Chemistry Questions and Answers

  • Any biochemistry students/tutors available to help me. Willing to pay. See below.?
  • Any chemistry experts ....help me?
  • Any easy way???
  • Any exceptions for taste receptors?
  • Any good chemists(or people who can understand anything)?
  • Any ideas on a rate law chemistry question?
  • Any interesting facts & important uses for Boron? (element)?
  • Any one know about D.I.Y. simple any electroplating method?
  • Any person who is a chemical engineer or have knowledge in chemistry .pls help??
  • Any similarities and differences between the structure of an atom and the structure of our solar system?
  • Any website about how to carry out an experiment to find the lowest temperature to kill yeast.please?
  • Any website that teaches basic chemistry?
  • Any1 that takes adderal/desoxyn had UA be positiv?sent to lab to confirm& specify substance-show up as meth?
  • Anybody help me!!!!?
  • Anybody know the chemcial equation or formula of..?
  • Anybody that is good at chemestry plz!?
  • Anyone able to help?
  • Anyone good at chemistry?
  • Anyone good solving problems with the Gay-Lussac Law?
  • Anyone good with Chemistry gas problems?
  • Anyone good with synthesis?
  • Anyone having knowledge in chemistry ,, pls help....???
  • Anyone here a chem major? is it hard?
  • Anyone know a good site to plug in element\compounds for Balancing Equations?
  • Anyone know how to ionize and deionize water easily?
  • Anyone know how to make a homemade bomb? ( but not that dangerous..=)?
  • Anyone know of any good dissolution testing media (solutions)?
  • Anyone know the Ka for phosphate buffered saline?
  • Anyone knows charcoal in recrystallation?
  • Anyone knows how to find the products of this equation?
  • Anyone who has a chemistry degree but using it in the non traditional career field?
  • Anyone who is really good at chemistry please help!!!?
  • AP Chem #26?
  • AP Chem help with pH.?
  • AP Chem Question?
  • AP Chem questions.?
  • AP Chemistry Question: Free energy.?
  • AP Chemistry?
  • Apa effect blancing terhadap vitamin C?
  • Approximately what time was the element Antimony discovered?
  • Aquamarine?
  • Aqueous copper sulphate, carbon electrodes.?
  • Aqueous of sodium hydroxide contains1.19*10^-3 mol of NaOH in 26dm3of water,calculate[OH-],pOH,[H+],pH system?
  • Are all or some solids that combine with a definite amount of water when they crystallize from a solution?
  • Are bubbles flammable?
  • Are buckyballs named after..?
  • Are carbon points the new form of indulgences?
  • Are colloids clear or cloudy?
  • Are Compounds reactions more explosive then Mixtures?
  • Are electrons smaller than atoms? Why do scientists believe atoms to be the smallest unit (after quantums)?
  • Are ethers polar??
  • Are halogens more soluble in water or hexane?
  • Are horizontal rows on the periodic table are called groups?
  • Are hot air ballons different from blimps?
  • Are hydrogen bonds limitied to H and F,O,N, or Cl?
  • Are ionic Fluoride compounds generally soluble?
  • Are ions formed in distilled water?
  • Are lemon juice and house paint, homogeneous or heterogeneous?
  • Are lime and alum chemicals?
  • Are matches combustible?
  • Are our bones totally made of hydroxyapatite?
  • Are our farts made of Nitrogen?
  • Are reactions reversible?
  • Are substances water and ethanol alike in dissolving substances?
  • Are teflon pans bad for you if you only use plastic and wooden spatulas?
  • Are the chlorine atoms in [Co(NH3)3Cl3] isomers in equivalent environments?
  • Are the chlorine atoms in [Co(NH3)4Cl2] isomers in equivalent environments?
  • Are the following reactions exothermic?
  • Are their any people out in the world that will take $15-$30 a month to get online and answer any science?
  • Are there any allotropes for bismuth?
  • Are there any alternatives to sodium bicarbonate/baking soda in food use?
