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)?
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PLEASE HELP QUICKKk!?
Please Help- Random Questions?
Please help translate this from english to malay.very urgent?
please help w/ LIMITING REACTANT PRBLM!?
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please help with Chemistry?
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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, I'm having a problem with chemistry!?
please help. How to find inside temperature of a balloon when inflated with hot air?
Please Help: Stoichiometry?
Please help; writing a lab on calcium and water?
Please help?? How to find density of liquid without performing m/v??
please help---calculate mass in grams for 7.14 x 10^2 mol PCl3? thanks?
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Please I need some help with this pressure question equilibrium?
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Please see question below?
Please see question below?
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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 .?
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Please tell me the methods to determine the water quality?
please! help me with these thermodynamics calculation!?
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Please, just five questions I don't get! Any chemistry people out there??!?
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Please... can someone help me with this chemistry question?
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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.?
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plz explain step by step * Thank you*?
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Plz Help - Simple Equilibrium question?
plz help if u know ?in organic(carbon)chemistry??
plz help me w/ dimentional analysis?
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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 or nonpolar?
Polar or nonpolar?
Polar Or Non-Polar?
Polar/Non-Polar, Boiling points? Propane, Heptane, 1-propanol and 1 heptanol?
polarity and geometry of molecular compounds?
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...
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?
Potassium chloride is called a mineral salt. What sort of chemical is a mineral..?
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?
Potentiometric titration of a triprotic acid with a strong base?
PRECIPITATE PROBLEM please help me!?
Precipitates and pH?
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 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?
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?
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 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?
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?