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For a Voltaic Cell involving Pb as the anode and Ag as the cathode, what would be the initial voltage of the cell if the initial concentration of Pb2+ was 0.5M and Ag+ was 0.1M
calculate the number of moles of sodium carbonate present in a mixture of sodium bicarbonate sodium carbonate and a
A voltaic cell is constructed in which the cathode is a standard hydrogen electrode and the anode is a hydrogen electrode (P(H2)= 1atm) immersed in a solution of unknown [H+].
the net atp yield for the complete oxidation of a single glucose molecule is 30 atp. phosphorolysis saves energy and
On average, how many collisions between nitrogen molecules and oxygen molecules will occur in one second in 1.00 cm3 of air at 25oC and 1.00 bar
Describe how you would prepare each of the following aqueous solutions. - 230 g of a solution that is 0.60 molal in Na2CO3 starting with the solid solute. - 1.30 L of a solution that is 18.0% Pb(NO3)2 by mass. (density = 1.16 g/mL)
A buffer is made by mixing HCN and KCN to give a solution whose pH is 9.49. If the KCN molarity is 0.20 M, what is the molarity of the HCN?
The sides of a rectangular block of solid copper metal are measured to be 8.26 cm, 29.84 cm and 0.92 cm (length, width and height). Determine the volume of this block in cm3 to the correct number of significant figures.
iron has a density of 7.874 gcm3. what is the mass of a rectangular block of iron with dimensions of 3.000 cm by 4.000
Compare the amount of cooling experienced by an individual who drinks 400mL of water (0 degrees C) with the amount of cooling experienced by an individual who sweats out 400 mL of water at 37 degrees Celsius. Assume all sweat evaporates.
A 0.440 g sample of butyric acid (an organic acid consisting of C, H, and O atoms) is combusted in excess oxygen, yielding 0.882 g CO2 and 0.360 g H2O.
If the cell potential for a voltaic cell is 0.250 V, and the reduction potential for the oxidation reaction is ?0.150 V, what is the reduction potential for the reaction occurring at the cathode
Determine How many mg of a 298 mg sample remains unreacted after twenty three days if 32P decompose by a first-order mechanism, half-life = 14.3 days.
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