III) Answer the following questions: 1) State Boyle's Law. 2) Give 3 contributions of the scientists given below: a) Robert Boyle b) Lavoisier c) John Dalton d) Mendeleev 3) Distinguish between physical and chemical change. 4) Name the Father of Modern Chemistry.
Answers & Comments
Verified answer
Answer:
1) Boyles law is an experimental gas law that describes how the pressure of a gas tends to decrease as the volume of the container increases.
2a) Robert Boyle gave Boyles law
b) Antoine Lavoisier gave law of conservation of mass.
c) John Dalton gave law of multiple proportions.
d) Mendeleev claimed the famous periodic law that “Element properties are a periodic function of their atomic weight.” Mendeleev placed elements in the order of their atomic weights in the form of a table known as the Periodic Table of Mendeleev.
3) In physical change no new substance formed. Also the change is irreversible. Chemical change new substance formed and irreversible.
4) Father of modern chemistry is Antoine Lavoisier