PLEASE HELP ASAP WILL MARK BRAINLIEST

Which group among the following includes flavoring agents such as almond, cinnamon, and vanilla?

alcohols
aldehydes
halocarbons
carboxylic acids

Kc = 0.040 for the system below at 450oc. if a reaction is initiated with 0.40 mole of cl2 and 0.40 mole of pcl3 in a 2.0 liter container, what is the equilibrium concentration of cl2 in the same system? pcl5(g) ⇄ pcl3(g) + cl2(g)

What is the empirical formula for c4h8o2

How do dying stars contribute to the formation of planets