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A concentration cell is set up at 298K with 100mM CuSO4 in one chamber and 345mM CuSO4 in the other, as well as Cu electrodes in each. Explain what is the voltage of this cell?
Determine the total number of atoms in this chemical formula and calculate the molar mass of the solute and how many moles of solute are in the solution?
What is the frequency of ultraviolet light with wavelength 2.51 × 10-8 m? (c = 3.00 × 108 m/s)
Consider the addition of 22.59 mL of 0.1643 M aqueous HCl to 19.01 mL of 0.1558 M aqueous NaOH at 25°C. Assuming the volumes are additive, what is pOH of the resulting solution?
The decomposition of NOBr is studied manometrically because the number of moles of gas changes; it cannot be studied colorimetrically because both NOBr and Br2 are reddish-brown.
Another sample of the same compound, of mass 4.14 g, yielded 2.11 g SO3. A third sample, of mass 5.66 g, yielded 2.27 g HNO3. Calculate the empirical formula of the compound.
You need to dilute 30.0 mL of a 2.50 M NaCl solution to make a .500 M NaCl solution. what is the volume of diluted solution after you add water
the tip of a vinegar buret but disappears during the course of the titration, how would this affect your calculation of the concentration of acetic acid
What is the osmotic pressure of a solution made from dissolving 85.0g of glucose in 800ml of water at 19.0 C.
To determine the freezing points of distilled water, 1m glucose, 1m NaCl, 1m CaCl2. Use the freezing point of the pure water as a baseline to determine deltaTf for each of the solutions
the equilibrium constant kc for the following reaction is 7.00e-5 at 673 k. calculate kp for this reaction at this
How large should n be in order to approximate the integral from 0 to 1 sin(X^2) dx accurate to with in .001 using the midpoint rule
What volume of the HN3(aq) made in part b is needed to add to 100.0 mL of the NaN3(aq) solution of made in part a to make a buffer at pH= 5.00
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