  • Are there any books about synthetic fragrance oil production?
  • Are there any good sites to find IR Spectrums of Compounds?
  • Are there any other dye magents besides the Woolite Sheets?
  • Are there any problems or concerns associated with sodium bicarbonate in food use?
  • Are there transfats in hydrogenated vegetable oils?
  • Are there variations in Carbon Dioxide?
  • Are these Atoms Isotopes?
  • Are These Flammable?
  • Are these Isotopes?
  • Are these statements Always True, Sometimes True, or Never True?
  • Are we goin to have a new form of periodic table?
  • Are you good at chemistry? please look here!!?
  • Arrange NCl3, NBr3, N(CH3)3 in order of increasing basicity.Explain the basis of arrangement.?
  • Arrange the elements(Mg, Fe,Cu,Ag,Zn,Al,Hg,Sn)in oder to increase chemical reaction?
  • Arrange the following as reducing agents, from strongest to weakest.?
  • Arrange the following in order of their increasing boiling points?
  • Arrange these compounds in order of increasing equilibrium constant for cyanohydrin formation?
  • Arrhenius and Bronsted-Lowry theories?
  • Artificial Blood (Advantage and Disadvantage)?
  • As a Chemist, do you believe there is such a thing as 'love at first sight' ?
  • As a crystalline solid dissolves, particles separate from the lattice-like arrangement of molecules/ions in?
  • As a lab tech. for a pharmaceutical company, you are responsible for preparing hot packs and cold packs. A hot
  • As a star ages, does the ratio of He atoms to H atoms in its composition become larger, smaller, or constant?
  • As altitude increases, air pressure decreases,increases or remains the same?
  • As an electron in an atom moves from the ground state to the excited state, the electron does what?
  • As the elements in group 17 of the periodic table are considered from top to bottom do they become more?
  • As the reaction progresses, concentration of reactants decreases and concentration of products increases.?
  • As the temperature of a solvent increases...?
  • As water solidifies it __ heat and ____ one-ninth in volume.Consequently ice has a density of about .917g/cm^3
  • ASAP! Help! Partial Pressure?
  • Aspirin - differentiating better from good?
  • Aspirin,paracetomol more soluble in alkaline water but codeine better into acidic water = easy separation.?
  • Assign an oxidation number to each atom in the following compound.?
  • Assign an oxidation number to each atom in the following compound.?
  • Assign an oxidation number to each atom in the following compound.?
  • Assign an oxidation number to each atom in the following compound.?
  • Associated colloids?
  • Assume that you use 1.00 ml of 2-chloro-2-methylpropane(t-BuCl). Calculate the following quantities.?
  • Assume the reaction of 42.56 g of Fe in the following reaction to determine the other quantities...?
  • Assuming that one product is iron (II) chloride, write a balanced equation for the reaction?
  • At 18 cents a kilowatt hour & at $ 2.52 a gal for propane; what's less expensive to use for cooking ?
  • At 430潞C Keq = 0.064 for the reaction of rust with hydrogen gas. Given the [H2] = 0.45 M, [H2O] = 0.37 M, and
  • At 740潞C, the equilibrium constant for the following reaction is 0.080. Given that [NH3] = 0.0596 M, [N2] = 0.
  • At a certain temperature Kc=0.18 for the equilibirum: PCl3 + Cl2 <------> PCl5?
  • At a certain temperature Kc=0.18 for the equilibirum: PCl3 + Cl2 <------> PCl5?
  • At a certain temperature the reaction: CO + H2O <----> CO2 + H2 has Kc = 0.400?
  • At STP a gas occupies 121 mL. How many milliliters will this gas occupy at - 52 C and 1.18 atm?
  • At stp, 7.0 grams of CO gas will occupy a volume of?
  • At the molecular level, how does soap clean?
  • At what temp. will .654 moles of neon gas occupy 12.3 liters a 1.95 atm?
  • At what temperature & pressure does these gases H2 and O2 mix to create H2O(water gas)?
