# Chemistry Questions and Answers

Calculate the pH of the solution that results from the addition of:?
calculate the pH?
calculate the pH?
Calculate the pH?
Calculate the pH?
Calculate the potassium ion conc. (in mol/L) in a sol. prepared by adding 124.7 mL of a 0.412 M KNO3 (aq) sol.
Calculate the quantity of heat released when 1 liter of water cools from 10 degrees C to 2 degrees C.?
calculate the ratio of moles of Ar to moles of N2 in air.?
Calculate the ratio of the concentration of carbonic acid to that of the bicarbonate ion?
Calculate the solubility in grams per liter of Ag2Cl2O7??
calculate the solubility of AgCl in g/L at 298 K in water and 0.2M of HCl.Ksp of AgCl=1.8*10-10mol2dm-6?
Calculate the solubility of solid CaF2(ksp + 4.0x10E-11) in a 0.025M NaF solution?
calculate the standard entropy change (J/mol-K).?
Calculate the standard entropy change (J/mol-K).?
Calculate the standard entropy change (J/mol-K).?
Calculate the standard entropy change (J/mol-K).?
calculate the standard free energy change (kJ/mole) from the standard free energies of formation.?
calculate the standard free energy change (kJ/mole) from the standard free energies of formation.?
Calculate the standard free energy change (kJ/mole) from the standard free energies of formation.?
calculate the standard free energy change (kJ/mole) from the standard free energies of formation?
calculate the standard free energy change (kJ/mole) from the standard free energies of formation?
calculate the standard free energy change.?
calculate the standard...?
Calculate the sublimation temperature (Kelvin).?
calculate the theoretical percent water in the following hydrates: nickel (II) heptahydrate?
Calculate the total pressure in the container at equilibrium.?
calculate the value of [H] in an HOBr solution that has a pH of 4.95?
calculate the value of Ka for acetic acid?
Calculate the volume 200g of ammonia will occupy at 285 and 104.5kPa?
Calculate the volume of 0.5M NaOH that will be required to titrate a 0.15 g sample of aspirin.?
Calculate the volume of H2 (g) expressed at STP, required to react with 3.00 L of CO at STP in the following:?
Calculate the volume percentage of helium in this question.?
Calculate the wavelength of a wave with 5 * 10 ^-20 KJ of energy?
Calculate vapor pressure and mole fraction?
Calculate wavelength, in m, of an electron moving at a speed of 5.73 x 10 6 m/s.?
Calculate Î”Suniv in J/mol-K at 298.15 K?
Calculatethe boiling point of a 0.100 m solution of a non-volatile non-electrolyte solute in acetone.?
Calculating [OH-] for solutions at 25 degrees celsius?
Calculating change in entropy universe?
Calculating concentration? Only with KSP!?
Calculating concentrations with a given value of K?
Calculating Empirical formulae?
calculating energy absobed?
calculating enthalpy?
calculating equilibrium concentration question?
Calculating equilibrium constant?
Calculating ion concentrations given grams of two compounds and a final volume?
Calculating moles - how do I work out moles when I know something is 5% w/v in 12cm3 of solution?
Calculating Moles?
Calculating partial pressure and volume?
Calculating pH given only concentrations?
calculating pH?
Calculating the hardness of water?
Calculating the number of grams?
Calculating the number of moles of each reactant?
Calculating the pH ??
Calculating the pKb?
Calculating the third Kc?
Calculating the weight %?
calculation of % P2O5 in KH2PO4 sample,calculation of theoretical % P2O5 in KH2PO4 sample.?
Calculation of [OAc-] from pH.?
calorie/chemistry help!?
Calorie/Heat problem!!?
Calorimeter Design?
calorimeter's heat capacity?
calorimetry?
Calucating the pKa?
calulate the pH of a .500 M aqueous solution of NH3. The Kb of NH3 is 1.77*10-5.?
Camphor Question?
Can (Na2)(NO3)3 exist and if so what is its name?
can a balloon be filled with vinegar and baking soda and then inflate with carbon dioxide?
Can a single iron atom be magnitized?
Can a solute be gas, solid or liquid??
Can acetic acid be a buffer?
Can acetone be used as a solvent for the amino acid tryptophan?
can air be converted to liquid?
Can aluminium b quenched and tempered like iron??
can ammonium acetate pass through the membrane?
Can an addition reaction occur between chlorine and ethane?
can an alcohol off of an acetal be hydrolyzed?
can an etched surface of silicon be approximated as a negatively charged planar polyion?
Can any bio/chem fans help me out here?!?
Can any body tall me the specific gravity of olein at 25 and 50 C?
can any one explain the orbital diagram?
Can any one help mwe with this q please?
can anybody explain in a very simple way how to compute henderson-hasselbach equation and pls. give an exampl
can anybody please help me with chemistry??
Can anybody please help me with this Chemistry Problem?
can anybody tell me about the destribution of a solute between 2 immisicible solvents and the disribution coef
Can anybody tell me the reaction equation between oxalic acid and potassium permanganate?
Can anyone balance these equations?
can anyone balance this equation for me please?
Can anyone compare the composition of binary ionic and binary molecular compounds for me please??
can anyone do this quiz?
can anyone explain how polyacrylonitrile, PAN can be a crystallizable atactic polymer?
Can anyone explain how to find final molar concentrations for this reaction?
Can anyone explain orbital pi and sigma bonding stuff?
can anyone explain step by step?
Can anyone explain that...?
Can anyone explain why silver chromate is soluble in dilute nitric acid using chemical equations?
Can anyone find me a mnemonic phrase for the Actinide elements?
can anyone give me a detailed summary of what forensics is and everything about it?
