Arigid tank whose volume is 2 m3, initially containing air at 1 bar, 295 k, is connected by a valve to a large vessel holding air at 6 bar, 295 k. the valve is opened only as long as required to fill the tank with air to a pressure of 6 bar and a temperature of 380 k. assuming the ideal gas model for the air, determine the heat transfer between the tank contents and the surroundings, in kj.

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The answer is water molecules are split.cellular respiration and photosynthesis are complement  reactions to each other. these are reverse reactions. in cellular respiration glucose and oxygen yield water and carbon dioxide. so, when respiration begins,  glucose molecules are split. in the opposite reaction - in photosynthesis, carbon dioxide and water yield glucose and oxygen. thus,  when respiration begins, water molecules are split.

Answerinternal combustion engine fuel;