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11-08-2020
Physics

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Question is on the picture. Answers: A. 0.1 J/gC B. 0.2 J/gC C. 0.4 J/gC D. 4 J/gC

Question is on the picture Answers A 01 JgC B 02 JgC C 04 JgC D 4 JgC class=

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MathPhys MathPhys

11-08-2020

Answer:

B. 0.2 J/g/°C

Explanation:

The solid phase is the first segment (from 0°C to 50°C).

q = mCΔT

200 J = (20 g) C (50°C)

C = 0.2 J/g/°C

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