Chemistry Questions and Answers
Apple juice, solution or suspension?
application of eletron microscope in materials anaysis?
Applications of Boyle's Law in real life situatations?
Approximate equilibrium constant?
aqueous barium bromate is mixed with aqueous lithium phosphate?
aqueous platinum(III) bromide reacts with aqueous sodium sulfide?
Aqueous silver nitrate is added to a solution containing potassium chloride. What precipitate forms?
Aqueous sodium chloride will react with which one of the following in an exchange (metathesis) reaction?
AQUEOUS SOLUTIONS problem?
Are acids and bases equally dangerous?
Are acids ionically bonded?
are all catalysts organic?
are all enzymes proteins?
are all halogens gases?
Are all monosachharides reducing sugars?
Are all salts that result as various mineral specimens ionically bonded?
are amino acids really acids? Why are they called amino acids?
are any of these chemicals found naturally? (ie in nature and thus not man-made)?
Are bases rarer than acids?
Are cells made of atoms? If so, of which element(s)?
Are coefficients involved when determining atomic weight?
Are coins made of metal?
Are magnets still attracted to rust (Fe2O3 something) even though the iron part has been oxygenated?
Are metal ions oxidizing agents or reducing agents?why?
are metals more ductile than alloys?
Are metals recycled from computers dangerous or radioactive?
Are nitrates soluble in Nitric Acid.?
Are Polyphenols fat soluble substances?
Are protons and neutrons bigger than electrons?
Are q, w, E, and H state functions?
Are Rf values accurate; how can they be better analyzed?
Are sink drains made of Aluminum?
Are the electrical charges that exist between protons and electrons in atoms the same as the electricity that?
Are the following chemical or physical changes?
are the following topics in chemistry hard to cover?
Are the London disperion forces between water molecules weaker or stronger than the molecules of H2S?
Are the solid's particles and liquid's particles are same in size or volume?
Are there any "kitchen chemistry" ways of making electircally conductive oxygen-permeable vegetable oil? Thnx
Are there any artificial membranes that allow water molecules to pass from side of the mebrane to another..?
Are there any chemical reactions with CO2 that release net energy?
Are there any elements in the Periodic Table that are used in any kind of procedure that involves the brain?
are there any nuclear experiments that can be tested in a classroom?
Are there any Organic Chemistry geniuses out there?
Are there any pharmaceutically related products related to Ethylene Biosynthesis in plants? (i.e. Yang cycle)
are there any suitable substitutes for glutaraldehyde?
Are there conclusive results on the production of a clear aerogel?
are these 4 topics hard to cover in chemistry?
Are these compounds or mixtures?
Are these equations balanced?
are these right?
are these topics hard to cover in chemistry?
Are two compounds (with the same molecular formula) with different bond types considered to be isomers?
are u clever try do these?
Are You a Chemist...Or do you happen to be very good at chemistry.If so Please Help asap!!?
Arrange the following elements in order of increasing ionization energy?
arrange the following from highest boiling point to lowest boiling point?
arrhenius acids must contain: hydrogen, hydroxide or metal?
Arsenic reacts with oxygen to form oxides that react with water.?
artificially ageing objects?
As a Food Additive is use of Magnesium Stearate permitted as per Middle East Food Regulations ?
as far as acids and bases go, what does pH stand for? Is it an abbreviation or something?
As mineral groups are categorised on anions such as SO4^2- do they mostly consist of ionic bonds?
As the warm water cools, try to explain what happens in terms of energy on a molcular level?
As4O6(s)+ _ H2O-----> ? This is fun?
aspartame is poisonous. in what amount per day? how much is it in natreen or similar staff?
Assume that 3.61 x 106 kJ are needed to heat a swimming pool. If this energy is derived from the combustio
Asymmetric & Symmetric Molecules?
asymmetric synthesis of aminoacids?
At 0 celsius and 1 atm, 12L of ammonia was produced by the Haber process, how many L of hydrogen were used?
At 1 (atm) a balloon contains 12.00 L of nitrogen at 300 K. what would the volume be if the temperature droppe
At 30 degrees celsius & 1 atm 350L of CO2 were consumed. Assuming 100% yield what mass of glucose was produced
At a temperature of 273 K, a 400.-milliliter gas sample has a pressure of one atm of mercury. If the pressure?
at Christmas? a Christmas tree, but when do you use a chemist tree?
at constant pressure a gas will increase the volume with an increase in temperature -- true or false?
At equivalence point, isn't pH=pKa for all titrations? Does this include weak acid vs. strong base?
At room temperature and atmospheric pressure, ammonia is a?
At STP, 3L of chlorne is produced during a chemical reaction . What is the mass of this gas?
at what temp does road salt not work at?
At what temp. does water freeze?
At what temperature are enzymes denatured?
at what temperature does bleach freeze?
at what temperatureis the celsius reading the same as the fahrenheit?
At which conditions would a real gas act MOST like an ideal gas?
Atmospheric Ozone Degradation?
atomic absorption spectrophotometer?