Can anyone give me a sample problem of Geometry I?
Can anyone give me an equation for when hydrocarbons react with nitrogen oxides...?
Can anyone help me on this question?
Can anyone help me with some chemistry?
Can anyone help me with this chemistry problem?
Can anyone help me with this chemistry question?
Can anyone help me? I need help trying to figure out these words because our teacher won't let us use our book
can anyone help with this equilibrium problem?
can anyone list the properties of valence electrons?
Can anyone make me a rhyming poem on Sulfur?
Can anyone name these compounds?
Can anyone names some animal and plant toxins?
Can anyone please help me find an article on Carbon?
Can anyone please tell me what the physical properties of sand, salt, paper and iron are?
can anyone plz do this chemistry quiz? am just stuck wiv it?
can anyone plz help me with this question " Keep getting the wrong answer"?
can anyone plz solve this i keep getting the wrong answer?
Can anyone tell me about Ernest Rutherford??
Can anyone tell me how to find out chemical activity? And what elements does potassium form compounds with?
can anyone tell me how to solve this question step by step?
can anyone tell me if sindanyo was used in the making of analytical balances back in the seventies?
Can anyone tell me reaction in which O3 (Ozone Gas) forms ?
Can anyone tell me some everday mixtures to separate?
Can anyone tell me the covalent bonding of ethylene and CO2?
Can anyone tell me the molecular weight of acetone, MEK, and Isopropyl alcohol??
Can anyone tell me the reaction that occurs between NH3 and Nox to form H2O and NO2?
Can anyone tell me the structure of formic acid (CHOOH) in Water (H2O)?
Can anyone tell me where i can find a good((free) Physics and Chemistry site for A-level full course?
can anyone tell me where the element IODINE is most commonly found?
Can anyone write out the reactants and predict the product??
can cautic soda harm pvc pipe?
Can charcoal be converted to diamond by pressure from a high explosive charge?
can chloroform be made from household chemicals?
can citric acid tablet be made without adding binder?
can colloidal foods be absorbed directly by the intestinal wall? why?
can crystals record data?
Can diamonds be prepared artificially from other allotropes of carbon?
Can DMSO (a type of solvent) dissolve very fine particle of Hydroxyapatite (HAp)?
Can flatulence be measured in parts per million? If so, what is the average amount?
Can formalin be recovered from fossils?
Can I make a mylar balloon from latex balloon?
Can I make liquid soap out of bar soap?
can i make liquid ultracaine in to powder?
can i put out FIRE WITH ICE CUBES ONLY? ??? (strictly no liquid water!!)?
can india win world cup?
Can it be, ever, possible to transfer a persons mind onto a electronic chip or something like that?
can it happen the minus kelvin temperature go?
Can metal detectors really tell the difference between gold and other metals??
can metals be brittle?
can mixing GHB with tea alter the GHB?
Can nonmetals, i.e. elements that form anions, have ionization energies? Why?
Can novocaine be synthesized from a carboxylic acid and an amino alcohol?
Can One Balance this equation?
Can Oxygen freeze?
Can P form PH5?amphoteric,basic or acidic is H2S,AlH3,PH3? Can Li form super&peroxides?
Can Radon gas evaporate from water?
Can RCOOH react with RCOO- ?
Can salt fasten the heating process of water?
Can soap be made from coconut oil and NaOH containing wood chips?
Can soap be made without lye.?
Can soft water actually dissolve calcium deposits?
can some body Expalin what they meant here one by one ?
Can some one help me understand electron configurations? Please help with anything u can.?
Can some one help me with Chemistry?
Can some one please explain how valence electrons relate to bonding?
Can some one tell me what is the chemical formula of Vinegar?
can some1 describe how the carbon atoms form a giant macromolecule for diamond and graphite plz?
can some1 give me an example of a metallic bond?
Can some1 tell me how these are drawn?
Can somebody describe to me, how can we find the heat capacity of substances in liquid state?
Can somebody give me a good website with chemistry CURRENT events?
Can somebody help me with a few question I need to research for my chemistry class on?
Can somebody help me with chemical formulas and chemical compounds?
Can somebody help me with this College Chem question about coordination compounds?
Can somebody please answers these two questions pertaining to chemistry?
can somebody tell me four uses of each of the elements?
Can somebody work through this chem 1 problem and show me how to do it?
Can someone balance this equation please?
Can someone describe the role of water in dissolving Potassium Iodide?
Can someone describe to me athe process of suspended animation?
Can someone explain how to draw a structural formula?
Can someone explain the periodic table for me? Like what are the groups and stuff??
can someone explain to me how to answer this question?
can someone explain to me how to solve this problem?
Can someone explain to me how to write the equation for the decomposition of a hydrate?
Can someone explain what the numbers on the inside of rings mean?
can someone give me a DETAILED explanation of what exactly forensics is?
Can someone give me a general definition of activity and what it is used for? I am only in general chem . . .
Can someone give me an equation for the reaction of glycine and nitrous acid?
Can someone give me some help writing the ionic equation for an acid-base rxn?
Can someone give me the list of scientists that involved in development of periodic table ?
can someone help calculate the atomic number of protons, neutron and electron of this following atom cl,c.?
Can someone help me find q of extracting Pb1+ from 1.44 Kg. of PbS?
Can someone help me i need to make these even CaOH+CO2>CaCO3+H2O
Can someone help me to solve this Chemistry problem and explain how?
Can someone help me with a chemistry homework problem?
Can someone help me with a chemistry question?
Can someone help me with Chemistry (limiting reactants & percent yield)?