  • At what temperature can ethanol be considered dangerous?
  • At what temperature does liquified animal fats start to re-solidify?
  • At what temperature does paper catch fire?
  • At what Temperature does the average home fire burn? Can any firefighters out there help me out on this one???
  • At what temperature gypsum is heated and it loses water molecules to form calcium sulphate hemihydrate?
  • At what temperature is a gas if 0.0851 mol of it is found in a 604mL vessel at 100.4kPa?
  • At which temp. would atoms of He..?
  • ATCG combinations?
  • Atom bombs, hydrogen bombs, neutron bombs...?
  • Atom question?
  • Atom Research...please help me!?
  • Atom?why don't protons attract electron inspite of having different charge?
  • Atomic mass of isotope?
  • Atomic no. of this element is 30.?
  • Atomic no. of this element is 50?
  • Atomic no. of this element is 9 and atomic weight is 19.?
  • Atomic orbital information needed.?
  • Atomic structure and quantum numbers?
  • Atomic Struture questions?
  • Atomic stuffses?
  • Atomic Theory in this equation???
  • Atomic, Nuclear, and Hydrogen Bombs. Which is worse?
  • Atoms and Chemistry...?
  • Atoms and energy levels?
  • Atoms question?
  • Atoms..?
  • Auxochromes icreases the conjugation,and therefore absorption increase;but why does the wave length increase ?
  • Auxochromes icreases the conjugation,and therefore absorption increase;but why does the wave length increase ?
  • Average atomic mass of O2 is 16.2 . U r given 2 isotopes of O2 -16 n 18 amu.So whats the % of O-18 in sample?
  • Averaqge Atomic Mass?
  • Avogadro's Law The molar volume of a Gas?
  • Azobenzene and organic dye?
  • Azo-dye commercial uses?
  • B(beta)-oxidation Question?
  • Bacteria in your mouth break down food to produce acid (HA), which is harmful to teeth.?
  • Bah. help with these calculations please?
  • Balance and Identify type of reaction.?
  • Balance chemical equation question???
  • Balance equation and identify type of reaction.?
  • Balance equation?
  • Balance Equations and Qc?
  • Balance equations?
  • Balance it;C2H5OHtoCO2 +H2O(ethanol to carbon dioxide&water)2.Give a type of reaction carbon dio as by-product
  • Balance Redox - equation?
  • Balance the equation NH3 + O2 ---> NO2 +H20?
  • Balance the equation?
  • Balance the equations!!! Please!!! Really simple!!!!!!?
  • Balance the following chemical equation AND classify the reaction type?
  • Balance the following chemical equations AND classify as to reaction type as above.?
  • Balance the following chemical equations AND classify the reaction type?
  • Balance the following chemical equations, they are acid base solutions, can you do it right???
  • Balance the following equation for the reaction in an acidic medium by the ion-electron method.?
  • Balance the following equation.?
  • Balance the following equations by the oxidation-reduction method?
  • Balance the following Equations?
  • Balance the following redox equations by the ion-electron method. (Use the lowest possible coefficients.)?
  • Balance the reaction by ion-electron method?
  • Balance the reaction HFO3(aq) + Al(OH)3(aq)?
  • Balance these equations?
  • Balance this chemical equation?
  • Balance this equation by ion electron method:?
  • Balance this equation NH3 + 02 --> NO + H20?
  • Balance this equation to make them equal?
  • Balance this equation: C4H10+O2==>CO2+5H2O?
  • Balance this equation: C4H10+O2===>CO2+H2O?
  • Balance this equation?
  • Balance this formula?
  • Balance this...?
  • Balanced equation between ceric sulphate and ferrous ammonium sulpahate?
  • Balanced equation help!?
  • Balanced equation?
  • Balanced formula?
  • Balancing an equation?
  • Balancing an equation?
  • Balancing an oxidation-reduction reaction?
  • Balancing chem equations??
  • Balancing chemical equations?
  • Balancing chemical equations?


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