1 mole of an alkane gives 2 moles is correct answer
The first one is exothermic because energy is a reactant, the second formula is endothermic
Lipid you can look up the chemical structures and lipids are the longest which make them the largest
It is often a sign of kidney problems. :)
Abiotic are nonliving things. So just name 6 nonliving things in finding nemo