Question: A 2-m3 storage tank contains 95% liquid and 5% vapor by volume of liquefied natural gas (LNG) at 160 K, as shown in Fig. P6.65.

A 2-m3 storage tank contains 95% liquid and 5% vapor by volume of liquefied natural gas (LNG) at 160 K, as shown in Fig. P6.65. It may be assumed that LNG has the same properties as pure methane. Heat is transferred to the tank and saturated vapor at 160 K flows into the a steady flow heater which it leaves at 300 K. The process continues until all the liquid in the storage tank is gone. Calculate the total amount of heat transfer to the tank and the total amount of heat transferred to the heater.

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