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5) A system absorb 640J heat and does work of 260J, the change ininternal energy of the system will bea) +380Jb)-380J c) +900J d)-900J |
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Answer» Explanation: The SYSTEM absorbs 640 J and the work system does on surroundings is 260J. THEREFORE by the first law of THERMODYNAMICS, the INTERNAL energy of the system increases by: △U=q−W=(640−260)=+380 J. PLEASE FOLLOW ME AND SELECT MY ANSWER AS BRAINLIEST AND I WILL DEFINITELY FOLLOW YOU.THANK YOU I HOPE THIS HELPS YOU LOT MY MATE.... |
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