▼tn The construct has “young men of the Israelites,” and so “Israelite” is a genitive that describes them.

▼tn The verbs and their respective accusatives are cognates. First, they offered up burnt offerings (see Lev 1), which is וַיַּעֲלוּ עֹלֹת (vayyaʿalu ʿolot); then they sacrificed young bulls as peace sacrifices (Lev 3), which is in Hebrew וַיִּזְבְּחוּ זְבָחִים (vayyizbekhu zevakhim). In the first case the cognate accusative is the direct object; in the second it is an adverbial accusative of product. See on this covenant ritual H. M. Kamsler, “The Blood Covenant in the Bible,” Dor le Dor 6 (1977): 94-98; E. W. Nicholson, “The Covenant Ritual in Exodus 24:3-8,” VT 32 (1982): 74-86.