Chemistry Questions and Answers

  • A swimming pool 35.6 meters long, 12.0 meters deep, and 5.0 meters wide is filled with water. The temperature?
  • a synthesis reaction involves the breakdown of a compound - true or false?
  • a two component mixture containing 2 carboxylic acids gave only 1 spot with a Rf value of .10...?
  • A yellow precipitate forms when 0.5 M NaI(aqueous)is added to a 0.5 M solution of which of the following ions?
  • A(n) ______________ is a substance that either contains hydroxide ions or reacts with water to form hy. ions.?
  • a+1/b=1 and b+1/c=1 c+1/a=?
  • about chromatography?
  • about dissolvability?
  • About K (equilibrium constant) in Chemistry?
  • about organic chemistry,what is the crystall structure of aluminium metal?how many atom in each cell?
  • Absorbance Question. Very Difficult!!!?
  • abt volume and gas?
  • According to Hund's rule of maximum spin multiplicity, how many singly-occupied orbitals are there in the vale
  • according to law of constant proportion --atoms combine in a fixed ratio by mass,what about in case of isotope
  • According to Solubility - Product Constants (Ksp) if the number is high, is it more soluble?
  • According to the Arrhenius equation, how does temperature affect the rate constant?
  • According to the aufbau principle, which atomic orbital is filled after the 3p orbital?
  • According to the fluid mosaic model, a membrane is composed of?
  • According to the kinetic-molecular theory, gases condense into liquids because of?
  • Acetic acid (HC2H3O2) has a pKa = 4.745. Determine the acetate concentration, (C2H3O2-), of a solution prepar
  • acetic acid has 4 hydrogen atoms but it is considered as a monobasic acid?
  • Acetic acid is C2H4O2 or CH3COOH?
  • Acetic Anhydride 99% BDH?
  • acetone reacts with sodium dichromate and acid chloric to form?
  • acetylsalicylic acid (aspirin)?
  • Acid and Base Pt. 2?
  • Acid and Bases Chart!! Please Help!!?
  • acid base help plz?
  • Acid base help?
  • acid base need your help?
  • Acid Base Reaction?
  • Acid- Base Reactions: Titrations help.?
  • Acid Base Titration?
  • acid base, pH (second part)?
  • acid equilibrium constants?
  • Acid Ka Question?
  • Acid or Base?
  • acid or base??
  • acid or base??
  • Acid question:When say HF or HCL are bubbled into water are any electrons transferred?
  • acid rain?
  • Acid Salt + CaCO3?
  • Acid Strength?
  • Acid/base Solutions--Calculating concentration?
  • Acid/base strength?
  • acid-base and pH?
  • Acid-Base Reaction?
  • Acidic pH?
  • Acidic, basic, or neutral?
  • Acidic, Neutral, or Basic Salts?
  • acid-metal reaction?
  • Acids and Bases in Water Question...Determining Equations?
  • acids and bases?
  • acids and bases?
  • Acids and Bases?
  • Acids and Bases?
  • Acids and Bases?
  • Acids and Bases?
  • Acids and Bases?
  • Acids and Bases?
  • Acids and Bases?
  • Acids do not?
  • Acids, Bases, and Salts?
  • Acids, Bases, and Salts?
  • ACS organic chemistry exam?
  • Actazene.. what is it?
  • Activation energy for mono, di and triprotic (or basic) acids.?
  • AD = C+I+G+ (X-M) how the size of each element of AD is determined?
  • adavantage of ammonium?
  • Adding heat to a solid causes?
  • Adding sugar to a nasty tasting coca bean?
  • Addition of 12M (concentrated) HCl to saturated NaCl results in precipitation of NaCl.?
  • Advance Algebra help plz?
  • advantage and dis advantages of sodium in shampoo?
  • Advantage of paper chromatography ?
  • aerobic respiration process?
  • Affect of Solubility?
  • After filtration why is it necessary to wash the precipitate?
  • After the Grignard reagent reacts with a benzyl acetone what is the structure of the initial product formed.?
  • AgNO3+CuCl2+AgCl+Cu(NO3)2?
  • aicd base help?
  • Air compressed?? What happens??
  • Al2O3+H2SO4-->>?
  • alcohol dehydration?
  • Alcohol Molecules, And Water Molecules?
  • Alcohols, Markovnikov, hydroboration, etc. ...?
  • Aldehydes ketones?
  • Algebraically show why [CH3COO-]/[CH3COOH]= Vol. CH3COO-/ Vol. CH3COOH?
  • alkane seris and benzene?
  • All about HYDROCARBONS...?
  • all abt STP??
  • All organic molecules contain?
  • Allotropes etc...please help me!?
  • Alloy corrision?
  • Although the nucleus of a carbon atom has a charge of +6, the charge experienced by carbon's valence electrons
  • Aluminium and iron?
  • aluminium corrosion inhibitor?
  • aluminium+iron oxide=iron+what?
  • aluminum electrolysis?
  • Aluminum Lab Question?
  • Aluminum reacts with oxygen gas to produce a single solid compound. If 16g of aluminum react with 24g of oxyg?
  • Am i correct?
  • Am I right in thinking that Torrecelli created mmHg?
  • AM I under weight or over?
  • ammonia has 82.4 % of nitrogen in it. why is it unsuitable for use as a fertiliser TWO REASONS?
  • ammonium chloride?
  • Ammonium salts + alkali --> Ammonia + H20 + salt?
  • amorphous solids have crystal structures t/f?
  • Amount of grams to make buffer solution?
  • Amount of heat?
