an unknown mass of each of the given substances, Chemistry

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an unknown mass of each of the given substances

An unknown mass of each of the given substances as with The final temperature is recorded as indicated 1.Pyrex glass (tf=67.6 C), 2.Sand (tf=70.4 C), 3.ethanol (tf=45.9 C), initially at 19.0 degrees celsius, absorbs 1930 Joules of heat. Determine the mass of each substance.

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Chemistry: an unknown mass of each of the given substances

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