Thermodynamics and Heat Transfer in Exothermic Reactions

Easy Physics Thermodynamics

During a chemical reaction that releases heat, the system's enthalpy decreases. At the same time, the surroundings experience an increase in temperature. According to the principles of thermodynamics, which of the following statements is true regarding the relationship between the system and its surroundings?

The surroundings absorb the heat released by the system.

The internal energy of the system remains constant.

Work is done by the system on the surroundings.

The reaction is endothermic.

Hint

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