According to the first law of thermodynamics, the energy of the universe is cons

Question

According to the first law of thermodynamics, the energy of the universe is constant. Does this mean that AU is always equal to zero? a Yes, AU 0 at all times, which is why q--w No, AU does not always equal zero, but this is only due to factors like friction No, AU does not always equal zero because it refers to the system's internal No, AU never equals zero because work is always being done on the system or by No, AU never equals zero because energy is always flowing between the system and heat. energy, which is affected by heat and work. the system. and surroundings b. c.

Explanation / Answer

(a) No.

DeltaU does not always equal to zero because but this is only due to factors like friction and heat.

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