Deduce the structure of a compound of molecular formula c5h10o and a strong infrared absorption at 1715 cm-1 which exhibits the following 1h nmr spectrum.

Nan element’s square on the periodic table, the number with the greatest numerical value represents the

The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?

If you try to move a piano and are unable to move it, did you perform any work in the scientific sense of the word? yes? or no? this question is worth 20 points! let it be correct!