Sodium-22 undergoes electron capture. Identify the resulting isotope.

A KCl solution is prepared by dissolving 25.0 g KCl (74.55 g/mol) in 250.0 g of water at 25°C. What is the vapor pressure of the solution if the vapor pressure of water at 25°C is 23.76 mm Hg?

Uranium-235 decays by alpha emission. What isotope is also produced by this transformation?

Which of the following aqueous solutions will have the highest boiling point?

The rate constant for the second order reaction 3A → 4B is 6.00 × 10–3 M–1 min–1. How long will it take the concentration of A to drop from 0.75 M to 0.25 M?  

The only stable isotope of aluminum is aluminum-27. What type of radioactive decay should be expected from ?

Calculate ΔG° for the following redox reaction. E°=-0.93V 2 Ag(s) + Pb2+(aq) → Ag+(aq) + Pb(s)

Which of the following aqueous solutions will have the highest boiling point?

Place the following in order of increasing entropy at 298 K. C2H6(g), Pb(s), Mg(s), CH4(g)

From the following list of aqueous solutions and water, select the one with the highest boiling point.