Chemistry Questions and Answers

  • Please give me good websites that have the outline for the Group II Cations??
  • Please help calculate mass of precipate of 3.1 x 10^-10 M Pb... in 7.0 x 10^-4 M Cl?
  • Please Help Chemistry Question?
  • Please help me direct variation and proportion?
  • Please help me to find out the percent composition of...?
  • Please help me with a Chemistry problem?
  • Please Help Me With My Organic Chemistry!!!?
  • Please Help Me with Organic Chemistry?
  • Please Help Me with Organic Chemistry?
  • Please Help Me with Organic Chemistry?
  • Please help me with this titration problem! =)?
  • Please help me.. our science teacher told us to think of a investigatory project... Someone please give ideas?
  • Please help me?
  • Please Help Me?
  • Please help with titration prob.?
  • Please help! Calculate pH value of 50.0 mL 0.1M ammonia with 0.2 M HCl?
  • PLEASE HELP! Chemistry question!?
  • PLEASE HELP! clausius-clapeyron equation question?
  • Please help! How many significant figures are in each?
  • Please help!!!Calculate ksp for PbCl2 ...?
  • Please Help!?
  • Please help. From fig 1a how was the level of enzyme activity determined?
  • Please help..thermodynamics question?
  • Please help: Write out the balanced equation for the reaction of these elements with oxygen.?
  • Please i need help with chemistry?
  • PlEASE I NEED URGENT HELP in answereing those questions?
  • Please it is very urgent how do i avoid water seepage?
  • Please list atleast 10 substances that can dissolve in water?
  • Please predict whether each of the following bonds is ionic, polar covalent, or nonpolar covalent?
  • Please show work?
  • Please someone tell me what is Beer -Lambert Law?
  • Please state the # of electrons that must be lost by atoms of each elements to aquire a noble gas?
  • Please suggest some topics for my project BSC Chemistry in nutrition field?
  • Please tell me everything you can about N2O?
  • Please tell me everything you can about NOH?
  • Please!! Help me..Calculate the PH of a solution containing 0.135 M formnic acid (HCO2H)...?
  • Please, help me!i'm from Ukraine! Can you tell me how to read chemical formulas and compounds in English?
  • Please, tell me if this is correct?
  • Pls can u give me the list of d-amino acids and l-amino acids...?
  • Pls convert 45 ml to cm^3... pls show your solution?
  • Pls give laboratory apparatus & their uses?
  • Pls help me answer this questions..ty:)?
  • Pls help me with these chemistry problems?
  • Pls help to solve this chemistry equation 20a+15b=1.4 & 8a+6.22b=0.573?
  • Plz help - org. chem lab...?!!?
  • Plz help me with this??? matching words?
  • Plz Help!!?
  • Plzzzzzzz help plz?
  • Polar or nonpolar? why?
  • Polarity of Molecules?
  • Pollutants in the air and their sources.adverse effects of pollutants on health and buildings.?
  • Polymer Chemicals harmful?
  • Polymer chemistry question?
  • Polymerization of Triglycerides?
  • Polynomial equation y = -0.0004x2 + 0.0298x + 0.274. how to make the equation to find x?
  • Polyproctic acids and slats what do they do?
  • Possible tutor?
  • Potassium hydrogen tartrate is an acid that is used in making cookies such as snicker doodles...?
  • Ppm question. Is this right?
  • Precipitation??
  • Predict the number of valence electrons for a sulfur atom?
  • Prep. of nitrobenzene - lets say temp used is about 55 degrees c, what other produts would form if higher temp
  • Preparation of phosphate buffers?
  • Principals of radio immunoarrogy(CIA),role of analytical chem,classification of analytical methods?
  • Processes that require energy & that release energy?
  • Product that contain lecithin as one of its ingredients. why is lecithin used in some food products?
  • Production of cyclohexane?
  • Products & Equation Balancing?
  • Properties of acidity/alkalinity of toothpaste??
  • Propose ethyne to 2-butanone?
  • Protease inhibitors, which one to use?
  • Proteins. . . ?
  • Protons and electrons?
  • Prove that the burning takes place within the fire? by using?
  • Prove that the wick passess through the candle?
  • Pure chemistry, applied chemistry, or both?
  • Pure chemistry, applied chemistry, or both?
  • Pure substance or mixture??
  • Pure water is a very poor conductor of electricity but a dilute solution of ammonia in water is a better one?
  • Purification of BaSO4?
  • Pv=nRT how do you slove for T?
  • Q1xc1=q2xc2 pharmacy calculations help?
  • Qualitative chemistry problem?
  • Quantitative Inorganic Analysis Questions...?
  • Quantitative question... please guide me on how to solve this problem.?
  • Quantum Atomic Model: Quantum numbers, Subshells and Orbitals?
  • Quantum mechanical model?
  • Ques-How does a gas lighter work?
  • Quesiton concerning Hybridization?
  • Question - Theoritical and Percent Yield?
  • Question about acid names?
  • Question about boiling point change when there is a pressure change?
