This double expression means "everywhere." It is parallel to "among the nations" and "in every place" (See: [[rc://en/ta/man/jit/figs-merism]] and [[rc://en/ta/man/jit/figs-parallelism]])
Here "my name" stands for Yahweh's reputation and honor. Alternate translation: "I will be honored in other nations" (See: [[rc://en/ta/man/jit/figs-metonymy]])
This may be expressed in active form. Alternate translation: "in these nations people will offer incense and pure offerings to me in order to worship me" (See: [[rc://en/ta/man/jit/figs-activepassive]])