Chemistry Questions and Answers

  • Boric Acid Powder & High Heat?
  • Born-Fajans-Haber Cycle - estimating the standard heat of formation H°f?
  • Both Na & P are present in the same period but their oxides are different in nature.why?
  • Both picric acid and tannic acid are used in the treatment of burns, why?
  • Boyle temperature for hydrogen?
  • Boyles Law...huh?
  • Boyle's Law: The Pressure-Volume Relationship?
  • Breakdown KOH leaked out from a D-cell Alkaline battery?
  • Breath analyzer test?
  • Briefly descrbe the importance of each, easy element questions?
  • Briefly describe two types of assay the authors used to test the biochemical properties of gpi-pld?
  • Bromine and chlorine radicals?
  • Buffer -- Net Ionic Equations?
  • Buffer pH by Design?
  • Buffer Problem, Strong acid and Strong base?
  • Buffers Adding to a solution?
  • By what factor would the reaction rate increase?
  • Ca you teel me if this is balanced chemical equation and net ionic?
  • Ca/Au reactions with water?
  • Calcium Fluoride + Calcium Carbonate = ?
  • Calcium in milk...%?
  • Calculate bond energy.?
  • Calculate conc. of nitric acid in ....?
  • Calculate density of Titans atmosphere?
  • Calculate final concentration of the solution..?
  • Calculate Keq for the formation of methyl alcohol at 100°C given that at equilibrium the [CO] = 0.814 M, the..
  • Calculate mass percent, mole fraction, molarity and molality?
  • Calculate molar mass?
  • Calculate moles of H2 needed to form 8.5 moles HCL in the reaction H2+Cl2>>HCl?
  • Calculate n(H2) obtained from 1.000 gram of Al. Also, calculate n(H2) obtained from 1.000 gram of Zn.?
  • Calculate the after addition of 30.0mL of NaOH .?
  • Calculate the "energy of activation" for the chirping process.?
  • Calculate the [OH–] if the pH is 11.6.?
  • Calculate the activation energy Ea in kilojoules per mole?
  • Calculate the change in pH that occurs. Is this right?
  • Calculate the critical density of methyl alcohol?
  • Calculate the density of a gas if the mass is 2.94 grams, the volume is 756 mL at 20°C...?
  • Calculate the enthalpy change in KJ for the following reaction 2AL(s) +2 Fe(s)- 2Fe (s)+Al2O3(s)?
  • Calculate the enthalpy change in KJ for the following reaction 2AL(s) +2 Fe(s)- 2Fe (s)+Al2O3(s)?
  • Calculate the enthalpy change to be expected for NaOH(s) to NaOH(aq)?
  • Calculate the Following?
  • Calculate the hydronium ion concentration and the hydroxide ion concentration in blood, the pHof which is 7.3?
  • Calculate the Keq for the formation of methyl alcohol at 100 degrees celcuis given that at equlibruim the..?
  • Calculate the mass of 10molCarbon produced wen d amount of C10H16 which is 3.6 grams reacts with 8mol Chlorine
  • Calculate the mass of 4.56 moles of helium.?
  • Calculate the mass of sodium acetate(CH3COONa)....?
  • Calculate the molality of the aquaeous sol'n? 1.22 molarity of C12 H22 O11 sol'n whose density is 1.12g/m?
  • Calculate the molality of the aquaeous sol'n? a. 1.22 molarity of C12 H22 O11 sol'n whose density is 1.12g/m?
  • Calculate the molality of this aquaeous sol'n = 48.2% by mass KBr sol'n??
  • Calculate the molality, mole fraction and molarity?
  • Calculate the molar entropy of vaporization at its normal boiling point for each of the following.?
  • Calculate the molarities of these ions in the following two solutions:?
  • Calculate the molarity of a solution which has a total volume of 250 mL and...?
  • Calculate the molarity of a solution which has a total volume of 250mL and has 50g copper(II) sulfate .?
  • Calculate the molarity of a solution which has a totl volume of 250 mL and has 50 g copper sulfate pntahydrate
  • Calculate the molarity of each of the following solutions?
  • Calculate the molarity of the HCl from the volumes of acid and base...?
  • Calculate the molarity of the solution?
  • Calculate the molarity...?
  • Calculate the mole fraction of the solution made by mixing 1.998 g of p-xylene (C8H10) and..?
  • Calculate the molecular weight of the gas.?
  • Calculate the molecular weight?
  • Calculate the number of Al3+ atoms in 0.056g of Al2O3?
