Chemistry Questions and Answers

  • Balancing Equation?
  • Balancing Equation?
  • Balancing Equations - single replacement reaction?
  • Balancing Equations , HELP!?
  • Balancing Equations can someone check my answers please?
  • Balancing equations?
  • Balancing Half-Reactions. Some Help? Check My Work?
  • Balancing Redox Equations + Electro Chem! Check My Work (so far)?
  • Balancing REDOX Equations...?
  • Balancing redox equations?
  • Balancing Redox Equations?
  • Balancing reedox reactions?
  • Balancing these equations?
  • BaNo3+CaNo3+SrNo3+3Na2Co3=BaCaSr(Co3)3+6NaNo3?
  • Barium fluoride (BaF2) has a pKsp = 6.74, what is the molar solubility of barium fluoride in water?
  • Bariun Ion concentration and KSP?
  • Base dissociation constant?
  • Base Reaction?
  • Based on the activity series outcome of each reaction?
  • Based on the readings in your text, which of the following are true statements ?
  • Based on the readings in your text, which of the following are true statements ?
  • Based on the readings in your text, which of the following are true statements?
  • Based on VESPR theory, what is the molecular shape of OH-?
  • Bases in toothpaste?
  • Basic anhydrides.?
  • Basic biology on microscope?
  • Battery Acid?
  • Because of acid.?
  • Beer Lambert Question?
  • Below is the question!?
  • Benzene (C6H6) is an example of:?
  • Benzene freezes at 5.45C. a solution containing 7.24g of C2Cl4H2 in 115 g of benzene freezes at 3.55C?
  • Benzoic acid source??
  • Besides the flotation method is there another method for determining density?
  • Besides what wikipedia says, what is a Breeder Reactor?
  • Big Time Huge Flame Test Question?
  • Binary molecular compounds + molecular nomenclature?
  • Binding Energy, what am I doing wrong?
  • Binding energy?
  • Bio chemstry for dummies?
  • Biochem question?
  • Biochemical Entropy - A Question?
  • Biochemistry and Molecular Biology major?
  • Biochemistry Electron Transport/Oxidative Phosphorylation Question?
  • Biochemistry Help Needed!!!?
  • Biochemistry Help Please?Any one real good on Google could help me...?
  • Biochemistry problem, please help!?! I don't even know how to begin to approach this?
  • Biochemistry question.?
  • Biochemistry Question?
  • Biochemistry textbook!?
  • Biodiesel and diesel composition?
  • Biological and pharmaceutical importance of phenolic compounds?
  • Biology or chemistry?
  • BIOLOGY STARCH, SUCROSe!!!!!!!!!!!!!!!!!!!!!!!!!!?
  • Biomolecular Chemistry...PLEASE!?
  • Bitterness of certain foods?
  • Biulding an atom...[HELP]?
  • BOD analysis on a river water sample?
  • Boiling and cooling water causes what kind of current?
  • Boiling Point and Composition?
  • Boiling point?
  • Boiling points against pressures?
  • Boiling points for ethanol, propanol and methanol, please?
  • Boiling water...tough question?
  • Boltzmann's tombstone?
  • Bond Angle help?
  • Bond energies?
  • Bond Energy! Help?
  • Bond Energy!Help!?
  • Bond enthalpy of a C-F bond is +467kJ-1, how to calculate minimum energy needed to break single a C-F bond.?
  • BOND enthalpy?
  • Bond order and energy?
  • BoNdInG fOrMuLaS!!!?
  • Bonds in hydrocarbons?
  • Boric acid + water ==> ?? + ??
  • Born Haber cycle?
  • Boyles law states that for a gas at constant temp., volume is inversely proportional to pressure...?
  • Boyle's law/charles's law..?
  • Brief notes on S and P-block?
  • Bromide molecule -- bonding?
  • Bromine Water + 1 - pentene?
  • Bromine water test?
  • Bromoethane 2?
  • Bromoethane?
  • Bromomethane reactions?
  • Bronsted and conjugate acid/base pairs?
  • Buffer (Preparation)?
  • Buffer capacity question?
  • Buffer question?
  • Buffer question?
  • Buffer solution question?
  • Buffer solution?
  • Buffer solutions?
  • Buffer solutions?
  • Buffered solutions...?
  • Buffers, pH's, acids, bases..?
  • Building a battery?
