An empty LPG cylinder weighs 14.8 kg. When full, it weighs 29.0 kg and shows a pressure of 3.47 atm. In the course of use at ambient temperature, the mass of the cylinder is reduced to 23.0 kg. The fi

Question

An empty LPG cylinder weighs 14.8 kg. When full, it weighs 29.0 kg and shows a pressure of 3.47 atm. In the course of use at ambient temperature, the mass of the cylinder is reduced to 23.0 kg. The final pressure inside the cylinder is __________ atm. (Nearest integer) (Assume LPG to be an ideal gas) ,d [kkyh LPG flfyaMj dk Hkkj 14.8 kg gSA iwjk Hkkj gks us ij bldk Hkkj 29.0 kg gS ,oa ;g 3.47 atm nkc iznf'kZr djrk gSA ifjos'k rki ij bLrseky fd, tkus ds nkSjku flfyaMj dk nzO;eku ?kV dj 23.0 kg jg tkrk gSA flfyaMj ds vanj vafre nkc gS __________ atm. (fudVre iw.kk±d esa) (LPG dks ,d vkn'kZ xSl ekusa)

Prashant Kotian · Accepted Answer

Correct answer: .. Initial mass of gas = 29 –14.8 = 14.2 Kg mass of gas used = 29 –23 = 6 Kg gas left = 14.2 – 6 = 8.2 Kg (1) 3.47 × V =          M 2 . 3 × R × T (2) p × V =          M 2 . 3 × R × T Divide : (1) / (2)  P . = . 2 . P = 2.003 | JEE MAIN-2021 | DATE : 01-09-2021 (SHIFT-2) | PAPER-1 | OFFICAL PAER | CHEMISTRY PAGE # 8

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