Chemistry Questions and Answers

  • Please help me with these...?
  • Please help me with this AP chemistry question!!?
  • Please help me with this AP Chemistry Question!!?
  • Please help me with this chem problem... Write the mass action expression for 2NO(g) + O2(g) = 2NO2?
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  • please help me with this chemistry problem?
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  • Please help me with this problem!!?
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  • Please help me with this problem, I’m going crazy!?
  • Please Help Me!! Test On These Chem Questions Tomorrow!?
  • Please help me!I need factors that afftect rate of reaction?
  • Please HELP me...i need an answer BEFORE 10:00 tonight?
  • Please Help Me..How do i calculate the energy content (in J/g AND calories/g)?
  • Please help me?
  • PLEASE HELP QUICKKk!?
  • Please Help- Random Questions?
  • Please help translate this from english to malay.very urgent?
  • please help w/ LIMITING REACTANT PRBLM!?
  • please help with chemestry?
  • please help with chemistry, it is the only problem i cant figure out and my teacher wont help...?
  • please help with Chemistry?
  • please help with homework question?
  • please help with my chem question?
  • Please help with these chemistry questions!Please!!?
  • Please help with this Chem question?
  • PLEASE HELP! What is the lattice energy for calcium bromide?
  • Please help!! Microbiology help!?
  • PLEASE HELP!! CHEMISTRY**2nd law of thermodynamics and pollution?
  • PLEASE HELP! chemistry problem!!?
  • Please Help!?
  • Please help, I'm having a problem with chemistry!?
  • please help. How to find inside temperature of a balloon when inflated with hot air?
  • please help..?
  • Please Help: Stoichiometry?
  • Please help; writing a lab on calcium and water?
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  • Please help?? How to find density of liquid without performing m/v??
  • please help??
  • please help---calculate mass in grams for 7.14 x 10^2 mol PCl3? thanks?
  • Please- i need chem help soon!?
  • Please i need help with home work?
  • Please I need some help with this pressure question equilibrium?
  • Please i need your opinion?
  • Please name the following...it's just one...I have a test..I'm trying to study from these...?
  • please need help with chemistry?
  • Please see question below?
  • Please see question below?
  • please solve it friendz?
  • please solve?
  • please someone help me... i dont know what formula to use?
  • Please suggest me some research topic in Analytical chemistry?
  • Please tell me a good book for inorganic chemistry to prepare for IIT-JEE-07. I already have MTG .?
  • Please tell me how to do these?
  • Please tell me the methods to determine the water quality?
  • please! help me with these thermodynamics calculation!?
  • PLEASE!! i need chemistry help, someone please do this problem and it explain it for me!?
  • please, i need chem help!?
  • Please, just five questions I don't get! Any chemistry people out there??!?
  • Please, need answer tonight for lab report!?
  • Please... can someone help me with this chemistry question?
  • pls help me, i need help with this problem?
  • pls help me... calculate the volume of 8.40g of N2 at 100 degree celsius and 8000 torr.?
  • Pls. help me with this chemistry question...?
  • Pls. help with this chem. question.?
  • Plumbers element?
  • plz ans my ques?
  • Plz anyone tell me the answer i got millions of answers but its all wroong plz helpppp?
  • plz explain how to solve?
  • plz explain step by step * Thank you*?
  • plz explain step byu step?
  • Plz Help - Simple Equilibrium question?
  • plz help if u know ?in organic(carbon)chemistry??
  • plz help me w/ dimentional analysis?
  • plz help me with my science extra credit?
  • plz help me with this chem prob?
  • Plz help science question?
  • PLZZZ ans this...test 2morrow!!! PLZZZZZZZZZ?
  • plzzzzzzzzzzzzzzzzzzzzzzzzzzz any one help me wth this ques.?
  • point of equilibrium for a titration?
  • polar and nonpolar.ionic and covalent?
  • Polar liquids and non-polar liquids..?
  • Polar liquids...?
  • polar or nonpolar?
  • Polar or nonpolar?
  • Polar Or Non-Polar?
  • Polar/Non-Polar, Boiling points? Propane, Heptane, 1-propanol and 1 heptanol?
  • Polar/Nonpolar/Ionic?
  • polar/nonpolar?
  • polarity and geometry of molecular compounds?
  • Polarity?
  • polonium occurance?
  • Polonium-218 is formed from the decay of Radon-222 and has a half-life of 3 min?
  • polyatomic ions are often said to be a cross between covalent compounds and ionic compounds why can they be...
  • polymer composites?
  • polymers used in manufacturing of opticalfaiber?
  • polyurethanes have shape memory effect...please name some other kinds of polymers that have this effect !?
  • Polyvinyl Acetate Chemical Formula...?
  • Popcorn & Chemistry help please for tomorrow!!!! Thanks to all who answer!!!!?
  • Positive or Negative Ions?
