3. Explain why the standard enthalpy of formation of carbon in

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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3. Explain why the standard enthalpy of formation of carbon in
the form of diamond is not zero.
4. 2.0 moles of an ideal gas at 50 oC expands isothermally from
an initial volume of 25.0 L to a final volume of 75.0 L. Calculate
w (work) if (a) the expansion takes place against a constant
external pressure of 1 bar and (b) takes place reversibly. Which
value represents more work done?
Transcribed Image Text:3. Explain why the standard enthalpy of formation of carbon in the form of diamond is not zero. 4. 2.0 moles of an ideal gas at 50 oC expands isothermally from an initial volume of 25.0 L to a final volume of 75.0 L. Calculate w (work) if (a) the expansion takes place against a constant external pressure of 1 bar and (b) takes place reversibly. Which value represents more work done?
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