A 2 times 10-3 m3 container in filled with 0.015 moles of an ideal gas at pressu

Question

A 2 times 10-3 m3 container in filled with 0.015 moles of an ideal gas at pressure of 3 kPa. The total kinetic energy of the gas molecules is J. 3 times 10-5 60 4.5 times 10-2 9 The temperature of the gas is K. 48 72 185 277 insulated aluminum calorimeter vessel of mass 100g container in thermal equilibrium with 100 g of water. Steam at the system until is mass increases by 5 g. The specific aluminum is 0.900 J/g degree C, the specific heat of water is 4. Of fusion is 335 J/g and its heat of vaporization is

Explanation / Answer

K = 1.5PV

= 1.5*3x103*2x10-3

= 9 J

PV = nRT

T = PV/[nR]

T = 3x103*2x10-3/0.015*8.3

T = 48.19 K

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