fats and oils

Question 1

define fatty acids

Answer 1

long chain carboxylic acids

Question 2

give the state of fats

Answer 2

solid

Question 3

give the state of oils

Answer 3

liquid

Question 4

why are fats and oils insoluble

Answer 4

only 1 lot of Hydrogen at the end that can H bond

Question 5

define biofuel

Answer 5

alternative fuel to fossil fuels

typically composed of:
vegetable oil, animal oil/fats, tallow, waste cooking oil

Question 6

what is the name of the process that converts oil to biodiesel

Answer 6

transesterfication

Question 7

why is most biodiesel produced using base - acid transesterification

Answer 7

most biodiesel is produced using a base acid transesterification as it is an economical process requiring low temperature and pressure and produces 98% yield

Question 8

why must the alcohol be in excess in transesterification

Answer 8

alcohol must be in excess in transesterification to drive the reaction towards the right and ensure complete conversion