  • Bulbs made by using this element gives brighter light?
  • Burn string with acid?
  • Butadiene polymerized?
  • Butane experiment?
  • Butane Lighter?
  • Butane Lighters?
  • By increasing the amount of solute already dissolved, the rate of the sugar dissolving increases. Why?
  • C - Cl in chlorobenzene & C - Cl in dichloromethane ? ?
  • C12H22O11 is burned in pure oxygen to give only carbon dioxide and water.?
  • C12H22O11 is burned in pure oxygen to give only carbon dioxide and water.?
  • C2H4(g)+202(g)---->2CO(g)+2H20(g)...calculate the moles of water produced???
  • C2H5OH(l)-->C2H5OH(g) is:?
  • C2H6(g) C2H2(g) + 2 H2(g)?
  • C3H8 (g) + 5O2 (g) -> 3CO2 (g) + 4H2O (l)?
  • C4H6O2 valence electrons?
  • C9H8O4 and NaOH?
  • Ca(NO3)2 + NaOH + H2O?
  • Ca2+, Fe3+, Mg2+ added to soap or detergent. what happens? which is better at cleaning in hard water?
  • CaF2(s)-><- Ca+2+Cl-What would happen if i addHF->H+ + F-and HCl->H+ + Cl-?
  • Calcium + 4 Carbon + 6 Hydrogen + 4 Oxygen =?
  • Calcium and sulfur?
  • Calcium chloride?
  • Calculate [H3O], [OH] and [Mn] and then calculate Ksp.?
  • Calculate bond energy of one mole in methyl alcohol, CH3OH..?
  • Calculate Energy Change Question for Chemistry. How much heat is required to warm 225 g of ice.?
  • Calculate enthalpy change for CaC2 + 2 H20 = Ca(OH)2 + C2H2?
  • Calculate G for the reaction for the following conditions at 25掳C.?
  • Calculate G掳 for the following process where all gases are at 1.00 atm pressure.?
  • Calculate heat energy grocery?
  • Calculate how many double bonds there are in squalene and what is the molecular formula of squalene?
  • Calculate Keq for this reaction?
  • Calculate mass of AgCl formed when 0.250L of 0.100M solution of NaCl is added to 0.100L of a 0.200M AgNO3?
  • Calculate molar mass??
  • Calculate morality of solution made from dissolving 36.0g silver nitrate,AgNO3, in 325ml water?
  • Calculate pH of a solution?
  • Calculate q, w, E, and H for the process in which 96.0 g of nitrous oxide gas (N2O) is cooled from 168掳C to 55
  • Calculate the mole fraction of the solute?
  • Calculate the % H2O in each of the following hydrate compounds. Na2B4O7.10H2O,,,,,,,MgSO4.7H2O,,,,,CuSO4.5H2O
  • Calculate the % H2O of cuso4.5H2o?
  • Calculate the % H2O of Na2CO3.10H2O?
  • Calculate the % H2O of Na2SO4.10H2O?
  • Calculate the binding energy (in J) and the nuclear binding energy per nucleon of (82.9152 amu).?
  • Calculate the cell potential (V) at 25.0 C for the given concentrations of Zn2+ in the other compartme
  • Calculate the cell potential (V) at 25.0 C for the given concentrations of Ag+ in the other compartment?!
  • Calculate the cell potential (V) at 25.0 C?
  • Calculate the concentration of hydrogen gas in equilibrium?
  • Calculate the concentration of iodide ions in a saturated solution of lead iodide, Ksp=1.39x10^(-8)?
  • Calculate the concentration?
  • Calculate the Concentration?
  • Calculate the density of Br2 (g) at 59.0 掳C and 1.00 atm pressure??
  • Calculate the efficiency of the following machines:?
  • Calculate the energy of a photon of frequency of 70.9 MHz.?
  • Calculate the energy, for a beam of ultraviolet light with a frequency of of 8.89 x10 to the power of 15 Hz.?
  • Calculate the entropy change for a process.?
  • Calculate the equilibrium concentration?
  • Calculate the equilibrium constant for the reaction:?
  • Calculate the following:?
  • Calculate the free energy change, Kp and Kc for the following equilibrium at 25 celsius.?
  • Calculate the freezing point?
  • Calculate the frequency of blue light of wavelength 4.5 x 10^2 nm?
