Catalytic hydrogenation is classified as a 1,2-addition reaction. in this experiment, hydrogen was added to the alkene of 1-decene in a syn (cis) fashion. a) in the context of this reaction, explain what is meant by the term syn addition. b) explain the role of platinum metal (pt) in this syn addition reaction.

Aroller coaster is traveling at 13 mi./s when you purchase a hill that is 400 m long and down the hill exonerate at 4.0 m/s squared what is the final velocity of the posterior found your answer to the nearest number

Ab c or d ? i’m not sure what the answer is

What energy conversion occurs when a sling shot is used to shoot a rock across the room? (2 points) question 2 options: 1) stored mechanical energy is converted to mechanical energy. 2) stored mechanical energy is converted to radiant energy. 3) gravitational energy is converted to radiant energy. 4) gravitational energy is converted to mechanical energy.