  • Question about buffer capacity?
  • Question about buffer capacity?
  • Question about Chem?
  • Question about chemical bonding?
  • Question about chloride ions and resistivity...?
  • Question about composition of some substances?
  • Question about conductivity?
  • Question about creating chlorine from salt and water.?
  • Question about crystal lattices.?
  • Question about DIFFUSION OF GASES AND GRAHAM'S LAW?
  • Question about DIFFUSION OF GASES AND GRAHAM'S LAW?
  • Question about elements, compounds & mixtures?
  • Question about energy?
  • Question about free energy?
  • Question about friedel-crafts reactions?
  • Question about laboratory tools...pls!?
  • Question about mixing solutions?
  • Question about pH...?
  • Question about sequence of chemical reactions : Cu(s)->Cu2+(aq)->Cu(OH)2(S)->CuO(s)->Cu2+(aq)->Cu(s) ?
  • Question about unit cell measurements?
  • Question about unit cells in minerals?
  • Question concerning Lewis Diagrams, Hybridization, Molecular structure.?
  • Question...?
  • Question..?
  • Questions about TITRATION?
  • Quick Chemistry question?
  • Quick question about adding electrons w/ electrochemistry?
  • Quick questions regarding flame test. Answers needed ASAP.?
  • Quick! Chemistry help!?
  • Quick, is carbon a metal?
  • Radioactive dacay and mathmatics?
  • Radium-226 has a half-life of 1.62 x 10 tho the power of 3 years.?
  • Random.................?
  • Rank the top three most efficient fuels?
  • Rate Law?
  • Rate me on a scale of 1 to 100?
  • Rate of dissolution of HCl with Mg under normal conditions: graph..PLZ PLZ PLZ PLZ HELP?
  • Rate of Reaction Economically?
  • Rate of reactions?
  • Ratio help?
  • Re melting plastic is not a good reason were to get the resin and how to mix it?
  • Reaction between schiff's base and D-glucose.?
  • Reaction equilibrium?
  • Reaction of sodium hydroxide with sugars?
  • Reaction Rates Helppp?
  • Reaction Rates?
  • Reaction result Al2(SO4)3+C4H10O --> ?
  • Reaction stoichiometry?
  • Reactions with salt, vinegar, and mercury?
  • Reactive Metal Fires?
  • Reasons why a recrystallization process would not give a yield of 100%?
  • Recent chemistry-related articles?
  • Red onions turned green?
  • Redox Reaction?
  • Redox Reactions?
  • Redox Reactions?
  • Redox Reactions?
  • Reducing / Oxidizing Property?
  • Reducing Oxidation Number?
  • Reduction of Benzophenone using sodium borohydride?
  • Refractive Index?
  • Refractive Index?
  • Relate the chemical structure of DNA to how it looks when lots of it is clumped together?
  • Relate the reactivity of the metals and nonmetals to their positions in the periodic table?
  • Relevant but Long, Hard Lab Questions Heat of Acid-Base Neutralization (part 2)?
  • Relevant but Long, Hard Lab Questions Heat of Acid-Base Neutralization?
  • Relevant long, hard lab questions dealing with acid-base neutralization (part 3)?
  • Remove silver tarnish?
  • Removing zinc layer from iron?
  • Replacement of acetic anhydride in non-aqueous titration?
  • Research.silicon chips!!?
  • Reverse Osmosis Unit setup?
  • Reverse Osmosis?
  • Rocket Fuel (Hydrazine)?
  • Role of analytical chem?classification of analytical methods?
  • Rubbing alcohol is 70.% isopropyl alcohol by volume. How many mL of isopropyl alcohol are in a 1 pint (473 mL)
  • Rxn of potassium chloride with bromine water? what are the products?
  • Safe max temperature range for heating various borosilicate glassware?
  • Safety Matchbox & Matchsticks?
  • Salt and acid question?
  • Salt bridge/ electrochemical series question?
  • Saturated vs Unsaturated Fats?
  • Science chemistry question on "rare elements"?
  • Science doubt?
  • Science doubt?
  • Science doubt? plz answer this Q (esp Mr. sci teacher) (its an addition to the previous one)?
  • Science Experiment Research Assistance?
  • Science Experiment?
  • Science fair help please?
  • Science help needed.?
  • Science q??? -help?
  • Science question.Help!?
  • SCIENCE questions?
  • Science...nitrogen?
  • Scientific Notation?
  • Sea water and Gatorade?
  • Sec 3 Chemical equation problem?
  • Second Year Chem. pH problem?
  • See the details for my question ..?
  • SeF4 - polar or nonpolar and why?
  • Select all the miscible pairs from the following liquids?
  • Select the most appropriate solvent for the following solutes:?
  • Separating 2 solids compounds?
  • Separating a mixture of salt and water?
  • Serious geology or biology,.. wutever this is PLEASE HELP?
  • Set of chemistry questions?
  • Should dihydrogen monoxide be banned?
  • Should I pull an "all-nighter" for this Orgo 2 test?


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