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A unidentificated corpse was found on April 7th at 7:00 am. The pathologist discovered that there were 1.24 x 10^37 atoms of P-32 remaining in the victim's bones as well as determined the victim expired on March 15th. The half life of P-32 is 14.28 days.Explain how many atoms of P-32 were represent in the bones at the time of death?
What is the maximum amount of iron(III) oxide that can be formed. What is the FORMULA for the limiting reagent.
What volume of 0.0100 M KMnO4 solution is required to oxidize 42.5 mL of 0.0100 M FeSO4 sulfuric acid solution?MnO4- + 8H+ + 5Fe2+ ® Mn2+ + 5Fe3+ + 4H2O
Calculate the pH of the solutions having the following [H+]: a) 0.57 M pH=? b) 1.84 M pH=? c) 3.7*10^-5 M pH=?
Calculate how many moles of sodium phosphate are needed to react completely with 4.6 mol of calcium nitrate( Ca(NO 3 ) 2 ) to form sodium nitrate (NaNO 3 ) and calcium phosphate?
Chlorine is widely used to purify municipal water supplies and to treat swimming pool waters. Suppose that the volume of a particular sample of Cl2 gas is 8.60 L at 899 torr and 28°C.
The volume of the CO2 gas was compute at 1 atmosphere pressure and 0 degrees Celsius (273 degrees K) to be a total of 896 mL of gas. Evaluate the percentage of barium carbonate in the mineral sample.
Why is it possible to add up different balanced chemical equations to form a particular chemical equation and calculate its Kc from multiplying the Kc values of the different equations?
What mass of carbon monoxide in grams is present in a room measuring 10.5 × 11.0 × 20.5 ft?
a 450.0 mL sample of a 0.273 M solution of silver nitrate is mixed with 400.0 mL of 0.200 M calcium chloride. what is the mass of the solid produced
Compaire soltuions 2 and 4. how does the common-ion effect influence the ph of solution 4? explain fully, and calculate the expected ph of each of these soltuions.
Calculate the equilibrium [F-] in a saturated solution of CaF2 and 0.0223 M Ca(NO3)2. Take ionic strength effects into account.
The acid dissociation constant for hypochlorous acid is 3.0X10-8. Calculate the concentration of H3O at equilibrium if the initial concentration of HClO ia 5.5x10-3M
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