Determine the cell potential for the galvanic cell
Determine the cell potential for the galvanic cell described below. Pt(s) | BrO4- (10.6 mM), BrO4- (4.9 mM), pH 6.17 ¦ NO3- (12.6 mM), pH 3.2 | NO3(g) (102 mbar) | Pt(s)
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22.4 liters of a gas weighs 70g at S.T.P. Calculate the weight of the gas if it occupies a volume of 20 liters at 27C and 700mm Hg of pressure.
What is the pH of a solution prepared by mixing 50.00 mL of 0.10 M methylamine, CH3NH2, with 20.00 mL of 0.10 M methylammonium chloride, CH3NH3Cl?
Consider two identical rooms: one room has a refrigerator in it, the other does not. All the doors and windows in each room are closed and both rooms are well insulated.
Chlorine has an average atomic mass of 35.453 amu. The main isotopes of chlorine are 35Cl which has an atomic mass of 34.968 amu and 37Cl, which has an atomic mass of 36.956amu. Given this, what is the percent abundance of each isotope in natural
How many liters of softened water, containing a sodium concentration of 5.8×10^-2% sodium by mass, have to be consumed to exceed the FDA recommendation (less than 2.4 g sodium per day)? (Assume a water density of 1.0 g/mL.)
What kind of metals are often recommended for use at low temperatures, particularly when any sudden loading of the part is expected?
A gas cylinder containing 6.38 mol of neon has pressure of 491mmHg at 295k. If 3.22mol helieum is added at constant temp and pressure, what will be the pressure in the cylinder.
when 92.0 grams of nonionic compound were dissolved in 985 grams of water, the freezing point of the solution was found to be -4.05 degrees celsius. what is the molar mass of this nonionic compound?
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