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Consider a hypothetical reaction in which A and B are reactants and C and D are products. if 15grams of A completely reacts with 12grams of B to produce 14grams of C, how many grams of D will be
For the reaction SO2(g) + NO2(g) = SO3(g) + NO(g), the equilibrium constant is 18.0 at 1,200 degrees C. If 0.050 M mole of SO2 and 0.10 M moles of NO2 are placed container, what concentration os SO
What molecular ion peak would you expect for compounds having each of the following molecular formulas?
How much energy (in kilojoules) is required to convert 195mL of diethyle ether at its boiling point from liquid to vapor if its density is 0.7138 g/mL? (C4H10O heat of vaporization is 26.5 kj/mol a
A solution of 14. g of a nonvolatile, nondissociating compound in 1.0 kg of benzene boils at 81.7 oC. Calculate the molecular mass of the unknown.
At 900K the following reaction has Kp=0.345. 2SO2 + O2->2SO3. In an equilibruim mixture the partial pressure of SO2 and O2 are 0.145 atm and 0.445 atm respectively. What is the equilibruim parti
What happens when water is heated to extremely high temperatures? Will it ever dissociate back into hydrogen and oxygen atoms is given sufficient heat?
The rate law for the decomposition of N2O5 is rate = k[N2O5]. If k= 1.0 x 10-5(exp) s-1, what is the reaction rate when the N2O5 concentration is 0.0010 mol L -1
Biochemesitry of bse, I need help!!!!!!!!!! with doing this assignment......... How can you help? Anyone? please...........
Chemistry lab, Explain why the addition of S2-ion to Cr(OH)3 does not result in the formation of Cr2S3. The addition of S2- ion to Fe(OH)2 results in the formation of Fe2.
Write a balanced equation for the reduction of 9-fluorenone to 9-hydroxyfluorene by sodium borohydride. What is the limiting reagent in the following procedure?
897.4 grams of sodium sulfide reacts with excess nitric acid. What volume of H2S gas is produced if the reaction is carried out at 760. Torr and 298 K?
The directions tell you to dissolve 680g of sodium hydrogen sulfate, NaHSO4, in 3.4L of water. What is the concentration of this solution in g/100mL?
If 0.50 mol of COCl2 is placed in a 2.0L flask, what will the concentration of all the reactants and products be when the reaction reaches equilibrium at 527 degrees C?
A 4.305-gram sample of a nonelectrolyte is dissolved in 105 grams of water. The solution freezes at -1.23°C. Calculate the molecular weight of the solute. Kf for water = 1.86°C/m.
Calculate the volumetric size of a water molecule in vapor, assuming 1 mole of the vapor occupies 22.4 L, as if the vapor were an ideal gas.
The antifreeze in a car was a 50% by weight solution of ethylene glycol C2H6O2 in water. Calculate the boiling point and freezing point of this solution. (for H2O: Kb= 0.52 C/m... Kf=1.86 C/m.
Calculate the maximum number of moles and mass of iodic acid (HIO3) that can form when658 g iodine trichloride reacts with111.2 g water. What mass of the excess reactant remains?
Calculate the vapor pressure of the solver over the solution at 25 degrees C. The vapor pressire of pure water at 25 degrees C is 23.8 mm Hg.
Suppose we start with 0.300 mol of N2O5(g) in a .500L container. How many minutes will it take for the quantity of N2O5 to drop to .030 moles?
What is the force of attraction between the two, if the separation is the Bohr radius? Give answer in nN (nanoNewtons), 2 significant digits. Make sure you use the Coulomb law written in SI units
Compute the momentum of a water molecule at normal conditions, assuming its kinetic energy (mv2 /2) is equal to (3kB T/2).
How much work is needed to lift a water molecule by 15 km? Pretend that the gravity force is the same throughout. Give answer in Joules, 2 significant digits.
You have just made a solution by combining 50 mL of a 0.1 M sodium acetate solution with 150 mL of 1 M acetic acid (pKa = 4.7). What is the pH of the resulting solution?
How many mL of an ethanol-water solution prepared by dissolving 15.0 cm3 of ethanol (density= 0.789 g cm-3) in sufficient water to produce 120.0 cm3 of solution