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Draw the Lewis dot structure of ethanol. Estimate the bond angles and the hybrid orbitals found for each carbon and for the oxygen.
A 120.0mL buffer solution is 0.105M in NH3 and 0.135M in NH4Br. What amount of HCl could this buffer neutralize before it fell below 9.0 pH
calculate the molarity of 52.56 grams of al2so43 in 1.80 l of
Vapors are likely to be non-ideal near condensation temperatures. Would you expect such behavior to make your molecular mass to high or too low?
After growing up your protein in E. coli and centrifuging the cells to collect the cell pellet, at what temperature should you store the cells?
What is the maximum mass of aluminum chloride that can be formed when reacting 18.0g of aluminum
Choose the element with more negative (more exothermic) electron affinity from each of the following pairs.
Remember that M1V1=M2V2. What volume of distilled water do you need to add to dilute 10 mL of a 100 mM Tris- HCl buffer solution to a concentration of 10 mM
How much heat (in kJ) is required to warm 13.0 g of ice, initially at -11.0 C, to steam at 111.0 C. The heat capacity of ice is 2.09 J/g C and that of steam is 2.01 J/g C
calculate the expectation values of p and p^2 for a particle in the state n=1 in a square well potential
methane and air in stoichiometric proportions are brought into a calorimeter at 500k. the product compositions is
Show the full mechanism of bromination for both 2,4-nitrophenol
When separated from a water solution, CuSO4 forms a hydrate with 5 water molecules per formula unit. If 38 g of anhydrous CuSO4 are dissolved in water, what mass of the hydrate could be recovered from the solution?
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