Deduce the structure of an unknown compound using the data below. Molecular formula: C4H8O IR: 1717 cm-1, no IR absorptions above 3100 cm-1. NMR δ 0.95 (3H, t, J = 8 Hz), δ 2.03 (3H, s); δ 2.38 (2H, q, J = 8 Hz) ppm

What three natural resources are found in the great lakes region

Identify the electromagnets with poles that are reversed from the electromagnet shown above

Which of these is an example of pseudoscience? a) predicting the time of sunrise based on data on position of earth b) predicting the date of the moon phases based on data on position of earth c) predicting eclipses based on the position of the sun and the moon d) predicting future events in a person's life based on the position of the moon