Answer:
the fuel efficiency in kilometers per liter is 16.561 kilometer per liter
Explanation:
The computation of the full efficiency in kilometers per liter is shown below:
39.0 miles ÷ gallon = (39.0 miles ÷ gallon) × (1.6094 km ÷ 1 miles) × (1 gallon ÷ 3.79 L)
Now cut the opposite miles and gallons
So, the fuel efficiency would be
= 16.561 kilometers per liter
Hence, the fuel efficiency in kilometers per liter is 16.561 kilometer per liter
Answer:
Addition of hydrogen in unsaturated hydrocarbons is known as Hydrogenation.
Major product that is formed when 2-butyne is treated with an excess of hydrogen gas and a platinum catalyst is an alkane of four carbon atom known as butane.
Here hydrogen gas is in excess, first but-2-ene will form from the but-2-yne then butane will form from the but-2ene.
1) 
2) 
As shown in the image attached.