Which of these is a compound?
a)air
b)sugar c12h22o11
c)the alloy steel
d)nitrogen n

Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.

How does the presence of oxygen affect the chemical pathways used to extract energy from glucose?

The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?