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The atomic spacing in rock salt, NaCl, is 0.282 nm. Find the kinetic energy (in eV) of a neutron with a de Broglie wavelength of 0.282 nm. Is a relativistic calculation needed? Such neutrons can be used to study crystal structure.
calculate the change in internal energy when 2 moles of CO are converted to 2 moles of CO2 at 1 bar and 25 degrees C
525mL of 1.50M NaCl is added to a beaker containing 378mL of 2.22M AgNO3, resulting in the formation of AgCl precipitate.
if 47.2 g of n2o4 is introduced into an empty 1.84 l container what are the partial pressures of no2 and n2o4 after
If you fill the larger tank with oxygen to a pressure of 155 atm, to what pressure should you fill the acetylene tank to ensure that you run out of each gas at the same time? Assume ideal behavior for all gases.
If electricity of sufficient voltage is passed into a solution of potassium iodide in water, a reaction takes place in which elemental hydrogen gas and elemental iodine are produced, leaving a solution of potassium hydroxide. Write the unbalanced ..
If you wanted to adapt this procedure to prepare the analogous propoxy compound, how much propyl iodide would you have to use to carry out the reaction on the same scale?
Describe the most likely effect of temperature, catalyst loading, and concentration on the rate of a diazo coupling reaction.
A radioactive sample was analyzed seven times for the isotope ratio with a mean of 1.52793 and a standard deviation of 0.00007. find the 99% confidence interval for the sample
1. Write the net ionic equation for the reaction of aqueous sodium chloride with aqueous silver nitrate. 2. What is the net ionic equation of the reaction of FeCl2 with NaOH
What is the relationship between the following pairs of molecules. D-galactose and L-galactose. D-galactose and D-glucose
A 0.3288 g sample of a hydrocarbon(a compound of carbon and hydrogen ) was burned in air. The samplewas completely converted to 1.0562 g of carbon dioxide and0.5046 g of water. Find the emprical formula of the compound.
The small bags of silica gel you often see in a new shoe box are placed there to control humidity. Despite its name, silica gel is a solid. It is a chemically inert, highly porous, amorphous form of SiO2
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