Chemistry Questions and Answers

  • PLEASE PLEASE Answer! :D?
  • Please please please?
  • Please read the details of the problem and tell me if the airbags worked in this car accident?
  • Please show me details of how to solve the following question:?
  • Please show me how to find product!?
  • Please solve the Molecular puzzle for each part of the equal sign, would really appreciate it?
  • Please solve the Molecular puzzle for each part of the equal sign, would really appreciate it?
  • Please solve the Molecular puzzle for each part of the equal sign, would really appreciate it?
  • Please solve the Molecular puzzle for each part of the equal sign, would really appreciate it?
  • Please solve this for me...?
  • Please tell me the name of the element discovered in 1898 by Madam Curie and Pierie Curie?
  • Please tell me this !!!?
  • Please tell me what does Avogadro mean in phyzic or any thing?
  • Please tell me what the Boiling Point of N-methylbutanamide is?
  • Please tell me?
  • Please! Qualitative Analysis Post Lab?
  • Please!!! Help me w/ chemistry!?
  • Please!!! I need Chemistry help!?
  • Please, help me quickly please?
  • Please: Can someone help me with this Chem question?
  • Please: What is the answer to this problem?
  • Pleasee help me with my lab on acids and bases?
  • PLEEASE heEEEElp with Cheeeemistryyyyyy!?
  • PLEEEEEEASE help me top contributors! Chem question!?
  • Pls answer these qus. about coulours of elements?
  • Pls help me answer these question on chemistry.Urgent!!!?
  • Pls help me!!!?
  • Pls help thxs urgent?
  • Pls help!!!!!It is very very urgent!!?
  • Pls i need waec time table 4 science student?
  • Pls. i need help.?
  • Plutonic Metafusion?
  • Plz guys what do you think,is taking two chemistry tuitions will help to enhance your knowledge?
  • Plz help i didnt know how to do it?
  • Plz help me voltaic cell?
  • Plz help me with this, plz?
  • Plz help me?
  • Plz help with the chemical equations of these reactins?
  • Plz help, Boyle's Law?
  • Plz help, this is my last possible question, plz...?
  • Plz solve the sum..................?
  • Plz tell me any site or book where I can get material for chemistry practical for class 12th?
  • Plz tell me the best encyclopediaand where to buy as a book.?
  • Plzz can any help me with this?
  • Plzzzzzzz help, Chemistry?
  • Plzzzzzzzzzz can neone help me wiv this?
  • Pode cloreto de cobalto a 15% numa temperatura de 35潞 C passar em uma linha de POLIPROPILENO?
  • Poison cyanide poisoning?
  • Polar and non polar bonds?
  • Polar and nonpolar question?
  • Polar Bonds?
  • Polar covalent vs covalent?
  • Polar ionic and covelent bonding HELP!! moleculues calc!!?
  • Polarity of molecules?
  • Polyatomic Ions?
  • Polycarbonate and solvents?
  • Polydentate ligands result in more stable complex ions?
  • Polydentate ligands result in more stable complex ions?
  • Polydentate ligands result in more stable complex ions?
  • Polymerization?
  • Polypropylene (PP) vs Polyethylene Terephthalate (PET)?
  • Popcorn questions. (10 questions)?
  • Potassium Cyanide?
  • Potassium dichromate solution is added to an acidifed solution of sodium sulfite, what are the products?
  • Potassium hexachloroplatinate(II)?
  • Potassium manganate(VII) is heated with liberation of oxygen and reacts with zinc powder.?
  • Potassium nugget and Water?
  • Potassium?
  • Potassium-40,lead-206 polonium-218 Bi-210?
  • Practice chem.?
  • Practice chemistry ?n please help!=(?
  • Practice Test?
  • Precipitates...?
  • Precipitating problems!?
  • Precipitation and Separation of Ions?
  • Precipitation Calculation?
  • Precipitation formation?
  • Predict if the bonds formed between the following pairs of elements will be ionic, polar covalent, or covalent
  • Predict the cathode, anode, & net cell rxtns & min pot difference for the following electrolytic cell?
  • Predict the color of nicro4?
  • Predict the N-N-C angle in each azobenzene and hydrazobenzene.?
  • Predict the number of unpaired electrons in the following complex ions.?
  • Predict what products would form from the reaction of the following reactants?
  • Predict whether {NaCN} {LiBr} {NH4NO3} are acidic, basic, or neutral & give hydrolysis equation to explain.?
  • Predict whether a precipitate will form?
  • Predicting and explaining UV and IR spectra for a molecule?
  • Preparing 1000mL of a 5% glucose soln, using a 20% glucose soln. How much glucose soln & how much H2O do u mix
  • Preparing a solution of NaOH and H2O with a given pH and Volume?
  • Pressure exerted?
  • Pressure is determined as force per unit area of the surface.The S.I. unit of pressure,pascal ,is 1Pa=1Nm^-2..
  • Pressure of a system?
  • Pressure Points?
  • Pressure???
