# 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.?