11.In 13C NMR spectroscopy, the signal due to this type of carbon occurs furthest downfield. A)–CºNB)C)D)E)–CºC–

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax

What are the 4 phases of matter in order of increasing engery content?