1)
How will He make His name known?
1.
Malbim: I will show Yisrael that I conduct them in the way of Kedushah ? elevation above nature. "V'Yad'u ha'Goyim" ? also the nations will know this!
2)
What Chilul Hashem will cease?
1.
Rashi: The lowliness of Yisrael is Chilul Hashem ? they say "Am Hashem Eleh" (36:20) and He could not save them.
2.
Radak: When Galus extends, His name is profaned among the Goyim. It is as if He Himself profanes it!