Answer:
89.6L
Explanation:
1mole of any gas occupies 22.4L. This simply means that,
1mole of CO2 occupies 22.4L at stp.
Therefore, 4moles of CO2 will occupy = 4 x 22.4 = 89.6L
You didn't send a picture. But the activation energy is always the difference between the starting point and the highest point in the graph
The alkalies are a part of unsaturated hydrocarbon
So it should be B.) ethyne
because methyne aka Ch4 is the most common