Chemistry Questions and Answers

  • How would you balance Fe304+CO====>CO2+Fe?
  • How would you balance this equation: C3H8+O2==>CO2+H2O?
  • How would you balance this equation?
  • How would you calculate the extinction coefficient for NADH at 260 nm?
  • How would you calculate these problems with the given information?
  • How would you determine the molecular weight (molar mass) from the titration of an acid with a base?
  • How would you do the following chemistry problem?
  • How would you go about making 100 ml solution of 0.1 M NaCl?
  • How would you investigate the oxidising strengths of a group of oxidising agents relative to one another?
  • How would you keep an insoluble hydroxide from forming?
  • How would you melt plasitc to liquid so that it can be reformed?
  • How would you predict the ph 0.001M acetic acid?
  • How would you prepare 2.00 grams of precipitate by reacting barium chloride trihydrate with silver nitrate?
  • How would you rank these from lowest boiling point to highest?
  • How would you relate the pressure of H20to the pressure of Hg?
  • How would you separate a solution containing Cu and Ag ions?
  • How would you separate toluene, benzoic acid, and aniline by an extraction procedure?
  • How would you set up this problem?
  • How would you synthesize a cyclotetrahexane (14 carbon ring)?
  • How would you synthesize cyclotetradecanone?
  • How would you write a balanced equation for this: Magnesium + Chlorine -> Magnesium Chloride?
  • How you would prepare one liter of an acetate buffer with a total concentration of acetate?
  • How/Why does water...?
  • HPLC in caffeine analysis?
  • HPLC method development inquiry ?
  • HPLC method development inquiry ?
  • Humidity is a measure of amount of water vapor in the atmosphere. Why is humidity always very low inside your?
  • Humidity is a measure of amount of water vapor in the atmosphere. Why is humidity always very low inside your?
  • Hurryyyyyyyy..?
  • HW HELP, I've tried everything and cant get these...?
  • Hybridization?
  • Hydrated crystals lab, need help with questions?
  • Hydroboration of an alkene?
  • Hydrocarbon and stereoisomerism?
  • Hydrocarbon contains 92.3 % C ,Its formula mass= 78 what is the empirical formula and molrculer formula for it
  • Hydrochloric acid neutralized by barium hydroxide?
  • Hydrochloric acid question?
  • Hydrogen Car...hmmm?
  • Hydrogen cyanide?
  • Hydrogen Fuel Cell - getting oxygen?
  • Hydrogen Metal is it possible?
  • Hydrogen metal or nonmetal?
  • Hydrogen peroxide chemistry help?
  • Hydrogen Peroxide Muffler?
  • Hydrogen peroxide solutions are 3% by mass concentration. Calculate the molar concentration of a 3% H2O2 soln
  • Hydrogen peroxide, H2O2, decomposes to produce water and oxyen gas. The balanced equation for this reaction is
  • Hydrogen, nitrogen, and oxygen combine in the following amounts to form a compound:?
  • Hydrogen, oxygen, and nitrogen are all diatomic molecules. how many bonds are formed between the 2 atoms of...
  • Hydrogenation of the carbon-carbon double bond occurs when and alkene reacts with what?
  • Hydrolysis is cthe reverse of neutraliztion right so ...?
  • Hydrolysis of gamma butyrolactone?
  • Hydrolysis?
  • Hydroxide concentrationin an aqueous solution?
  • Hydroxyapatite is a form of apatite, and there are also fluoroapatite and chloroapatite. Which is the hardest?
  • Hydroysis of lactose - help!?
  • I added more FeCl3 to a FeCl3 and 3KSCN mixture and it turned darker red what direction did equilibrium shift?
  • I added more FeCl3 to a FeCl3 and 3KSCN mixture and it turned darker red what direction did equilibrium shift?
  • I am a beginner in Chemistry & need help in balancing equations.Can someone plz tell me the steps?
  • I Am aCZ Student and i want to know the scope after T.Y. B.Sc ( Chemistry).?
  • I am basically chemistry student but didnt well in chemistry so i want to know about th knowledge of chmistry?
  • I am doing a project on palladium (the element), and I need to build an atomic structure of it. Help please?
  • I am doing an article summary for chemistry class?
  • I am doing some chemestry homework can anyone help me with the fallowing questions.?
