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Ionic solids containing the alkali metals such as lithium, sodium and potassium are naturally occurring in great abundance. Yet the alkali metals are never found in their pure (zero valence) form. Why is this?
1. What happens to the value of the equilibrium constant for a reaction if the reaction equation is reversed? Multiplied by a constant?2. What is the effect of a change in volume on a chemical reaction (that includes gaseous reactants or products) in..
Write the half reactions and the net cell reaction for the following cell. Calculate the cell potential. S.C.E. || MnO4- (aq, 0.035 M), Mn+2 (aq, 0.022 M), pH = 4.50 | Pt(s)
the average distance between mars and earth is about 1.3 108 miles. how long would it take tv pictures transmitted from
Calculate the pH and pOH of a solution that has an OH- concentration of 3.1 x 10-2M. Calculate the pH and pOH of a solution that has H3O+ concentration of 1.3 x10-6M
what is the change in pH after addition of 10.0mL of 1.0M sodium hydroxide to 90.0mL oof a 1.0M NH3/1.0M NH4+ buffer? (Kb for ammonia is 1.8 X 10-5)
To that extent, the medical use of radioactivity that is known as isotope-scanning, is often considered as being extreme. What are the dangers of this procedure? Do the pros outweigh the cons?
Recognize the stable nuclide that is the end product in the natural decay chain that includes the secondary natural radionuclide Bi-214.
a sample of 1.0 mole of a perfect gas with cp 20.8 j k-1 is initially at 3.25 atm and 310k. if it undergoes reversible
A New Yorker travels to New Jersey to buy a $100 telephone answering machine. The New Jersey company that sells the machine then deposits the $100 check in its account at a New York bank. How would these transactions show up in the balance of payment..
Calculate the wavelength of a photon emitted when the electron in a Li2+ ion relaxes from the n=6 energy level to the n=4 energy level.
considering this given equation as 2no o2 --gt 2no2 this is believed to occur by the mechanism 2no--gt n2o2
calculate the ph at the equivalence point for the titration of a solution containing 1250.0 mg of hilariamine mw
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