- Ibuprofen, a common pain reliever, contains 75.7% C, 15.5% O, and 8.80% H by mass. What is the empirical formula

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

Which of the following contributes to the structural rigidity of cellulose? adjacent glucose polymers are stabilized by hydrogen bonding. glucose residues are joined by (α1→4) linkages. cellulose is a highly branched molecule. the conformation of the glucose polymer is a coiled structure.

The gulf stream is a warm water current that flows away from the equator to northern europe. witch of these does it cause. a. crashes of warm and cool water in the ocean b. colder climates near the equator c. large waves on the cost of europe d. warm climates in northern europe