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QUESTION 7 Save Answer A 437.2 g sample of an unknown substance requires 8460 J to increase its temperature from 19.3 °C to 6

Answer 1

Answer #1

Z Given Mall = 437.2 gram Ehеу су Ф - 84 6, 7 TK19.00 c m = 68.5°C - he know that am CST a = a - 8460 mag 427-2 ( 68.9-19.7)

Answer 2

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