Atomic Radius Problem. Any Help Appreciated!?
atomic structure briefly?
Atomic Structure Chemistry question HELP ?! (quick best answer)?
Atoms And Ions?!?
Attention Chemistry Wiz's...Please help me understand this GAS Law??
Automobile airbags are inflated by nitrogen gas, generated from the explosive decomposition of solid sodium az
automobile exhaust contains nitogen oxides. how mite these pollutaants affect chemical weathering process?
Average Atomic Mass?
Avogadro’s number can give two conversion factors. What are they?
Background information for immiscibility?
baking soda and vinegar chemical equation?
balance chemical equation?
balance equation for the reaction between BaCl2 and Na2SO4 my limiting reactant is Na2SO4 and exess reactant?
Balance equation help?
balance equation of slaked lime (calicum hydroxide) with (aluminum sulfate) to form aluminum hydroxide?
Balance Equations...__Cu + __HNO3 -> __Cu(NO3)2 + __H20 + __NO2?
Balance Equations...Please Help...Thanks :)?
balance please- C4H10(g)+O2--------->CO2+H2O ?
balance the following equation. Fe2O3 + CO -> Fe + CO2?
Balance the following equation. Na2SiF6 + Na -> Si + NaF?
Balance the following equations. ZnS + O2 -> ZnO + SO2?
balance the following reaction in basic solution?
balance the following reaction?
Balance these 2 separate equations please.?
balance this chemical equation?
Balance this Chemical Equation?
balance this chemical equations?
Balance this chemistry equation?
balance this equation : Zn(s)+CuSO4(aq)--Cu(s+ZnSO?
balance this equation by using coefficients?
balance this equation URGENT?
Balance this equation>?
balance this equation: H3PO4 + (NH4)2MoO4 + HNO3 --> (NH4)3PO4 + 12MoO3 + NH4NO3 + H2O?
Balance this equation: NaH2PO4 + Ca(NO3)2?
Balance this equation:?
balance this equation?
balance this: Na2SiF6 + Na--> Si +NaF?
balance this: AGNO3 + ALCL3--> AgCL + AL(NO3)3?
balance ZnS + O2> ZnO +SO2?
balance ZnS + O2> ZnO +SO2?
Balance: NaH2PO4 + Ca(NO3)2?
balanced chemical equation for solid copper(ii) sulfide reacts with aqueous nitric acid to produce aqueous?
balanced chemical equation of self ionization of water??
Balanced Equations. Help is appreciated.?
balancing C12H22O11 -------> C + _________?
Balancing Cemical Equations?
Balancing Chemical equations help please??
Balancing chemical equations!?
Balancing chemical equations?
Balancing Chemical Equations?
Balancing Equations Help?
Balancing Equations Help?
Balancing Ions and Stoichiometry?
Balancing of equations:?
Balancing the equation!!!?
barium chloride dihydrate, BaCl2*2h2o, contains 2 moles of water molecules per 1 mole of BaCl2. however, water
Barium Hydroxide + Sulfuric Acid---> barium sulfate and what other product? water?
Barometer Formula - if atmosphere = H, Argon, Xe?
Based on 2 compounds, one pure, one unpure, can the contaminate be found from a UV spectrum graph of each?
Based on electronegativity values, which bond has the highest degree of ionic character: H-S, Si-Cl or Cs-Br?
based on organic chemistry, How to prepare cyclopentanone using cyclopentanol?
Based on the typical "shell" model, how many fluorine atoms should combine with how many hydrogen atoms?
based on what about the interaction of oxygen with the glowing splint, explain why liquid oxygen is an?
Basic Chem Question?
Basic equation for vinegar (ethanoic acid) + sodium hydroxide?
Basic questions...please help me...?
Because endothermic reactions require the addition of heat as a reactant,?
Beer's Law -- What happens to absorbance when concentration is halved?
before has been react with ligand, why ferum must be in Fe(II) condition?
Before the Bunsen burner was created, what did people use for heating chemicals?
beginning chemistry, naming compounds! confused!?
Behavior Of A Gas Question?
Benedict's Solution and Glucose?
Benzoic acid (HC7H5O2) has a pka=3.683. Determine the pH of a 0.0695 M benzoic acid solution.?
Beryllium project help!?
bet you chemistry gurus cant figure this one out...?
beta particles are the same as helium nuclei?
Between propanone and water, which is more polar?
Big city sewage and biochemistry?
Binary covalent compounds are: --> ?
bio medical and industrial importance of enzyme?
Biology and Chemistry Path?
Biology studies problems to find solutions.Give an example?
BISMUTH! EASY BEST ANSWER SERiOUSLY!!?
Black specs in Diamond what is it??
blank and blan are found in the nucleus of an atom. they account for most of the blank of the atom?
Blue light has a wavelength of approximately 475 nm. What is the energy (in joules) of one photon of blue ligh
blue litmus paper CONFUSION!?
Boiling - Freezing temperatures --> Ionic or non-ionic?