Get on mathpapa is shows you the answer and how to explain it
Answer: what is this sorry
Answer:
Option A. the hydroxyl group (-OH)
Explanation:
Ethanol, CH₃CH₂OH belongs to the class of organic compound called alkanol.
They have general formula as R–OH
Where
R => is an alkyl group
OH => is the hydroxyl group
The hydroxyl group (OH) is the functional group of the alkanol (alcohol)
Answer : The correct answer is " System ".
A group of things or part that form a whole is known as system .
Or System can be defined as a interacting or interdependent group of items that is forming a unified whole . For example : Gravitational system , thermodynamic system . These both systems have interacting bodies which influenced by some force .
Or it can be said : A group of parts that are combined to form whole which works a complete unit . For example : computers , telephones etc .
Answer:
3.213J/mol
Explanation:
first specific heat capacity of water = 4200J/Kg K
Q=mass×temperature difference×specific heat capacity
Q=1.53×(24.3-20)×4200
Q=25.704 J
heat of solution= quantity of heat ÷ amount of substance
heat of solution= 25.704÷8
heat of solution= 3.213J/mol