Given the structure of Se analog of an S8 ring structure and the atom numbering scheme as shown below,

Give the number of peaks in the 77Se (I = 1/2 , 7.6%) NMR spectrum of the compounds with substitution of Se in S positions indicated:
1. Se substitutions in positions 1 and 2
2. Se substitutions in positions 1 and 3
3. Se substitutions in positions 1, 2 and 4

Will mark brainliest26. which of these statements are true? (3 points)a. gases are compressibleb. gases fill their containers completelyc. the pressure of a gas is independent of the temperatured. gases have masse. gases exert pressuref. the pressure of a gas is dependent on the volumeg. gas pressure results from the collisions between gas particlesh. gases have a definite volume and shape

The wave shown on the electromagnetic spectrum disturb the medium it passes through a)different frequency. b)the same frequency .

Which describes fat? a: a carbohydrate that produces energy b: a nucleic acid that directs cell function c: a lipid that stores energy d: a protein that speeds up a chemical reaction