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. At STP, a galvanic cell was set up having the following half-reactions.
Fe2+(aq) + 2e- → Fe(s) -0.41
Cu2+(aq) + 2e-→ Cu(s) 0.34

The copper half-cell contained 100.0 mL of 1.00 M CuSO4, The lead half-cell contained 50.0 mL of 0.100 M FeSO4, to which was added 50.0 mL of 0.300 M NaOH. The cell potential was measured to be 1.155 V. What is the concentration of Fe2+ in the iron half-cell?
Would a fishing sinker dropped into an ice-covered lake reach the temperature of the lake water more quickly if the sinker was made of iron or lead? Use
your data on the specific heats of these metals to explain your answer.
(Assume the sinkers have a starting temperature of 37 degrees C and have the same shape and mass.)
One way to identify the composition of metal fragments found at the site of an explosion is to measure the specific heat of the fragments. suppose a
fragment is found to have a specific heat of 0.129 J/(g.°C). Would this information alone be enough to identify the metal in the fragment? Explain why or why not. If not, suggest a method for identifying the metal that would not require any additional equipment.
Do acetic acid and barium hydroxide give barium acetate and water?
Gas A, which is the major cause of global warming, combines with di hydrogen oxide B in nature in the presence of an environmental factor C and a green material D to form a six carbonic organic compound E and gas F.The gas F is necessary for breathing.
(1) What is gas A?
(2)What is the common name of B?
(3)What do you think could be C?
(4)What is material D?Where it is found?
A)CHO-CH(Cl)-CH2-CH2-CH(Br)-CHO B)CHO-CH(Br)-CH2-CH2-CH(Cl)-CHO c)CH2=C(Cl)-CH(Br)-C ≡CH state proper IUPAC name of the compounds? ANDalso express the IUPAC RULES FOR THOSE THREE NAMINGS PLEASE
DEAR SIR
IN DETERMINATION PERCENT Na3PO4 AS P2O5% WHAT IS EQUIVALENT GRAM P2O5,E=M/n WHAT IS n FOR P2O5?
BEST REGARDS
IN H2S TITRATION WITH POTENTIOMETRIC INDICATION IN UOP-163 WHY ELECTRODE PREPARATION IS NEEDED?(SILVER ELECTRODE COATED WITH Ag2S?)
determination of ph of acid solution like 0.1m hcl, 0.05m hcl, 0.025m hcl, and 0.0125m hcl by using quinhydrone and calomel electrode.
What is the order of acidity among Phenol, Acetic acid, Trichloroacetic acid, Propanoic acid ?Explain.
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