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Problem- What is the minimum uncertainty in the speed of an electron confi ned to within a lead atom of diameter 350. pm? Model the atom as a one-dimensional box with a length equal to the diameter of the actual atom.
Rework your solution from the beginning and check each step carefully.
If 24 g of SiO2 is reacted with an excess of carbon, what volume of gaseous carbon monoxide will be produced at a temperature of 17°C and a pressure of 735 mm Hg?
calculate the amount of energy in kilojoules needed to change 153g of water ice at -10 C to steam at 125 C.
Sufficient of a monoprotic acid is dissolved in water to produce a 0.0133 M solution. The pH of the resulting solution is 2.42. Compute the Ka for the acid.
What must be the velocity, in meters per second, of a beam of electrons if they are to display a de Broglie wavelength of 83.7 ?m?
toluene c6h5ch3 is a liquid used in the manufacture of tnt. its normal boiling point is 111.0oc and its molar heat of
what mass of oxygen gas measured at 238 k and 3.51 atm is required in order to release 6670 kj of heat to the
Question- Determine the bond order for the following species f2^2+ , f2^1- , f2 , f2^2+ . List the species in order of increasing bond engery and in order of increasing bond length. Explain these facts with diagram that show the sequence and occup..
The density of liquid oxygen at its boiling point is 1.14 {kg/L} , and its heat of vaporization is 213 {kJ/kg} . How much energy in joules would be absorbed by 4.0 L of liquid oxygen as it vaporized?
Find the equilibrium partial vapor pressures at 20°C solution of 100 g of benzene plus 100 g of toluene. Find the mole fractions in the vapor phase that is in equalibrium with the above solution.
Propose a mechanism for the following reaction. Be sure to show all the steps and the reactive intermediates
what is the weight of O in 742.0 g of citronella oil that has the chemical formula C10H18O
An analysis of fatty acids is desired. These fatty acids have boiling points in excess of 275O C. The sample is extracted with methanol to obtain a solution that only contains the fatty acids.
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