# Two flasks of equal volume have been joined by a narrow tube of negligible volume. initially both flasks are at 300K containing 0.6 mol of O2gas at 0.5 atm pressure.One of the flasks is then placed in a thermostat at 600K.calculate number of moles of O2 gas in each flask

${n}_{1}+{n}_{2}=0.6-----1\phantom{\rule{0ex}{0ex}}\frac{{n}_{1}}{{n}_{2}}=\frac{{T}_{2}}{{T}_{1}}\left(PV=nRT:P=0.5atmatboththecondition,R-gascons\mathrm{tan}t,V-samevolume\right)\phantom{\rule{0ex}{0ex}}\frac{{n}_{1}}{{n}_{2}}=\frac{{T}_{2}}{{T}_{1}}=\frac{600}{300}=2\phantom{\rule{0ex}{0ex}}{n}_{1}=2{n}_{2}\phantom{\rule{0ex}{0ex}}\phantom{\rule{0ex}{0ex}}Substitutethisinequation1\phantom{\rule{0ex}{0ex}}2{n}_{2}+{n}_{2}=0.6\phantom{\rule{0ex}{0ex}}3{n}_{2}=0.6\phantom{\rule{0ex}{0ex}}{n}_{2}=0.2\phantom{\rule{0ex}{0ex}}{n}_{1}=0.4\phantom{\rule{0ex}{0ex}}$

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