Question

(i) Give the empirical formula of benzene (C₆H₆)
(ii) Who proposed the method of naming modern atomic symbols?
(iii) give the mathematical expression of Boyle’s law
(iv) State the variables of gas law.
(v) Define S.T.P or N.T.P

Answer 1

Answer:

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Answer 2

Answers

Explanation:

(i) Emperical formula is the simplest whole number ratio of atoms of all the elements present in a compound. Emperical formula of the benzene is CH.

(ii) John Dalton proposed the method of naming modern atomic symbols.

(iii) Boyle's Law: P1V1 = P2V2

(iv) The four variables of Gas Law are: Temperature, Pressure, Volume and Moles.  

(v) STP is standard temperature and pressure - 0°C and one atm (100 kPa) pressure.

NTP is normal temperature and pressure - 20°C and 101.325 kPa pressure.