  • Calculate the number of atoms in 12g of zinc.?
  • Calculate the number of moles of oxygen produced when 6.75 mol of manganese dioxide decomposes to Mn3O2 + O2:?
  • Calculate the osmotic pressure at 21 degrees celcuis of a 0.235 M solution?
  • Calculate the osmotic pressure at 21°C of a 0.235 M solution.?
  • Calculate the osmotic pressure?
  • Calculate the percent ionization of formic acid HCO2H?
  • Calculate the percent yield for a reaction where 0.38 g of NO2 reacts and 0.36 g N2O5 is produced.?
  • Calculate the pH after addition of 50.0mL of the titrant.?
  • Calculate the pH after the addition of 15.0mL of NaOH .?
  • Calculate the pH and percent hydrolysis in 0.10 M AlCl3 solution.?
  • Calculate the pH and pOH of a solution obtained by adding 0.2g of a solid KOH to 1.5 Liters of 0.002M HCl?
  • Calculate the pH if the pOH is 5.3?
  • Calculate the pH in the flask at the following points in the titration?
  • Calculate the pH of the solution made by adding 0.50mol of HOBr and 0.30mol of KOBr to 1.00L of water.?
  • Calculate the relative humidity of water vapor in a sauna(100 degrees F) if the partial pressure is 44.7 torr?
  • Calculate the second virial coefficient of ammonia from its van der Waals constants.?
  • Calculate the solubility of AgCl in 0.20 M AgNO3 solution. Ksp of AgCl is 1 x 10-10.?
  • Calculate the solubility of dinitrogen in blood that is in contact with air (78% N2) at 4.00 atm, the pressure
  • Calculate the solubility of dinitrogen in blood that is in contact with air (78% N2) at atmospheric pressure.?
  • Calculate the solubility of FeS in water if the the Ksp= 1x 100 to the negative 22 power?
  • Calculate the solubility of KNO3 in moles per liter?
  • Calculate the standard cell potential given the following standard reduction potentials?
  • Calculate the temperature of a 969 mL sample of CH4 gas at 104 kPa with a mass of 0.647 g.?
  • Calculate the theoretical number of moles of HCl equivalent to 1 mole of?
  • Calculate the theoretical number of moles?
  • Calculate the value of Kp.?
  • Calculate the volume in liters and mL of a .324 Molar solution of H2SO4 required to react completely?
  • Calculate the volume in millimeters..?
  • Calculate the[OH-] if the hydrogen ion concentration is4.2x 10 to teh negative nineth powerM?
  • Calculate voltage of a wire with a resistance of 30 ohms and an electric current of 100 milliamperes?
  • Calculate ▲H for the reaction 2C (s) + H2 (g) ---> C2H2 (g)?
  • Calculating K+ with an Mg chelate?
  • Calculating molarity?
  • Calculating pH with my TI-84?
  • Calculating pH?
  • Calculating the volume of green house emissions...?
  • Calculations based on chemical equations help please !!?
  • Calulate the {OH-} if the pH is 11.6?
  • Can a catalyst make a reaction slower,?
  • Can a GF-AAS be used to analyse for Silicon?
  • Can a kno3 and sugar smoke bomb set off fire detectors?
  • Can a non-polar solvent dissolve a non-polar solute?
  • Can a saturated solution only dissolve more solute if heat is used?
  • Can a strong acid such as HNO3 dissolve AgCl?
  • Can a strong acid such as HNO3 dissolve?
  • Can an atom have have many oxidation numbers?
  • Can an tertiary haloalkane undergo nucelophilic substitution with Iodine?
  • Can any one explain electronic configuration of atoms?
  • Can any one help me out here..??
  • Can any one tell me a way to remember the school subjects easily?
  • Can anybody answer this?
  • Can anybody explain me what is ''lanthanide contration?''?
  • Can anybody explain the entire process of QA (Quality Assurance) in Pharma manufacturing?
  • Can anybody tell me what are the differences between physical adsorption and chemical adsorption?
  • Can anyone answer this chem prob involving unknown element mass? see setails?
  • Can anyone answer this? chem prob with unknown element?
  • Can anyone Explain to me the Homogeneous Mixture of a Molecular Carbon based Dioxitizer?
  • Can anyone explain vapor pressure to me?
  • Can anyone explain what Multi-subtituted Aromatics are?
  • Can anyone give the name of this alkene?
  • Can anyone help me answering this acid/base question?
