3.18 WP A closed, rigid tank contains a two-phase liquid-Vapor mixture of Refrigerant 22 initially at -20°C with a quality of 50.36%. Energy transfer by heat into the tank occurs until the refrigerant is at a final pressure of 6 bar. Determine the final temperature, in °C. If the final state is in the superheated vapor region, at what temperature, in °C, doar the tank contain only saturated yapor?

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