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Questions and Answers
What does the standard enthalpy of formation measure?
What does the standard enthalpy of formation measure?
- Change of enthalpy during the formation of 1 mole of a substance from its elements (correct)
- Change in volume during a chemical reaction
- Change in pressure during a chemical reaction
- Change in temperature during a chemical reaction
What is the symbol for standard enthalpy of formation?
What is the symbol for standard enthalpy of formation?
- ΔE⦵
- ΔS⦵
- ΔG⦵
- ΔfH⦵ (correct)
What is the recommended standard pressure value by IUPAC for standard enthalpy of formation?
What is the recommended standard pressure value by IUPAC for standard enthalpy of formation?
- 105 Pa (correct)
- 1 bar
- 1 atm
- 100 kPa
What does the superscript Plimsoll on the symbol ΔfH⦵ indicate?
What does the superscript Plimsoll on the symbol ΔfH⦵ indicate?
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What is the standard state for a gas in the context of standard enthalpy of formation?
What is the standard state for a gas in the context of standard enthalpy of formation?
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