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If water with the mass of 15.0 grams is heated into water vapor in a closed system such as a closed glass jar, what is the mass of the gas after the water completely vaporizes?

A) 13.5 grams
B) 15.0 grams
C) 16.5 grams
D) The mass cannot be determined without knowing the volume.

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8 answers
  1. 15.0 g H2O weighs 15.0 g whether it is ice, liquid, or vapor.

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  2. Woah Mr.falcon... are you okay? did you take your medication???

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  3. Lol. But seriously are you ok XD

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  4. no, it's c

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  5. What do you mean @ Dr.Bob

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  6. The correct answer is B, trust me.

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  7. The correct answer is B. (15.0 grams) Because The mass stays the same.

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  8. the answer is b

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