  • Calculate the grams of solute?
  • Calculate the heat change in calories when 45.2 g of steam at 100 degrees cel condenses to water at the same..
  • Calculate the heat required to convert 25g C2Cl3F3 from a liquid at 5 degrees C to a gas at 82 degrees C.?
  • Calculate the hydrogen ion concentration in this solution?
  • Calculate the hydroxide ion...?
  • Calculate the Kf of Benzophenone...?
  • Calculate the Ksp for iron (II) oxalate?
  • Calculate the mass in grams of solute required to make 68.719 mL of 0.100 M potassium carbonate, K2CO3.thanks?
  • Calculate the mass of cobalt that will be deposited when a current of 2.00 A is passed through a solution of C
  • Calculate the mass of gas dissolved at 150.0 kPa, if 0.35 g of the gas dissolves in 2.0 L of water at 30.0 kPa
  • Calculate the mass of methane that must be burned to convert 318.0 g of water at 39.0掳C into steam at 110.0掳C
  • Calculate the mass of NaOH in 66.5 mL of 2.15 M solution.?
  • Calculate the mass of NO2 present in a 275 mL container if the pressure is 240.0 kPa and the temp is 28*C?
  • Calculate the mass of oxygen produced when 1.7g of hydrogen peroxide,H202 is decomposed at S.T.P?
  • Calculate the mass of the precipitate?
  • Calculate the mass of urea(NH2CONH2) reqd. in making 2.5 kg of .25 molal aqueous solution.?
  • Calculate the mass percent, % (m/m), for the solute in each of the following solutions.?
  • Calculate the max. # of grams of NH3 that can be produced by the reactio of 2.00 g of N2 w/ 3.00 g H2?
  • Calculate the milliliters of 0.122 M KOH required to netralized 36.0 mL of 0.250 M HNO2?
  • Calculate the molality of an aqueous solution that contains 29.800 % (w/w) in NaCl.?
  • Calculate the molality of an aqueous solution that contains 31.600 % (w/w) in KCN.?
  • Calculate the molar Enthalpy of the reaction between acetic acid and sodium hydroxide in kJ/mole.?
  • Calculate the molar extinction coefficient of a biomolecule with a MW of 300 if a 5.0 mM solution in a 1.2 cm?
  • Calculate the molarity of a solution NaOH, if 23.64mL of this solution is needed to neutralize 0.5632g of KHC8
  • Calculate the molarity of a solution that contains 93.5g of potassium chloride,KCI, dissolved in 500.0ml solut
  • Calculate the molarity of the perchlorate ions in an aqueous solution made by diluting 35.0 mL of?
  • Calculate the molecular weight of a gas if 35.44 g of the gas stored in a 7.5 L tank exerts a pressure of?
  • Calculate the number of aluminum atoms in a can that contains 25.0 grams of pure aluminum.?
  • Calculate the number of atoms in 2.0 moles of Al? How do I?
  • Calculate the number of Grams of [NH]4[NO]3 needed to produce 2.88x10^22 nitrogen atoms?
  • Calculate the number of grams of Ca2+ ion present in one calcium tablet.?
  • Calculate the number of moles of Cl- ions in 2.40 L of 0.320 M AlCl3.?
  • Calculate the number of moles of Cl- ions in 2.60 L of 0.260 M AlCl3.?
  • Calculate the number of moles of Na+ ions in 2.40 L of 0.340 M Na2SO4.?
  • Calculate the number of moles of NO3- ions in 1.20 L of 0.280 M Mg(NO3)2.?
  • Calculate the number of moles of NO3- ions in 1.80 L of 0.310 M Al(NO3)3.?
  • Calculate the number of moles of NO3- ions in 3.20 L of 0.220 M Mg(NO3)2?
  • Calculate the number of moles of NO3- ions in 3.40 L of 0.300 M Al(NO3)3.?
  • Calculate the number of moles of Cl- ions in 1.80 L of 0.300 M AlCl3.?
  • Calculate the number of moles of CO2 in an 846 ML container at 76 degrees CELCIUS and 3.5 ATM?
  • Calculate the number of moles of KClO3 that will be required to give 6 moles of oxygen?
  • Calculate the number of moles of NO3- ions in 2.20L of 0.340M Al(NO3)3?
  • Calculate the number of moles of the indicated substance in each of the following samples.?


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