What is chemical energy?
a)the form of energy that we perceive with our eyes
b)the energy of motion
c)the energy that does work through chemical reactions

Pinene is an unsaturated hydrocarbon found in pine resin. if pinene has m+ = 136 and contains 1 double bond(s) and 2 ring(s); what is its molecular formula? enter the formula in the form ch first, then all other atoms in alphabetical order; do not use subscripts. the formula is case-sensitive

Select the correct location on the image identify the element that humans need to breathe. 2015 er r ights reserved

How many moles are in 1.26*10^24 particles in significant figures