Lutetium-177 is an ideal therapeutic radioisotope because it is a strong β emitter and emits just enough γ radiation to enable imaging. What is the stable daughter nuclide produced from the decay of this radioisotope?

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.

The rate constant for the reaction below is 6.2 x 10−5 mol l−1 s −1. if the initial concentration of a is 0.0500 m, what is its concentration after 115 s?