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Calculate the cell potential (Ecell) of an electrochemical cell with Mg/Mg2+ and Fe/Fe2+ electrodes. [Mg2+] = 0.200 M and [Fe2+] = 0.050 M.
Fe2+ (aq) + 2 e- ? Fe (s) E° = -0.45 V
Mg2+ (aq) + 2 e- ? Mg (s) E° = -2.37 V
Which of the following correctly summarizes the exact relationships between the SN values of 2 to 6, the hybrid orbital names, and the predicted geometries for molecules that have hybridized central atoms?
A solution of methylamine CH3NH2 has a pH of 10.64. How many grams of methylamine are there in 100.0 ml of solution
customers complain that the plants they buy look "different" when they get them home. The electric bill to run the store is excessive.
If equal masses of H2 and O2 (100.0 grams each) are reacted together to produce water, how many grams of water could be produced.
Application of ideal gas law - How high can you raise the temperature of the gas without bursting the vessel?
Write a nuclear reaction for the neutron-induced fission of U-235 to produce Te-137 and Zr-87? How many neutrons are produced
Chlorine-36 is a B emitter, with a half-life of 3.0*10^5years. How many beta particles are emitted in 1.5 min from a 5.4mg sample Chlorine-36?
Assuming that the smallest measurable wavelength in an experiment is 0.410 fm (femtometers), what is the maximum mass of an object traveling
What is the pH of the buffer that result when 12 g of NaH2Po4 and 8.00 g of NaHPO4 are diluted with water to a volume of 0.50 L ? ( Ka of H2PO4- = 6.2*10^-8 , the molar masses of NaH2PO4 and Na2HPO4 are 120.0 g/mol and 142.0 g/mol respectively )
A sample of vinegar (dilute acetic acid) weighing 5.056 g is titrated with 30.25 mL of 0.1022 M NaOH. What is the weight percent of acetic acid (CH3COOH) in the sample
Draw a doagram to show the changes in potential energy that occur from the rotation around the C1-C2 bond of 1-bromopropane
Background: Lake Lianna is fed by two rivers, the Matthew and the Andrew. You have made careful water chemistry measurements throughout the year and found that the two rivers have the following pH and alkalinity
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