  • I am having trouble with a chemistry question I don't know where to start QUestion below?
  • I am heating up my house with methane. Dimensions of my house are the area of the floor is 275m2, the height?
  • I am looking for a chemist that deals with precious metal recovery out of waste material?
  • I am looking for a periodic table of the elements with pictures of each element. Preferrably on-line. Thanks
  • I am Looking for a project on polymers?
  • I am looking for the ideal distance or rather seperation between wires to generate O3?
  • I am not sure if i did these right..: chemical formulass for these compounds?
  • I am planning on synthesizing Fluoroantimonic acid. Where can i find Inexpensive teflon equipment at?
  • I am thinking of melting tin. Is there anything I should know?
  • I am working on the Mole Concept. How do you calculate molecules to grams?
  • I am writing a paper about Chinese development can you give me some tips?
  • I cant figure out this, plz help...?
  • I cant figure this out.?
  • I cant figure this out?
  • I can't find the answer for this science question help...?
  • I cant find the density of platinum please help?
  • I cant get the right answer?
  • I cant get the right answer?
  • I can't imagine doing something I don't like with excitement! somebody help!!!?
  • I cracked a 6 hour glow stick exactly 8 days ago and its still glowing..why?
  • I dont know how to do this or get the right answer?
  • I dont understand E = mc虏?
  • I don't understand how to calculate partial pressure?
  • I don't understand ionic and covalent bonds, or polyatomic ions?
  • I dropped a gallon of Chloroform could this cause brain damage?
  • I forgot the chemical what was it?
  • I found 3 minions in my catacombs?
  • I get stuck on how to find moles, how do i do it?
  • I got a lot of questions for you!!!?
  • I got the wrong answer please check?
  • I have 2.34 ml of KOH and i want to convert it to micromoles, how do u obtain micromoles? thanx?
  • I have 3 chemistry questions that I can not figure out?
  • I have a 20mM KOH solution and i want to find the amount in micromoles in 3.06mL?
  • I have a bottle of Phenolphthalein indicator and another bottle of Lye. What can I do?
  • I have a chemistry question?
  • I have a factory that creates new lighters. How can I make a torch lighter flame midnight black?
  • I have a Gen. Chem II Question about Titration. . .can anyone help?
  • I have a lighter factory in China. I want to produce a lighter with different color torch flames.?
  • I have a problem in pharmacology?
  • I have a project: design and paint a celing tile that reflects a concept in chemistry , give me some ideas thx
  • I have a question even my science teacher could not answer so could u??
  • I have a question on chemistry.?
  • I have a simple question problem relating to gases?
  • I have a solution with 0.59 g/l of HF - how many ppm is in one gallon?
  • I have a tank of petroleum, chlorine, and sodium - what happens if I mix them together?
  • I have ADHD. My doctor has called it a chemical imbalance.?
  • I have an unusual query to all in chemistry/medicine field?
  • I have done Postgraduation in Biochemistry and looking for an opening.How to find opening and what's field ?
  • I have Fe(NO3)3 (aq) in HNO3 solution. At the end I should have Fe(OH)3, how would you write this equation?
  • I have Fe(NO3)3 (aq), can this form the precipitate Fe(OH)3? With H20 added or without?
  • I have never been taught this in my chemistry class so please show me how to solve the following:?
  • I have no clue???predict&balance??? double,single,combustion,decomposition,synthesis??? please help?
  • I have no idea what to do for this chemistry problem?
  • I have some questions about the element lithium, can anyone help me?
  • I have some questions?
  • I have the mini Ionic Breeze, what is the difference between PX and PXO1?
  • I have to do a mercury element project. any ideas?
  • I have two questions?
  • I heated container 1 and did not heat container 2 could i get the pressure in container 1 to equal container 2
  • I just did a titration chemistry lab and i need to know if i did the math right. thanks?
  • I just have two chemistry questions 1 is multiple choice and 1 is true or false. Please no guessing.?
  • I keep finding the wrong answer please help!?
  • I keep getting it wrong?
  • I keep getting the wrong answer?
  • I keep getting way to large answers with the free energy question. help?
  • I keep hearing about Mentos mints and coke. Whats it all about? Is it safe? How do you do it?
