Find the change in internal energy of the system when a system absorbs 2 kilocalorie of heat and at the same time does 500 joule of work (a) 7900 J (b) 8200 J (c) 5600 J (d) 6400 J
Added by Yash G.
Step 1
Given that the system absorbs 2 kilocalories of heat, we can convert this to joules using the conversion factor 1 kcal = 4184 J. So, 2 kcal = 2 * 4184 J = 8368 J. Show more…
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Calculate change in internal energy of a system which has absorbed $2 \mathrm{kcal}$ of heat and done $500 \mathrm{~J}$ of work (a) $7900 \mathrm{~J}$ (b) $8900 \mathrm{~J}$ (c) $6400 \mathrm{~J}$ (d) $5400 \mathrm{~J}$
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Round 2
The internal energy change in a system that has absorbed 2 Kcal of heat and done $500 \mathrm{~J}$ of work is (A) $7900 \mathrm{~J}$ (B) $4400 \mathrm{~J}$ (C) $6400 \mathrm{~J}$ (D) $8900 \mathrm{~J}$
What is the change in the internal energy of a system that does 5,000 joules of work and absorbs 20,000 joules of heat? A. -15,000 J B. 15,000 J C. 100,000 J D. 25,000 J
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