An irregularly shaped stone was lowered into a gradulated cylinder holding a volume of water equal to 12ml. the height of the water rose to 17ml if the mass of the stone was 25g what was it's density?

The density of the stone is 5 because the formula is mass/volume and the volume is 5 and the mass is 25

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Answerδh > 0explanationc₆h₆  (s)  → c₆h₆ (l)if you are changing it from a solid to a liquid, you are pretty much melting the solid. this requires heat energy. therefore, the reaction is endothermic (takes in energy); the system enthalpy increases as the reaction proceeds: δh > 0.