1)
Why does it say "Lo Tzivisi"?
1.
Refer to 7:31:2:1-3.
2)
Why does it say also "v'Lo Alsah Al Libi"?
3)
Why is "Hachati" written without an Aleph?
1.
Radak: We find like this - "Asher Hecheti Es Yisrael Bah Halach" (Melachim II, 13:6).