  • I know electrolysis can split water into hydrogen and oxygen gas, but does anyone know the reverse process?
  • I know electrolysis can split water into hydrogen and oxygen gas, but does anyone know the reverse process?
  • I like to work in the field of pools chemicals, How i can manufacture the chlorine tablets in my home ?
  • I lost my chemistry book!!!! I need a website that has Holt's modern chemistry book...?
  • I luv chem but i need help?
  • I meant what makes up francium?
  • I need help with chemistry?
  • I need 3 physical and chemical changes!!! that must relate to either life or earth science!!?
  • I need 30 examples of oxidation and reduction of people's daily activities.?
  • I need a balanced equation for complete combustion of the following hydrocarbons: Please...Thank you:)?
  • I need a balanced equation for the chemical reaction that occurs between zince and hydrochloric acid - Thanks!
  • I need a balanced equation for the decomposition of hydrogen peroxide to oxygen gas and water - help!?
  • I need a chemistry answer to" Why must you never smoke or cause a spark near a patient in an oxygen tent?
  • I need a combustion reaction that is also a combination reaction!!!?
  • I need a name for a stuffed mole for chemistry?
  • I need a name for a stuffed mole for chemistry?
  • I need a name for a stuffed mole for chemistry?
  • I need a name for my science project!?
  • I need a ppt on madam curie.....her experiments & lot.?
  • I need a very good internetside about chemistery?
  • I need a web site that shows how to make solutions for chemistry.?
  • I need an archive of carbonates vs acid chloride!!! ex: CaCo3 + 2HCl = CaCl2 + H20 + Co2?
  • I need an example of an oxidation reaction, and which substance loses electrons?
  • I need an MSDS for cheesecloth?
  • I need eamcet question papers 4 chem,phy n math?
  • I need help about chemists!!!?
  • I need help answering some questions on my study guide.?
  • I need help balancing chemical equations?
  • I need help for my science homework!!! -Chemical Processes, This Lab homework is based on when i was gone home
  • I need help in finding the initial concentration of khp?
  • I need help in solving oxidation reduction solution for breathalyzer test?
  • I need help on 3 gas and pressure problems!?
  • I need help on chemistry?
  • I need help on my Stoichiometry homework!?
  • I need help on the lewis electron dot system...how would you show COCl2?
  • I need help on this...?
  • I need help w/ these chem questions about solids and crystals...?
  • I need help w/these 2 SIMPLE chemistry questions...?
  • I need help w/these 3 simple chemistry questions.??
  • I need help with a chem lab!!!!! PLEASE HELP!!!!!!!!!!?
  • I need help with a Chemistry problem. Please help? =(?
  • I need help with a few precipitation reactions please. Thanks!?
  • I need help with chemistry is there anyone online with a chem degree who can help me?
  • I need help with chemistry problems to help me with an exam can anyone with a chemistry major help me please?
  • I need help with chemistry! Provide Calculations, not just answers.?
  • I need help with Chemistry!!!?
  • I need help with chemistry, please help me?
  • I need help with completing and balancing each equation by predicting the products formed. Please help.?
  • I need help with my chemistry homework, can you help me?
  • I need help with my chemistry HW. it working w/ molecular geometry.please help!!?
  • I need help with parts per billion and million???
  • I need help with pH comparison, numbers of decimals, concentrations, mol/L, etc?
  • I need help with some chemistry homework?
  • I need help with some chemistry reactions.?
  • I need help with the following question: A bacterium obtains energy for growth by the oxidation of ethanol?
  • I need help with the science homwork, i have no clue what is even ph..?
  • I need help with this chemistry problem dealing with antifreeze.?
  • I need help with this chemistry problem?
  • I need help with this chemistry problem?
  • I need help with this chemistry problem?
  • I need help with this chemistry question. How do I calculate it?
  • I need Help with this reaction. CaCl2(l) + NaHCO3(l)?
  • I need help with thse 4 questions about elements forming their ions?
  • I need help with two chem titration and neutralization questions?
  • I need help with writing formulas for these compounds:?
  • I need help!!!?
  • I need help!!?
  • I need help!?
  • I need help.. can you pls give me the formula, total ionic, and net ionic equation for:?
  • I need help.. can you pls give me the formula, total ionic, and net ionic equation for:?
  • I need help?


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