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Question- How long (in seconds) would it take a 50.0 watt (1 watt=1 J/s) heater to melt 10.12 g of Au(s) initially at its freezing point (1064 degrees C) to the boiling point (2807 degrees C) and then to completely vaporize it?

Please carry out what you can and illustrate your work so I can follow. Thanks

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