Chemistry Questions and Answers

  • Is there a common chemical or household item that will positively detect presence of semen on cloth/upholstry?
  • Is there a definite formula for finding out the no of isomers of organic compounds?
  • Is there a dry ice substitute ?HELP?
  • Is there a formula for mercury(I) sulfate? If there is how do you write it?
  • Is there a formula to convert Joules to calories?
  • Is there a molecular formula for milk?
  • Is there a real difference between alchemy and chemistry?
  • Is there a safer product that can replace Acrylonitrile?
  • Is there a specific test for tertiary alcohols?
  • Is there a study using wet sand as an electrolyte to generate emf in a cell?
  • Is there a Symbol for the word Conversion?
  • Is there a way to make grease in to an explosive?
  • Is there a way to test for siemen on clothing in the home and not in a lab?
  • Is there a way, besides mentos and coke, and baking soda and vinegar. to make something explode?
  • Is there a website that can summarize Electron Oribitals , Quantum#S, ECT?
  • Is there another test for acidity other than litmus paper?
  • Is there any chemical which changes the color of alcohol when mixed?
  • Is there any common, household product I can react copper with but not zinc?
  • Is there any degreasing liquid for metal part for fast and easy degreasing?
  • Is there any gel which burns when lit ?
  • Is there any Laboratory available in Goa, which can check "Total Organic Carbon" in Ground Water?
  • Is there any non-filamentous bulking form which is not zoogleal?
  • Is there any oobleck like mixture that doesn't rot after time, basically something that lasts forever?
  • Is there any other way in which we can test the ph of a solution other than using litmus paper?
  • Is there any resonance in blood or in water?
  • Is there any thing on planet Earth colder than liquid oxygen?
  • Is there any way to freeze gasoline or any other flammable liquid?
  • Is there any way to get the LIME out of concrete?
  • Is there any way to test for antioxidants without the use of a lab?
  • Is there anyone who did an experiment similar to this and is published?
  • Is there anything cheaper that you can replace SODIUM CARBONATE or SODA ASH with?
  • Is there anything that can be added to water to make the freezing point HIGHER?
  • Is there anyway to make the diet coke with mentos effect without mentos?
  • Is there away to ``glue麓麓 atoms?
  • Is there carbon dioxide in cold drink?
  • Is there Such thing as O 4 or O 5, you know like Oxygen 0 2 and Ozone 0 3?
  • Is Thiobacillus species harmful to humans? How would the bacteria getting into the household water?
  • Is this an exothermic or endothermic reaction?
  • Is this balancing equation chemistry problem correct?
  • Is this considered to ba a good example of a catalyst?
  • Is this endothermic or exothermic?
  • Is this equation balanced correctly?
  • Is this even close to right?
  • Is this problem a dilution problem? Calling all chemistry professionals!?
  • Is this reaction endothermic or exothermic?
  • Is this Reaction possible?
  • Is this right?
  • Is this right?
  • Is this statement true?
  • Is this the right IR spectra for my unknown compound? Please help me!!!?
  • Is this true?(chem question)?
  • Is vaporization a chemical change or physical change and why ?
  • Is Vmax value of an enzyme lowered due to competitive inhibitor?
  • Is water a good insulator for electrical systems?
  • Is water an organic or inorganic material?
  • Is water being found in three forms on earth (water, Ice and steam) a 1)chemical or 2)physical fact?
  • Is water good if it is high in alkalinity?
  • Is water still neutral at 62 degree celsius? The pH of water is 7.0 at 25 degree celsius but 6.5 at 62 degree
  • Is zinc oxide is just the same as zinc powder?
  • Isn't candle wax (C25 H52) polar because it has electronegativities of 2.5 and 2.1 respectively.?
  • Isn't it true that Kryptonite was discovered some years ago, and been on the periodic table since @ least 1982
  • Isolation of alpha-lactalbumin from milk... why is reprecipitation necessary?
  • Isomerism ?
  • Isopropyl and pH?
  • Isotopes of sodium list?
  • Isotopic Abundance ( formula in the book does not work)?
  • Issues with Dalton's atomic theory?
  • It is ture that all noble gases will not participate in chemical reaction?
  • It took 115. mL of 0.244 M NaOH (aq) to reach the equivalence point in a titration with H2CO3 (aq).?
  • It's abt copper...pls help?
  • ITS AN EMERGENCY DOES anyone know what red dust chemical the firedepartment uses to soak up gas, I mistakenly?
  • Its known that all atoms and molecules has a cotinual motion.how ?
  • It's possible to harvest spider silk to produce cloth?
  • IUPAC names?
  • IUPAC names???
  • IUPAC naming for organic chemistry?
  • Ive done a clock reaction and plotted my results on a graph of log time in seconds against log of volume of?
  • I've got a complicated Chemistry problem here, can anyone solve it?
  • I've got a complicated Chemistry problem here, can anyone solve it?
  • I've got a complicated Chemistry problem here, can anyone solve it?
  • I've tried this stoichiometry problem several times and I keep getting 328.1, and its wrong! Please help!?
  • Iwant to do project work in Bio chemistry.what should i do?
  • Janet periodic Table?
  • Janet Periodic Table?
  • Jet engine emission?
  • Just 2 calorimetric questions helps plz, showing calculation wud be nice!!?
  • Just a few chemistry questions?
  • Just when i thought i was done with my chem homework...?
  • Just wondering about a basic chemistry question?
  • K2O AND KCl are 2 compounds. Oxygen accepts 2 electrons. How many electrons do Cl gain or lose to be stable?
