Calculate the enthalpy change when 245 g of ice melts. Strategy The H fus value in Table

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Calculate the enthalpy change when 245 g of ice melts.

Strategy The ΔH_fus value in Table 9.3 is in J/mol, so the amount of ice must be converted into moles. Multiplying the number of moles by ΔH_fus will provide the desired quantity.

Table 9.3

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Chemistry For Engineering Students

ISBN: 9780357026991

4th Edition

Authors: Lawrence S. Brown, Tom Holme

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Question Posted: Nov 25, 2023 02:16 AM

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Calculate the enthalpy change when 245 g of ice melts. Strategy The H fus value in Table

Question:

Standard molar enthalpies and temperatures for phase changes of water Phase Change Transition Temperature AH (J/mol) Fusion 0°C 6009.5 Freezing 0°C -6009.5 Vaporization 100°C 40,700 Condensation 100°C -40,700

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Analyze Your Answer The enthalpy of fusion is constant at 6 kJmol so the enthalpy change depends on ...View the full answer

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