The boiling point of a solution containing 5.35 g of a nonvolatile hydrocarbon in 102.2 g of acetone is 56.60°C. What is the molecular weight of the hydrocarbon?
For acetone, Tb = 55.95°C and Kb = 1.71 °C/m

Classify this reaction: 2al+n2-> aln.

An atom's configuration based on its number of electrons ends at 3p4. another atom has seven more electrons. starting at 3p, what is the remaining configuration? 3p63d34s2 3p43d54s2 3p64s23d3 3p44s23d

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a.the mitochondria b.the nucleus c.the vacuoles d.the endoplasmic reticulum