  • KCl conducts when in the liquid state (molten) but does not conduct as a solid. Why?
  • Ketone and glycol in the presence of hcl react to give??
  • KHC8H4O4 (aq) + NH3 (aq) ?
  • KHCO3 + HCl ---> KCl +H20 +CO2?
  • KI + NaNO2 - why does the solution turn yellow?
  • KI +NH4OH =?
  • Kiinds of natrium(na2b407-10h2o)?
  • Kinda stupid question ...?
  • Kindly give a list of all the photochemical compounds!!!?
  • Kinetic energy question?
  • Kinetics HW Question?
  • KNO3 + BaCl2 --> Ba(NO3)2 + KCl?
  • KNO3 + NaCl in solution??
  • Know any Forensic Scientist???
  • Know do you know which ions will undergo hydrolysis and which will not?
  • Know much about chromatography anyone?
  • Ksp Problem?
  • Ksp Question. Need fast help! Please!?
  • Ksp Question?
  • Ksp Question?
  • Ksp Question?
  • Ksp, and L' Chatlier's Principle?
  • Kw for water?
  • Lab test for water ( not the boiling point plzz )?
  • Label each if the following as an alkane,alkene,aromatic, or alkyne?
  • LABSA VS SODIUM SALT REACTION illustration ?
  • Last chem question! Pleaseee help!?
  • Latent heat and phase changes?
  • Lattice energy for LiF(s)?
  • Law of partial pressures?
  • Law of Partial pressures?
  • Le chatelier's principle?
  • Le Chatelier's Principle?
  • Lead [element]?
  • Lead in drinking water question?
  • Least soluble in which of these?
  • Leblanc Process...question:...can't solve...confuzed...?
  • LET'S SEE IF YOU CAN ANSWER THIS? AP Chem Problem?
  • Lewis acid-base model.?
  • Lewis Dot Structures help?
  • Lewis Dot Structures help?
  • Lewis structure?
  • Lewis Structures?
  • Lewis structures???
  • Lewis theory for - A compound between F and Ca?
  • Li2CO3 and Li2SO4 are used to treat depression.. what is the percent of lithium by mass? and which is better?
  • Ligh waves?
  • Limestone on acidity?
  • Limewater reaction?
  • Limitations of volumetric analysis?
  • Limiting Reactant Problem!?
  • Limiting reactant?
  • Limiting Reagent and Gas Stoichiometry... Ok so chem is my weak subject! Help!?
  • Limiting reagents?
  • Limiting Stoichiometry--PLEASE HELP!!!?
  • Liquid crystals?
  • Liquid nitrogen?
  • Liquid water has its maximum density at the temp .917C. The boiing temp of water is raised above 100C by _____
  • Liquor replaces the oxygen in the blood, therefore making you feel "lightheaded" right?
  • List 2 ways to mantain water quality in a watershed system?
  • List 3 useful chemicals that are made from naphtha stating the uses to which they are put?
  • List 50 organic nd inorganic compounds of nitrogen with thier formulas?
  • List 6 precautions to be followed when using the centrifuge.?
  • List down various materials of which the parts are made of the smoke detercor?
  • List many ways?
  • List of buffer ranges?
  • List of chloroprene reactions?
  • List of Plastic Packaging Materials...?
  • List some changes that could be made to decrease any error in measuring heat of fusion in ice?
  • List the following attractive forces in order of increasing strength:?
  • List the following from strongest to weakest acid. HClO2, H2O, NH4+, HClO4.?
  • List the intermolecular forces operating in each of the following liquids.?
  • List the organisms at each tropic level, and explain why they are found in that level?
  • List three ways to speed the process of a solute dissolving in a solvent?
  • List two compound types of neutral solution?
  • Lithium metal is burned in air?
  • Log4 4^5 The four is the base?
  • Lone pairs of e- on nitrogen in NF3?
  • Longest wavelength of radiation?
  • Look at this!!?
  • Look below?
  • Look below?
  • Look below?
  • Looking at at elements Zn and Cu, or Ag and Cu, how do I decide which will undergo oxd or reduction.?
  • Looking for a Chemistry Wiz, please help?
  • Low fat cheese?
  • Lowering pH with CO2 bubbling in phosphate buffered saline (pH 7.4)?
  • Lsd ingredients?
  • Magnesium fluoride...?
  • Magnesium ions carry 2+ charge, and chloride ions carry a 1- charge.?
  • Magnesium metal reacts with iron sulphate solution. name the prodcts of the reaction?
  • Magnesium nitride reacts with liquid water to produce solid magnesium hydroxide and NH3.?
  • Magnesium.hmmm?
  • MAGNESUIM...help?
  • Main difference between radical and Ion.?
  • Make molecular orbital diagrame of O2?
  • Making soap the old fashioned way!?
  • Manganese (II) nitrate solution is mixed with sodium hydroxide?
  • Manganese can be found in many oxidation states. Which of the following is the strongest oxidant?
  • Manganese history?
  • Manometer question?
  • Many metals react with halogens to give metal halides, for example?
  • Many metals react with halogens to give metal halides.?
  • Many metals react with halogens to give metals halides. For example: 2Al(s)+3Cl2(g)>>>2AlCl3(s)?
  • Mass of a molecule help please!!?
  • Mass of Anhydrous solution How would I do this problem?
  • Mass of compound?
  • Mass of Copper when you are given molar mase and moles?
  • Mass of manganese present?
  • Mass of Oxygen produced - 10 points for correct procedure?


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