Were the Arab nations pleased when U.S. gave aid to Israel during Yom Kippur War?

No, Arab nations were not pleased when U.S. gave aid to Israel during Yom Kippur War. In fact, the Arab nations were highly critical of the U.S. for providing aid to Israel, as they felt that it gave Israel an unfair advantage in the war. The Arab nations also saw the U.S. aid as a sign that the U.S. was not impartial in the conflict, and that it was instead biased towards Israel.