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Problem- What is oxidized, if anything, and what is reduced, if anything, in the following reaction: Cu2+(aq) + Fe(s) --> Fe2+(aq) + Cu(s)
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Data for the decomposition of hydrogen peroxide at some set temperature T is include below. The rate law depends only on the concentration of H2O2.
Draw the Lewis dot structure of CNNO2 along with all possible resonance structures, labeling formal charges.
What is the free energy change, ?G°, for the equilibrium between hydrogen iodide, hydrogen, and iodine at 453°C? Kc = 0.020
Which of the following is less soluble in hexane, ethanol or CCl3H(l). Don't try to type the subscripts, just use letters and numbers.
Question- A crystal was analyzed using X-ray diffraction with radiation from a molybdenum source. The observed angle was 11.91°. Determine the distance between layers of the crystal. d= pm?
Problem- for the sequence [(O+N2 arrow NO+N)(1) or (NO+H arrow N + OH)(2)] reaction number (2) is the rate determining step. Is the statement true or false?
The iron content of an ore can be determined by a redox titration using K2Cr2O7 as the titrant. A sample of the ore is dissolved in concentrated HCl using Sn2+ to speed its dissolution by reducing Fe3+ to Fe2+.
If you have a sodium salt of stearic acid and neutralize it with acid, the solubility changes. Explain those relative solubility differences of these two chemical species in a solvent like hexane.
The activation energy of a certain reaction is 35.3 . At 20 , the rate constant is . At what temperature would this reaction go twice as fast?
One beaker contains 50.0 mL g of water at 22ºC, and a second beaker contains 75 mL of water at 53ºC, The water in the two beakers is mixed. What is the water final temperature. Assume water has a density of 1.0g / mL and specific heat capacity for..
A professional scientist measures out eaxctly 100.00cm3 of a liquid, and finds that its mass is exactly 80.000g. What is the density (in g/cm3) of the liquid
question calculate the amount of tris hydroxlmethyl aminomethane tris necessary to make 100ml of a 0.100m tris buffer
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