  • post an example of an oxidation reduction (redox) reaction?
  • Potasium Nitrte?
  • Potassium chloride is called a mineral salt. What sort of chemical is a mineral..?
  • potassium fluoride?!?
  • Potassium forms compounds with what other elements? What does that mean?
  • potassium iodide is added in preparation of Iodine.Why?
  • Potassium Nitrate in michigan US?
  • potassium what?
  • Potentiometric titration of a triprotic acid with a strong base?
  • ppm conversion?
  • PRECIPITATE PROBLEM please help me!?
  • Precipitates and pH?
  • precipitates?
  • Precipitation?
  • Predict the acid strengths of the following compounds: H2O, H2S, and H2Se?
  • predict the color of amylopectin and glycogen in an iodine solution?
  • Predict the electrical conductivity?
  • Predict the products for the following reactions.?
  • predict the products of the following acid-base reactions then balance the equations.?
  • Predict the products of the following acid-base reactions then balance the equations.?
  • Predict the sign of delta H for each reaction?
  • predict the type of bonding, molecular geometry, and molecular polarity of the following molecules: HI, SH1?
  • Predicting products of chemical reactions?
  • Predicting Products of Reactions!?
  • Predicting Products of Reactions?
  • Predicting Products?
  • Predicting whther double displacement reactions will take place...?
  • Preparation of Propanal and Aldol condensation?
  • prepare 0.5M phosphate buffer ph 7.2(1000ml) from Xml of 0.2M dibasic and 0.2M monobasic?
  • prepare Ni0.8Zn0.2Fe2O4?
  • Pressure and temperature change problems?
  • Pressure and Temperature?
  • Pressure Effects On Solubility Problem?
  • Pressure in your car tires before driving and after driving?
  • Pressure of vessel?
  • Pressure/Gas Laws?
  • Problem Solving?
  • Problem Solving?
  • problem with pH?
  • Problem: How can you make and freeze a solution with a freazing point of exactly -2C?
  • problems...I dunno how to do thse questions...?
  • Procedure for preparation of aspirin, plz?
  • Procedures on how to make 1M Sulfuric acid form a jar containing sulfuric acid solution?
  • process by which cell ebpels wastes from a vacuole?
  • process of cobalt octoate?
  • process of making yogurt?
  • Processes of glass making?
  • production methods to make polyconcrete building materials using unsaturated polyster resigns?
  • production of oxalic acid from carbon monoxide?
  • Professional help please.?
  • propane gas, C2H8, is burned?
  • Propane, C3H8(g), is used in many instances to produce heat by burning: C3H8(g) + 5O2(g) -->3CO2(g) + 4H2O(g)
  • Properties of battery acid?
  • properties of orlon depend upon which factors?
  • Properties of Unupetium (UUP) (115)?
  • properties of water?
  • propose a way to estimate the volume of oxygen that was generated in the plastic bag?
  • Protein crosslinking, is it a reaction that produces a visible change?
  • Protein Structure?
  • Protein structures?
  • Protein synthesis?
  • Protein tertiary structur analysis?
  • Proteins differ from one another because?
  • Protons, Electrons, Neutrons...ATOMS!?!?
  • Provide a reasonable, detailed, stepwise mechanism for the reaction of aniline with 3-pentanone.?
  • Psuedo? what is the correct way to extract and if have wax, how can you tell? and what is the solution?help?
  • PULP AND PAPER: what is lumen loading?
  • pure crystalline solids freeze and melt at the same temperature - t/f?
  • Pure substance SiCl4, molecule or atom?
  • Pure Substances?
  • Purification of aspirin PROBLEM!!?
  • Purification of aspirin PROBLEM!!?
  • Purpose of D20 in NMR samples?
  • Purpose of using water in Acetylation of Anilene?
  • Q> about my report in no. of replaceable ions?
  • Q: Equilibria of Slightly Soluble Ionic Compounds?
  • q=cm?t find the specific head?
  • Q1.when egg white s addded to water and stirred well,there is formation of :?
  • Qualitative analysis - in the identification of the acetate radical, as we may have some probs in recognizing?
  • Quanity usually means the__________ of a substance expreesed in grams or moles?
  • Quantitative and Qualitative Data?
  • Quantom Theory Does anyone know what formulas I would use to solve this equation?!?
  • Quantum energy question...?
  • QUESTION (Science - Bunsen Burner):?
  • Question about acids and HCl? I need help!?
  • Question about acids?
  • Question about balancing net ionic equations?
  • Question about boiling point/ evaporaton?
  • Question about Bond strength (chemistry)?
  • Question about buffers and pH?
  • Question about calculating moles in CHEM?
  • Question about catalysis?
  • Question about chemical equilibrium?
  • question about chemistry help soon!?
  • question about collecting gas and finding its molar mass?
  • question about electricity and metals and magnetic?


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