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correct answers will get an upvote! i thought i knew how to do this but i keep getting stuck An unknown mass of each of

correct answers will get an upvote!
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An unknown mass of each of the following substances, initially at 22.0C, absorbs 1950J of heat. The final temperature is recorded as indicated. Find the mass of each substance. a. Pyrex glass (Tf=55.2C) Express your answer using two significant figures. sand (Tf=62.1C) Express your answer using two significant figures. ethanol (Tf=44.5C) water (Tf=32.1C) Express your answer using two significant figures

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