To test the effectiveness of a gunpowder mixture, 1 gram was exploded under controlled stp conditions, and the reaction chamber was found to expand to 310 cm3. what volume would these gases occupy at the temperature produced by an uncontrolled explosion (2,200°c) and 2.1 atmospheres of pressure?

Given:

STP (initial) conditions where: P1 = 1 atm and T1 = 298 K

Volume of gas V1 = 310 cm3

Final conditions:

P1 = 2.1 atm

T2 = 2200 + 273 = 2473 K

To determine:

The final volume (V2) occupied by the gas

Explanation:

Using the combined gas law relation:-

P1V1/T1 = P2V2/T2

V2 = (P1V1/T1)(T2/P2)

    = (1*310/298)(2473/2.1) = 1225 cm3

Ans: The volume occupied by the gas under uncontrolled explosion is 1225 cm3

vanderwaal's forces of attraction are the electrostatic intermolecular forces that exist in a molecule due to the temporary or permanent dipoles that are developed in a molecule. in , the major intermolecular forces are dipole-dipole interactions as the molecule is polar (bent structure). so the vanderwaal's forces of interaction in between molecules are the permanent dipole-dipole interactions that develop due to the dipole that exists in between the polar h - s bond. the positively charged hydrogen atom is attracted towards the negative end of the dipole that is sulfur of the adjacent molecule. therefore, these forces of attraction are relatively stronger than that of london dispersion forces that exist in non polar molecules.