The Israelites camp at Rephidim and Yahweh provides them water. They are attacked by a local tribe and they win through Yahweh’s assistance.
The Israelites sing a song praising Yahweh for deliverance from the Egyptians. They find bitter water in Marah. The find an oasis in Elim to set up camp.
Yahweh tells Moses that Pharaoh will see him as a god and Aaron as his prophet. Moses and Aaron preform wonders for Pharaoh and his officials. Pharaoh refuses to believe.