Determine after how many days will one-sixteenth of a given, Ask an Expert

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Suppose that a particular reaction evolves heat of 228 kJ and that 40 kJ of (PV) work is gained by the system. Determine the values of Delta E and Delta H for the system?

Half life of Rn(a radioactive, colorless, odorless, tasteless noble gas) is 3.824 days. Determine after how many days will one-sixteenth of a given amount of radon-222 remain?

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