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How do I determine if an ionic compound has the crystal structure of a simple cubic, a body-centered cubic or a face-centered cubic? E.g. NaCl has a structure based on a face-centered cubic lattice. Why is that?
Calculate the average molar bond enthalpy of the carbon-chlorine
Find the activity of water in this sucrose solution, given that the vapor pressure of pure water at 25 degree C is 3.167 kPa. (b) If a 2.00 mol/kg aqueous sucrose solution has a vapor pressure of 3.033 kPa at 25 degree C, find the activity and act..
The molar enthapy of fusion for water is 6.008 kJ/mol. calculate the molar enthapy of vaporization of a substance if 0.652 mol of the substance absorbes 6.411 kJ when it melts.
Due to decay of ^40K, cow's milk has a specific activity of about 6x10^-11 mCi per milliliter. How many disintegrations of ^40K nuclei are there per minute in 1.0 qt of milk
you have prepared a saturated solution of x at 20c using 27.0 g of water. how much more solute can be dissolved if the
Which do you think would be larger and why? The first ionization energy, IE1, of Ne,The second ionization energy, IE2, of Na
A 110.0 mL sample of a solution that is 3.0×10^?3 M in AgNO3 is mixed with a 220.0 mL sample of a solution that is 0.13 M in NaCN. After the solution reaches equilibrium, what concentration of Ag+(aq) remains
Explain the Reaction, If you treat an aldehyde wiith HCN you produce a cyanohydrin. For example
A certain carbon-hydrogen compound contains 84.1% C by mass and the remainder is hydrogen. What is the empirical formula of the compound
A chloroform-ethanol solution at 35 oC with ?ethanol=0.200 in the liquid phase has a vapor pressure of 304.2 torr and a vapor composition of Yethanol= 0.138. Calculate the activity and activity coefficient for ethanol in this solution
design a series of reactions to convert ethanol to 2-butanol. You can use other inorganic reagents you need, but only ethanol
Write the chemical equation for all the reactions both SN1 and SN2 involving primary and secondary substrates
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