  • Price per Gram of Nickel, Copper, and Steel?
  • Primary alcohol?
  • Principles of alcohol detector?
  • Problem about electrochemistry?
  • Problem with chemistry?
  • Problem with Equilibrium and Partial Pressure?
  • Problems dealing with Dilutions. Problems with molarity and molality.?
  • Problems using pKa and the Henderson-Hasselbalch Equation?
  • Procedure for synthesis of thiosemicarbazone derivative of chalcone?
  • Procedure for synthesis of hydrazone derivative of chalcone?
  • Procedure for the Synthesis of Anise Oil?
  • Process help?
  • Producing alpha particles creates what isotope?
  • Production of Ammonia Salt - Question?
  • Production of Ester equation?
  • Production of ethanol by hydration?
  • Production of ethanol?
  • Products of a magnesium ribbon..?
  • Profound chemistry?
  • Prom Idea Help! (Need help with flammable substances)?
  • Propane C3H8(g) can be burned in pure oxygen to give only carbon dixoide and water.?
  • Propane C3H8(g) can be burned in pure oxygen to give only carbon dixoide and water.?
  • Properties of fluids?
  • Properties of Gases...Chemistry.?
  • Property exhibited by molecules with non-super imposable mirror images?
  • Propose a reason why aryl diazonium salts are more stable than alkyl diazonium salts?
  • Proton Magnetic Res Spectrum Question?
  • Pu-239 forming Ce-146?
  • Purchase cyanide?
  • Pure H2SO4 acid can be diluted with water (extremely exothermic) design an experiment to measure the enthalpy?
  • Pure liquid glacial acetic acid (HC2H3O2) does not conduct, but when mixed with water it does.?
  • Pure silica in the science journal?
  • Purification by Crystalization.what is a possible weight of impure acetanilide after first crystallization?
  • Purification of organic compound by solvent extraction. Pleae help!!?
  • Purpose of KHP acid?
  • Putting sodium iodide in a toilet and hydrogen peroxide in the tank?I?
  • Puzzling question?
  • Q: If the earth had twice its present mass, but the same radius what would be the value of g?
  • Qestion related to quantum theory of atom.?
  • Qualitative analysis help ASAP!!1?
  • Qualitative Analysis Question. Please Help!?
  • Qualitative Analysis: {AgNO3 & KNO3} & {Cd(NO3)2 & LiNO3}?
  • Qualitative analysis?
  • Qualitative analysis?
  • Qualitative Chem Question..?
  • Quantum Number Question?
  • Quartz tube cutting?
  • Quesitons...plz help?
  • Question !!!?
  • Question about ammonia (NH3)?
  • Question about chemistry?
  • Question about Collision theroy...help...10 points?! (multiple choice)?
  • Question about electron shell diagrams...?
  • Question about Entropy and 螖S?
  • Question about entropy?
  • Question about equilibrium and constants?
  • Question about exothermic and endothermic reactions?
  • Question about ionic bonding?
  • Question about Kinases in Glycolysis?
  • Question about LABSA ??
  • Question about mineral impurities?
  • Question about pH?
  • Question about precipitates?
  • Question about protein structure?
  • Question about REDOX reaction?
  • Question about single displacement?
  • Question about Solubility and temperature?
  • Question about solubility/precipitates!!!!?
  • Question about spontaneous reactions?
  • Question based on solutions and their colligative properties.?
  • Question concerning Avogadro's principle?
  • Question concerning previous precipitate questions?
  • Question help...?
  • Question in thermodynamics?
  • Question is below because it is too long...?
  • Question on Dilutions?
  • Question on Equilibrium pressure?
  • Question on gasses in chemical reaction?
  • Question on heat and air?
  • Question on percent yield?
  • Question on the Mole Concept?
  • Question with Proteins?
  • Question...?
  • Question: Potassium manganate (VII) is heated with liberation of oxygen and reacts with zinc powder.?
  • Questions about element Mercury?
  • Questions about HNO3 ionization equation?
  • Questions about moles?
  • Questions about neutral atoms!! Please help :(?
  • Questions about nonpolar molecules and saturated solutions.?
  • Questions about reducing agents, oxidizing agents, and salts?
  • Questions in entropy ??
  • Questions on distillation?
  • Questions on Ionisation energies ( IE )?
  • Questions regarding pH?
  • Quick and easy question?
  • Quick Chem Question- how do you find the moles of NaOH from given info here?
  • QUICK CHEMISTRY QUESTION [physical chemistry]?
  • Quick Chemistry Question.?
  • Quick enthalpy question?
  • Quick Questions regarding [PHYSICAL CHEMISTRY] check it out!!?
  • Quick! what chemical can disintegrate metal?
  • Quick! what chemical can disintegrate metal?
  • Quick! what chemical can disintegrate metal?
  • R u genious?? so answer this?
  • Rad absorbtion?
  • Radiation: Converting kJ to rads??
  • Radioactive decay on an isotope, please help, due tomorrow.?


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