Refer to Example 2.10 about transformation of kinetic energy to enthalpy. Instead of water, suppose N₂ at 1 bar and 298 K was flowing in the pipe. How would that change the answers? In particular, how would the temperature rise change?

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Example 2.10 Transformation of kinetic energy into enthalpy Water is flowing in a straight horizontal pipe of 2.5 cm ID with a velocity of 6.0 m/s. The water flows steadily into a section where the diameter is suddenly increased. There is no device present for adding or removing energy as work. What is the change in enthalpy of the water if the down- stream diameter is 5 cm? If it is 10 cm? What is the maximum enthalpy change for a sudden enlargement in the pipe? How will these changes affect the temperature of the water?