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A voltaic cell employs the following redox reaction:
Sn^2+(aq)+ Mn(s)--> Sn(s) + Mn^2+(aq)
Calculate the cell potential at 25 under each of the following conditions.
a.)[Sn]= 1.51E-2 M [Mn]= 2.52M
b.)[Sn]= 2.52 [Mn]= 1.51E-2 M
Use the periodic table to write electron configurations for each of the following elements. Represent core electrons with the symbol of the previous noble gas in brackets. For example, [He]2s^2 2p^2.
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The entropy increase after mixing 2 moles of oxygen 1 mole of nitrogen, which were prepared at the same pressure and temperature, is (in J/K). (Pretend oxygen and nitrogen are ideal gases)
if i have 0.621 mole of potassium chlorate that decomposes by heat, what is the amount of the oxygen in moles?
CaC2 (s) + 2H2O (l) → C2H2 (g) + Ca(OH)2 (aq) If 32.0 g CaC2 are consumed in this reaction, how many moles of H2O are needed?
in certain cases calcium hydroxide and sulfuric acid react to produce calcium bisulfate and water. when 0.0720 mol
Why do ldehydes and ketones have lower boiling points than alcohols with similar molar mass?? Why are they higher than alkanes?
Derive the rate law, and show that this reaction may follow the first-order equation at high pressures and the second-order equation at low pressures.
Barium azide is 62.04% Ba and 37.96% N by mass. Assuming that barium exists as its most stable cation in the above compound, what is the molecular formula of barium azide, how many nitrogen atoms compose an azide ion, what is the charge on an azid..
Assume that an incorrectly adjusted lawn mower is operated in a garage such that the combustion reaction in the engine is:
Calculate how many milliliters of 0.100 M HCl shoule be added to how many grams of sodium acetate dihydrate (NaC2H3O2 x 2H2O) at 5 degrees C to prepare 250.0 mL of a 0.100 M buffer at a pH=5.00. At 5 degrees C
How many hydrogens are in C16H?, which has 3 ring(s) and 8 double bond(s)? How many hydrogens are in C8H?O2, which has 2 ring(s) and 1 double bond(s)
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