Chemistry Questions and Answers

  • May i know how to experiment out which brands of apples is sweeter and sour?without tasting it?
  • Measure rate of enzymic browing for banana using UV/V?
  • Measuring the alcohol concentration of pre-made wine?
  • Mechanical Mixture, Compound, Solution, or Element?
  • Mechanism for cholesterol synthesis?
  • Melting of wax is a physical thing?
  • Melting point of several items, please help?
  • Melting points of ionic and covalent compounds..?
  • Metal that turns Gold color when put in water?
  • Methane gas?
  • Methanol and sulfuric acid?
  • Method for production of silver chloride powder?
  • Method for production of silver chloride powder?
  • Mg3N2 +6H2O- 3Mg(OH)2 + 2NH3-- How many grams of H2O are needed to produce 150g of Mg(OH)2?
  • Microscope?
  • Mix up?????????????
  • Mixture problem! HELPHELPHELP!?
  • Molality anyone?
  • Molality of 18M sulphuric acid(density=1.8grams per ml)is??
  • Molar concentration from titration value?
  • Molar Concentration: Gas Laws?
  • Molarity of a solution?
  • Molarity of acids?
  • Molarity of solutions?
  • Molarity problem using specific gravity?
  • Molarity Problem?
  • Mole Fraction Question!?
  • Mole qn...?
  • Molecular Formula vs. Empirical Formula?
  • Molecular structure of APDC?
  • Molecular structure of C2H4?
  • Molecular weight of a volatile compound (part 3)?
  • Molten sodium bromide.?
  • Monoprotic acid?
  • Monoprotic acid?
  • More basic chemistry help.?
  • Mosquito repellent DEET is synthesized from what?
  • Most prescription drugs are organic molecules?? True or false?
  • Multi-Colored Lighters?
  • Multiple choice need help plz?
  • My car can't start after it has been left, without being used, for one month,why is this happen?
  • My chemistry teacher metioned there was a table?
  • My gold rings turning into silver?
  • My nail is on fire how do i put out the flame ?
  • My pimpols?
  • My thermometer broke and the mercury leaked out, how do I clean it up?
  • NaCl concentration in 1.0 liter of seawater?
  • Name 8 chemical based compounds used in our homes?
  • Name a compound which has both an ionic and covalent bond.?
  • Name acid listed on vinegar bottle?
  • Name all the tools used to cut diamonds.?
  • Name of compound ni(Co)4?
  • Name of Fuel? Seed?
  • Name one way of controlling fire?
  • Name one way to prevent fire?
  • Name or provide a formula for the following..?
  • Name substances "P", "Q" &"R".?
  • Name the common acid HCL which is in your stomach and is used to clean mortar off of newly laid bricks is...?
  • Name the constituents of steel and stainless steel?
  • Name the reagents and conditions to convert benzene into: -?
  • Name the three factors that affect the solubility of a solute in a solvent?
  • Naming organic compounds and binary salts?
  • Naming oxoacids?
  • Naming Polyatomic Ions - Help!?
  • Natural gas contains 84% CH4, 10% CH6, 3% C3H8, 3% N2...?
  • Need an experiment idea?
  • Need Chem Help! Relates to finding molar concentration given Ksp!?
  • Need chem help.drawing figures?
  • Need help finding the products of the reaction between nitric acid and aqueous ammonia...?
  • Need help in chemistry !?
  • Need help in orgo;?
  • Need help on this problem??
  • Need help please! chemical name & formula?
  • Need help plzzzzz urgentlyy!!v if u love chemistry help mee!?
  • Need help solving a chemistry totration prob.?
  • Need help solving Chem problem?
  • Need help with AP chem...graphite density...?
  • Need help! For EH3 compound, E is 90% in weight. What could be the compound molecular formulae?
  • Need help.?
  • Need some help?
  • Need thermite?
  • Need to give a presentation on Electron Affinity - need some help?
  • NEEED HELP A.S.AP!! WEAK TEA IS AN EXAMPLE OF? please help!?
  • Nernst Eq. - Sign Of Ecell Changes For Various Cell Changes?
  • Nernst Equation Applied to Half-Reactions?
  • Nernst Equation Question?
  • Nerolin is it an alcohol, ester, ether or ketone?
  • New methods for use of waste materials?
  • Nickel plated surface became greenish. What's the root cause ?
  • NiCl2 with a weight of 0.235 grams is heated to drive off the water leaving a weight of .235 formula of hyd?
  • Nitrogen reacts with oxygen to form two compounds. Compound A?
  • Nitrogen, oxygen, argon & carbon diaxide are? {multiple choice}?
  • Nitrogen, oxygen, argon & carbon diaxide are? {multiple choice}?
  • Nomenclature of covalent and ionic compounds?
  • Nonpolymer that can stick to wax when dissolved in water?
  • Not good with math or chemistry. Help with moles please.?
  • Nuclear decay?
  • Nucleation?
  • Nucleophilic Medium Reagents?
  • Nucleophilicity of Water?
  • Nucleus contains protons if so..they are positively charged so the atom must have disintegrated and burst out?
  • Nylon, polyester, and most other plastics are carbon compounds...true or flase?
  • O3 is heavier than air, then also, it is at the top of all layers. why??
