Answer :
The energy of the system is 90 kJ.
Energy is a quantitative property given to a body or physical system and can be identified as work being done in the form of heat and light.
Energy is Conserved - The law of conservation of energy states that energy can be transformed into form, but cannot be created or destroyed. Energy is the ability to do work. It can exist in electrical, kinetic, thermal, electrical, chemical, nuclear, or other forms.
calculation:-
energy introduced = 100kj
energy lost in the surrounding = 10 kJ
total energy = system + surrounding
100k = system + 10kj
system = 100 - 10 kj
= 90kJ
Energy exists in many forms. Examples include light energy, thermal energy, mechanical energy, gravitational energy, electrical energy, acoustic energy, chemical energy, and nuclear or atomic energy. Each form can be transformed or changed into other forms.
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