  • amount solute required to prepare ml of ethyl acetate(density =0.092gm/ml for 315ml of 0.0150 molar solution?
  • Amyl acetate was apparently common back in the 1940's. What is it and is it available?
  • An 11.7% solution of NaCI would be what osmolar concentration?_______Osm?
  • An acid such as hydrochloric acid can be concentrated or dilute.explain.?
  • An acidic solution is prepared by diluting a stock hydrochloric acid solution. If 12.76 mL of a 0.0576 M. HCl
  • An acidic solution is prepared by diluting a stock hydrochloric acid solution. If 31.93 mL of a 0.0288 M HCl?
  • An alloy labeled as to constiuents and % composition??
  • An amino acid has the molecular formula C2H5NO2. What is the empirical formula?
  • an atom has 14 protons and 13 neutrons what is its mass number?
  • An atom of flourine contains 9 electrons.?
  • an atom that has no nucleus?
  • an auto mechanic spills 78 mL of 2.6 M H2SO4 solution from a rebuilt auto battery.?
  • An Chemistry Problem!?
  • An electrochemical cell with half reaction?
  • An electron in an atom is excited from n=3 to n=10. It then relaxes down to n=5 emitting a photon of light (ph
  • An electron moves from an excited state in an atom with an energy of -4.45 x 10^-20 J to a state?
  • An element that can form an ionic compound with oxygen is?
  • an example for aquacid?
  • An experiment calls for 10.0 mL of bromine (d=3.12 g/mL)?
  • An experiment of alternative fuel?
  • An explanation for such observation?
  • an icicle starts to drip at what degree celsius?
  • an icicle starts to drip at what degree celsius?
  • An important buffer in body fluids is?
  • an important element in making matches is?
  • An individual sprays chloroform onto the surface of their skin and reports that.?
  • An iron ore contains 62 percent of Fe2O3. How much weight of iron is obtainable from one ton of ore?
  • An object has a kinetic energy of 810 J after falling a certain distance. If the mass of the object is 20 kg,?
  • An s orbital can hold how many electrons?
  • An Unknown Element Crystallizes...?
  • An unknown soln of sugar in H2O boils at 102.4°C at 760 mm Hg pressure.?
  • an unknown substance is placed in water at room temperature and it did not dissolve completely.?
  • analogy for equilibrium?
  • analysis method of tellurium?
  • Aniline (C6H5NH2) has a pKb = 10.017. Determine the pH of a 0.0177 M aqueous solution of the base. (Assume pK
  • another chem question!?
  • Another chemistry problem?
  • Another Chemistry Question. Please come here.?
  • Another Chemistry Question--Still Multiple Choice?
  • Another emergency chemistry equation?
  • Another equilibrium question?
  • Another glycolysis question?
  • Another Heat problem =(?
  • Another hydrogen-filled balloon has a radius of 2.50 m at sea level (1.00 atm and 25°C). A payload of what mas
  • Another name for Sulfuric Acid?
  • another organic systhesis...synthesizing an alkene to a ketone?
  • another oxidation?
  • Another science quiz!?
  • answer??
  • anti oxidant?!?
  • Any body knows what is "FTIR/FT-NIR BENCHTOP SPECTROMETER INTERSPEC 200-X" FOR? IS THIS FOR NUCLEAR LAB OR WHA
  • Any chemistry smarite pants out there?!!?
  • any easy way to learn reactions...?
  • Any examples of catalysts that are not enzymes?
  • any gas laws-related experiments that you know of?
  • Any Good Science yearbook quote?
  • Any help with these 2 questions? Thanks everyone!?
  • any information about pinholing,blistering & bubbling in automotive coating?
  • any radioactive isotope can fission - true or false?
  • any radioactive isotope can fission?
  • any simple and effective idea for chemistry projects?
  • any site that talks about the color of elements?
  • any sites 4 physics biology maths n chemistry study (4 free)..?
  • any solvent instead of dioxane?
  • Any suggestions before i take Chemistry AP?
  • any suggestions on building a 3-D model of a carbon atom?
  • any where to buy chemicals in the UK (potassium nitrate)?
  • Anybody into Chemistry?
  • Anybody know the chemical equation for NaHSO4 ionizing in water?
  • anybody know the url for virtual lab chemistry for free?
  • anyone good at chemistry volume?
  • Anyone got any tips or tricks for memorizing organic chemistry reactions?
  • Anyone know organic chemistry?
  • Anyone know the answer to this anatomy and physiology question?
  • Anyone know the melting temp of an eraser. The standard white kind found on a pencil?
  • Anyone know what Pentene with a Benzene group added to the third carbon is?
  • anyone knows , what is the atomic mass of zinc and what is the number of electrons in its outer most shell?
  • Anyone who is taking chemistry or has taken chemistry- General Chemistry 2-Equilibrium?
  • Anyone who is taking chemistry or has taken chemistry- General Chemistry 2-Equilibrium?
  • AP Bond Question?
  • AP CHEM HELP PLEASE! 10TEN10 Points to whoever gets it!?
  • AP Chem question on buffers/titration...?
  • AP Chemistry Exam Question Dealing With Equilibrium. (I NEED YOU TO SHOW ME THE WORK OR EXPLANATION)THANKS!?
  • AP Chemistry Problems. Check it out Please?
  • AP Chemistry Question?
  • AP Chemistry? Should I?
  • AP Exam Help!!?
  • Apparently the hardest reaction to balance? (Reposted with more information)?
  • Appearance of oxygen?
  • apple juice has a ph of 3, stomach acid a ph of 2. Stomach acid is ___ times more acidic than apple juice.?


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