Identify the compounds A, B, C and D in the following sequences of reactions:
CH3CH CH2 Ch > A Mg, ether B-CO2, ether >c_H2O/H4>D

How did planetesmals form planets? a. they broke apart into smaller chunks.b. they collided and stuck together.c. they cooled and pulled ice together.d. they began to rotate.

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

Which proportionality applies to avogadro’s law?