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Write the half reactions and overall reaction for each cell with calculated overall potentials using the values for reduction potential given in Table 5-1. (Note: for the iron solutions, the Nernst equation must be used).
a) Cu(s) | Cu(NO3)2 (0.1M) || Fe3+(aq) (0.1M)/ Fe2+(aq) (0.1M)| graphite(s)
b) Pb(s) | Pb(NO3)2 (0.1M) || Fe3+(aq) (0.1M)/ Fe2+(aq) (0.1M)| graphite(s)
c) Zn(s) | Zn(NO3)2 (0.1M) || Pb(NO3)2 (0.1M) | Pb(s)
Explain in general terms what a reference sample is and what its purpose is in spectrophotometry.
How many liters of nitrogen dioxide are produced? Temp and pressure were constant. Must show work.
The subsequent reactions adding in any necessary other reactants to perform the following transformations and indicate mechanism likely to take place during the reaction.
A 40.2 L volume of methane gas is heated from 25°C to 86°C at constant pressure. What is the final volume of the gas?
we can calculate kb for the carbonate ion if we know the ka values of carbonic acidh2co3.a is ka1 or ka2 of carbonic
When 3 methyl 1 butane reacts with Hbr, two alkyl halides are formed: 2 bromo 3 methylbutane and 2 bromo 2 methyl butane. Propose a mechanism that explains the formation of these products.
weigh out about 10 g of naoh pellets and transfer them to 1 l bottle preferably plastic as naoh etches glass. add about
What do u mean by H+ ion?
Why do aldehydes undergo nucleophilic addition faster than ketones? Explain based upon the transition state (applying Hammond's principle) and electronic and steric actors.
Determine the pH of a 0.0034 M HNO3 solution. I don't know what to do. My teacher is out and our student teacher is not teaching as well as he should be.
the vapor pressure of a solution containing 53.6 g glycerin c3h8o3 in 133.7 g ethanol c2h5oh is 113 torr at
Problem- Anyone who can help with R and S nomenclature on enantiomers I tried the prioritizing of substituent groups and still missed several problems. The wording in the books is so thick and superfluous.
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