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The rare earth metal terbium is produced from terbium (III) flouride and calcium metal by a single replacement reaction. Given 27.5 g of terbium (III) flouride and 6.96 g of calcium, what is the theoretical yield (in grams) of terbium
A sample containing 2.40 {rm moles} neon gas has a volume of 8.00 {rm L}. Assume that the pressure and the temperature remain constant.
There are four possible p orbital arrangements for the butadiene molecule. Which of the following statements about these orbitals is not correct? A) The four arrangements differ by the number of anti-bonding interfaces in each arrangement.
How many moles of bicarbonate ions, aluminum ions, and oxygen atoms are present in 26.0 g aluminum bicarbonate?
What is the molarity of a solution of vinegar that is 5.00 % by mass acetic acid (CH3CO2H) and has a density of 1.01 g/mL.
If you prepare a liter of 0.02 M acetic acid and 0.01 M sodium acetate, what will be the pH if the pKa of acetic acid is 4.76? b) If you add 1 ml of 5 M NaOH to the 1 liter above, what will be the new pH and the change in pH?
Consider the following reaction at equilibrium. what effect will increasing the volume of the reaction mixture have on the system?
What is the minimum distance that the moving mirror in the FTIR instrument must transit to resolve these two resonances?
what mass of solid LiOH must be added to 1.0 L of 1.35 M hydrofluoric acid solution in order to create a buffer solution
you want a solution that will buffer the addition of either 10 micro moles of acid or 10 micro moles of base. total buffer concentration is equal to the concentration of the acid plus the concentration of salt in the acid. which of the following b..
How many moles of MgCl2 are present in 50.0 mL of 0.800 M MgCl2 solution?
what is the purpose of a buffer system? b)what is the purpose of NaNO2 in the buffer? c)how does the buffer react when some H3O^+ is added? d)how does the buffer react when some OH^- is added?
Provide the arrow pushing mechanism of the Aldol Condensation of tetraphenylcyclopentadienone from benzil
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