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Whats a radioactive isotope used in healthcare or another field and how is the isotope used.
What type(s) of radioactive decay does the isotope undergo?
How is the isotope used?
calculate the purity of the ammonium chloride in the sample.
Is there a good reason to use a clean filter flask when filtering off your crop of recrystallized product
flask contains 10.0 mL of HCl and a few drops of phenolphthalein indicator. The buret contains 10.0 mL of 0.220 M NaOH. 1. what volume of NaOH is needed to reach the end point of the titration?
When 0.525 grams of a protein were dissolved in 78.6 mL of solution at 16.7 degrees C, the osmotic pressure was found to be 0.067 atm.
hydronium ion concentration using henderson-hasselbalch equation.1. what is the hydronium ion concentration of a
What is the heat change in J associated with 15 g of solid ethanol at -177 oC changing to gas at 146 oC?
At a certain temperature, Kw = 1 x 10-13. This means that pH + pOH = 13 at this temperature. Given this, what is the pOH of 0.05 M Ba(OH)2 at this temperature
If Kp = 1.80 for this reaction, what is the total pressure inside the vessel at equilibrium?
The vapor pressure for water at 20 degrees C is 17.5 mmHg. What is the vapor pressure of water over a solution prepared from 2.00 x 10^2 g of sucrose (C12H22O11) and 3.50 x 10^2 g of water
If we react 116 molecules of TiCl4 with water according to the equation TiCl4 + 2 H2O -> TiO2 + 4 HCl how many molecules of HCl will we form?
The addition of iodide (NaI or KI) often catalyzes SN2 reactions o alkyl chlorides or bromides. explain how by showing reaction equations of what happens.
Choose the answer which lists ionic compounds NaCl, MgS, KCl, and K2S in order of increasing lattice energy (smallest lattice energy listed first).
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