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8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm
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Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?
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After 34.8 min a 43.5g sample of Fr-215 has decayed down to 10.0g what is its half life...
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