  • O3(g) + NO(g) > NO2(g) + O2(g). Delta H = -199kJ and delta S = -4.1J/k, calculate delta G at 25C.?
  • OCHEM HOMEWORK! What is an equation for the reaction of tertiary-butyl alcohol with the lucas reagent?
  • Of the following household chemicals, which ones would be soluble, or insoluble?
  • Oh boy, how do you balance this equation?
  • Oil and food dye?
  • Ok guys, this is a tough one- what are the positive effects of ionizing radiation?
  • OK I have one more question on writing a balanced equation?
  • Ok my last Sodium acetate question?
  • Ok on an assignment I have to tell how something is a strong or weak base/acid?
  • Ok so colour is affected by light...why are there different colours for the same materials then?
  • Ok so I have a Chemistry make up exam tomorrowso..?
  • Ok, perhaps a more challenging Chemistry question... this one has stumped me for 4 days now.?
  • On a bottle of HCl at the job I just started it says 1.0N. What does the N stand for?
  • On a piece of Gold Jewellery what does CL&S in the hallmark mean please?
  • On mythbusters what was the silver explosives they used to make the pants explode?
  • On rare occasions, oxidation numbers do not have to be whole numbers. Determine the oxidation number for ..?
  • On the backbone of a polypeptide chain what is the functional group called with the double bonded oxygen?
  • On the basis of solubility, how will you distinguish benzyl amine from benzyl alcohol?
  • On the basis of solubility, how will you distinguish ethanal from hydroxyethanal?
  • One german technical sentence...?
  • One liter of a certain gas at STP weighs 2.7 grams. What is the molar mass of the gas?
  • One of the reactions that occurs in a blast furnace (where iron core is converted into cast iron) is that iron
  • Online Chemical Reactions?
  • Online chemistry guide?
  • Orbital notation, electron configuration, and lewis dot structure for Calcium, Arsenic, Fluoride(f1-), and Mg2
  • Order each of the following sets of five ions according to increasing size.?
  • Order of Reaction?
  • Organic chem acids prob?
  • Organic chem help!?
  • Organic chem prob please help!?
  • Organic Chem prob, please help!?
  • Organic chem prob?
  • Organic chem prob?
  • Organic chem problem?
  • Organic Chem Questions?
  • Organic Chem Stuff?
  • Organic Chemistry Catching Up?
  • Organic chemistry prob?
  • Organic chemistry problem?
  • Organic Chemistry! What are the equations for the reaction of 2,4 dinitrophenylhydrazine with.?
  • Organic Chemistry!?
  • Organic chemistry?
  • Organic chemistry? Writing reactions with Bromine and hydrocrabons?
  • Organic Chemistry-drawing structures?
  • Organic chemsitry question?
  • Organic compounds are always highly water soluble and flammable? True or false.?
  • Organic help!!?
  • Organic reaction?
  • Other than united nuclear, where can I get some Nichrome wire?
  • Outrage as Churchill dropped from England's history syllabus?
  • Oxalic acid (H2C2O4) reacts with the oxidizing agent KMnO4 according to the following reaction:?
  • Oxidation numbers?
  • Oxidation Reduction Reaction! HELP PLZ!!?
  • Oxidation/Reduction Question?
  • Paper chromatography question?
  • Partial Pressure Question!! HELP!?
  • Peanut butter?
  • Pectin from apples is fiber and paper is made from fibers... does it mean i can make paper from apples?
  • Percent Ca as CaO?
  • Percent yield weird problem?
  • Percentage of??
  • Percentage question?
  • Perflourobenzene?
  • Perform the following conversions?
  • Periodic Table anyone.......?
  • Periodic table challenge?
  • Periodic Table?
  • PET plastic what is industial name for?
  • PH of NaOH in 2.0L?
  • PH of solution?
  • PH question!?
  • Phenol + Calciumhydroxide?
  • Phenol, C6H5OH is a weak organic acid:?
  • Photoelectric Effect?
  • Physical and chemical changes.?
  • Physical and Chemical changes?
  • Physical Chemistry!!!!?
  • Physical chemistry?
  • Physical chemistry?
  • Physical or chemical change?
  • Physical or chemical change?
  • Physical or Chemical change?
  • Plastic is made using crude oil can plant oils be used instead?
  • Please , it is an emergency please help i need help?
  • PLeASE ANSWER ThiS?
  • Please balance the redox equation in basic solution:Fe(OH)2 + O2 --- Fe(OH)3(s)?
  • Please calculate the equivalent weight if SO2 in the following reactions:?
  • Please calculate the f2 value for given dissolution profile?
  • Please can i get a detailed and comprehensive report on how Bentonite is processed for use in the oil industry
  • Please classify the following substances into compounds or mixtures?
  • Please explain the cathode ray tubes experiment by JJ hompson in which he discovered electrons. Please help me
  • Please explain the process leading to the breakdown of coconut milk emulsion and separation of oil from water?
  • Please explain what is equivalence and equivalent weight and how to find it out.Please please help me.?
  • Please explain what the vetting procedure is?
  • Please give me 5 uses of bleaching powder please fast if you are not able to give than suggest me a site?
  • Please give me a basic difinition for acids and bases?
  • Please give me examples for these reactions:?


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