A sample of argon gas is held in a rigid

PHYSICS · Single correct · CBSE · Physics · Thermodynamics · Thermodynamics

Problem

A 0.75 mol0.75\,\text{mol} sample of argon gas is held in a rigid, thermally insulated container at an initial temperature of 290 K290\,\text{K}. A heater supplies 1.1×103 J1.1\times10^{3}\,\text{J} of energy to the gas. Assuming argon behaves as an ideal monatomic gas and no work is done, what is the final temperature T2T_2 of the gas? (Take R=8.31 J/mol KR = 8.31\,\text{J/mol\,K}.) (a) 380 K380\,\text{K} (b) 470 K470\,\text{K} (c) 410 K410\,\text{K} (d) 360 K360\,\text{K}

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