  • Can anyone help me differenciate element from compound?
  • Can anyone help me in my investigatory project? Please site examples of it and how to make it?
  • Can anyone help me solve this equation?
  • Can anyone help me with a hard core Organic Chemistry Question?
  • Can anyone help me with balancing equations?
  • Can anyone help me with these chemical formulae of ionic compounds?
  • Can anyone help me with these chemistry questions?
  • Can anyone help me? I don't understand the remaining formula of ions?
  • Can anyone pls help me identify the covalent compounds out of these 6?
  • Can anyone shed some light on the different forms of matter usch as plasmas ,bose-enstien condensates,fermions
  • Can anyone suggest me a book to prepare for IIT JAM entrance with chemistry as a subject.?
  • Can anyone suggest some software for organic chemistry?
  • Can anyone tell me about compound microscope?
  • Can anyone tell me address of any digital library?
  • Can anyone tell me all the chemical and physical changes which take place in human body and in nature ?
  • Can anyone tell me tastes and nature(acid or base) of 25 substances used in daily life like vegetables & frui?
  • Can anyone tell me tastes and nature(acid or base) of 25 substances used in daily life like vegetables & fruit
  • Can boiling of water containing vinegar, kill bacteria ?
  • Can butyl acetone react with oxygen to produce energy?
  • Can Carboanion be a leaving group?
  • Can Ch3-NH2, or CH3-NH-CH2CH3 be classified as a secondary amine?
  • Can ethanol be used as vehicle fuel? Explain your answer.?
  • Can green gas (the kind for airsoft) be used to refill a refillable lighter?
  • Can Helium?
  • Can human create element?
  • Can human swim in kerosene?
  • Can I apply liquid rubber or plastic to frames of Aluminum storm windows?
  • Can I convert 1cm^3 to gram? If so how?
  • Can I get a periodic table for two?
  • Can I get information on Lewis and Walter Kossel.?
  • Can i have the equation to illustrate manufacture of titanium dioxide?
  • Can i know how diesel fuel was discovered? its sources/ preparation/production? its uses?
  • Can i know how diesel fuel was discovered? its sources/ preparation/production? its uses?
  • Can I process essential oil to a bottle of perfume?
  • Can I use liquified air in cooling foodstuff?
  • Can i use the cubic inch as a measurment of liquid volume instead of mL??
  • Can matches light without the presence of oxygen?
  • Can oil evaporate?
  • Can ordinary filter paper be used in volatile suspended solid test?
  • Can osmosis filters be used on a large scale to provide clean water for large numbers of people?
  • Can oxalic acid be used as a primary standard for ACID-BASE titrations?
  • Can oxygen brun things in water?
  • Can piperdine cause damage to the C18 resin in a reverse phase HPLC column?
  • Can silver melt??
  • Can Sodium acetate be dangerous?
  • Can sodium benzoate improve probiotic qualities?
  • Can somebody give me example of investigatory project in chemistry? that is easy tomake and requirement?
  • Can somebody help me with ionic equations plss??
  • Can somebody please tell me how can i make "potassium cyanide",reward for answer?
  • Can somenody give me a research topic, anything about chemistry?
  • Can someone describe me the preparation of the saturated solution of Nacl?
  • Can someone draw bond line structures (2D)for NH4+,HNO3,KNO3,P4O10?
  • Can someone draw the 2D structures of NH4+,HNO3,KNO3,P4O10.?
  • Can someone explain paramagnetism ?
  • Can someone explain to me how neutralization of acid/bases works?
  • Can someone give an examples of an element?
  • Can someone give formula for enzyme cleaners for surgical instruments?
  • Can someone help me get the chemical equations for the following?
  • Can someone help me on this?Chemical reaction..?
  • Can someone help me poem about density?
  • Can someone help me with chemistry class?
  • Can someone help me with percent yield please?
  • Can someone help me with this Chemistry Question Please?? THanks!?
  • Can someone help me with this problem?
  • Can someone help me with this problem?
  • Can someone help me with this question?
  • Can someone help me with this?
  • Can someone help with this Chem problem?
  • Can someone help with this Chem problem?
  • Can someone help with this Chem problem?
  • Can someone help with this Chem question?
  • Can someone help with this Chemistry problem please?
  • Can someone help with this i don't get it...explain to me too please? Thanks in advance!?
  • Can someone please explain diet coke and mentos experiment?
  • Can someone please help me with balancing these equations?
  • Can someone please help me with this Chemistry problem?


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