# 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!?
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Can someone help with this Chem problem?
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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?