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Determine the numbers of grams of the zinc sulfide should precipitate the theoretically if 2 liters of a 4 M aqueous solution of zinc nitrate are reacted with an excess of an aqueous solution of sod
Describe the vapor pressure of a solution which contains the 50.0% by mass sucrose (MW 342 g/mol) in water (MW 18.0 g/mol, density 1.00 g/mL) at a temperature where pure water has a vapor pressure
Determine the population ratio N(v=1)/N(v=0), where v=0 and 1 are the ground and excited vibration states for the HCl at room temperature of 298K? Assume a vibration transition wave number of 2991
Why the temperature would be required to achieve a population of the first excited vibration state of that is 1/2 the population of the ground state?
Calculate the rotational theta temperature for HCl? Calculate the rotational partition function at this temperature by using the classical approximation and rigid rotor model.
What is the population ratio N(J=1)/N(J=0), where J=0 and 1 are the ground and 1st excited rotational levels for HCl at temperature of 278K? Assume a rotation constant B of 10.93cm-1 for Cl-35
If one hydrogen were replaced by bromine, which benzene compound with molecular formula, C6H6 would yield only one mono substitution product.
If 2 liters of a 4 M aqueous solution of zinc nitrate are reacted with an excess of an aqueous solution of sodium sulfide, determine the numbers of grams of the zinc sulfide should precipitate theor
Assume that the reaction for the formation of gaseous hydrogen fluoride from fluorine gas and hydrogen gas has an equilibrium constant which is having the 1.15 * 10 ^2 at a certain temperature.
An ionic solid which is having 25.0 g was dissolved in the 1.00 kg of H2O. The freezing point of the resulting solution was -1.59 ºC. Calculate the ionic solid?
At what temperature would the average speed of an O2molecule be equal to this escape speed? The speed that anybody of mass must have to escape from the earth is 1.07*10^4 m/s^-1. Have
Thylene glycol c2h6o2 IS used in some antifreeze mixtures protection against freezing to as low as -40 degree C is sought. Determine the numbers of quarts of ethylene glycol liquid density 1.11 g/ml
Determine the numbers of liters of ClO2, measured at 0.961 atm and 31 degrees Celsius, will be formed by the 283 L Cl2 atm and 21 degrees Celsius?
How can calculate the total number of moles of sodium contained in the 3.6 g of sodium chloride and 5.6 g of sodium sulfate. Enter answers in scientific notation of the form 2.1E2
How can calculate the binding energy per nucleon for the 45Sc nucleus given that the nucleus has an atomic mass of 44.9443894 when the atomic masses of a proton and neutron, respectively, are 1.007
Determine the pH of the solution after adding 5.00, 15.0, 20.0,22.0, and 30.0 mL of the acid. Combine this information with that in parts a-c and plot the titration curve.
The relative abundance of 40K is 0.0118% its half life is1.28x109 years, and its beta particles have an average kinetic energy of 0.55MeV. The beta decay of 40K that is a natural part o
Suppose .450atm of N2O5 is introduced into an evacuated the 2.00 L flask. At a particular temperature the first order gas phase reaction N2O5-> 2NO2 + 1/2O2 has a half-life for
The air enters at the ambient temperature of the atmosphere and must be heated to internal body temperature at an approximately constant pressure of 1.00 atm in our model.
Determine the initial product at the cathode when an aqueous solution of MgF2 is electrolyzed and how this can be the answer when there is no hydrogen involved in the reaction.
Determine the cell voltage for this reaction assuming the (Fe+2, Fe +3, Cr +3 are 0.1M)? Calculate the reduced and the oxidized? How can write the half reactions for each electrode.
Sketch the scatter diagram of data. Comment on kind of relation which may exist between two variables. Use the graphing utility to compute quadratic function of best fit of these data.
Explain what mass of solid Aluminum hydroxide (Al(OH)3) can be made from the reaction of 250.0 ml of .200 M KOH and 75.0 ml of .500 MAl(NO3)3 ? Discuss in detail.
Estimate your weight if all the Oxygen in your body (=60% of all atoms) were Oxygen 18 instead of the Oxygen 16. Explain all the procedure in a full detail.
What is the partial pressure of each gaseous product if 10.0g of NH4NO3 explodes, determine the numbers of L of gas are generated at 25 degress C and 1 atm?