What happens to the pressure as you move up or down along a constant enthalpy line?
A) The pressure remains the same.
B) The pressure decreases as you move down.
C) The pressure decreases as you move up.
D) The pressure is not related to vertical movement along the constant enthalpy line.
B
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19 + 79 =
A) 98 B) 89 C) 818 D) 88
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