Which statement is always true of the internal energy of a system and its surroundings during an energy exchange with an endothermic value of ΔUsystem?
a) ΔHsurroundings > 0
b) The internal energy of the system and surroundings increase together
c) The internal energy of the system decreases while the internal energy of the surroundings increases
d) The internal energy of the system and surroundings decrease together
e) The internal energy of the system increases while the internal energy of the surroundings decreases
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