URGENT!!

Why is balsa instead of
birch wood used in the
construction of model
airplanes?

What is the overall order of reaction for rate = k[no2]2 ? second order 3/2 order third order zero order none of the listed answers are correct

How much energy is made when a pice of wood burns. how do you know

Predict whether the changes in enthalpy, entropy, and free energy will be positive or negative for the boiling of water, and explain your predictions. how does temperature affect the spontaneity of this process?