher BP than chlorine gas.?


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