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Two students scouring an archaeological site found what appeared to be fossil remains. The specimen was found to have a ratio of 14C/12C 0.795 times that found in current living plants. What would be the estimated age of the fossil remains? The half-life for carbon -14 is 5720 years.
a what is the concentration of baoh2 in abaoh2 solution if the ph is 8.25?b what is the concentration of ammonium ion
A 1.80 M solution of 56 ml is diluted to a volume of 218 milliliters a portion of that solution of 109 milliliters is diluted using 149 milliliters of H2O. determine the final concentration of this solution
Compute the equilibrium partial pressures of Carbon dioxide and CO gases. If equilibrium constant Kp for this reaction =1.52,
Consider the following reduction potentials: Cu2+ + 2e- -> Cu E° = +0.34 V Pb2+ + 2e- -> Pb E° = -0.13 V For a galvanic cell employing the Cu, Cu2+ and Pb, Pb2+ couples, calculate the maximum amount of work that would accompany the reaction of one..
In the lab Synthesis and Characterization of Mo2(O2CCH3)4 as well as K4Mo2Cl8 Compounds that contain metal-metal quadruple bonds, the reaction is done under nitrogen. Why. Suggest possible reactions that may take place in the presence of air.
How much heat is absorbed when 28.3g H2O(s) at 0 degrees celcuis is converted to liquid at 0 degrees celcius
at 25omicron c an aqueous solution containing 35.0wt h2so4 has a specific gravity of 1.2563. aquantity of the 35
A chocolate caramel pecan piece of candy contains 115 food calories (CaI). If the heat energy contained in the piece of candy were transferred to 53.5 kg of water at 25.0 C, what would be the final temperature of the water? [Specific heat of H2O =..
Question- Calculate the nuclear binding energy (in J) and the binding energy per nucleon for the following isotope K (39.96400 amu).
Consider the reaction Br2(g) 2 Br(g), which is endothermic as written. What would be the effect on the equilibrium position of decreasing the temperature
Question- Write The Proper Chemical Formula for the following compounds: Copper(II) nitrate cobalt(II) nitrate, nickel(II) nitrate, iron(III) nitrate, hydrochloric acid, ammonium hydroxide, acetone and dimethylglyoxime
Explain why Lewis dot structure for S2Cl2 IS Cl - S - S - Cl why does the two sulfurs have to be beside each other and the two chlorines have to be the first and last?
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