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A 160 L kiln is used for vitrifying ceramics. It is currently operating at 1255 *C, and the pressure is ?
0.9000 atm. How many moles of air molecules are within the confines of the kiln?
PV = nRT
n = PV/RT
P = 0.9000 atm
V = 160 L
R = 0.0821 Latm/moleK
T = 1255 C = 1528 K
n = (0.9000 atm) x (160 L) / [ (0.0821 Latm/moleK) x (1528 K) ]
n = 1.15 moles
1.15 moles x (6.022x10^23 molecules / mole) = 6.91x10^23 molecules
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