GK
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Gibbs free energy is denoted by what letter which this energy is a combination of enthalpy and entropy in a single value.
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G
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H
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K
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KJ
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Explanation:
Detailed explanation-1: -Gibbs free energy, denoted G, combines enthalpy and entropy into a single value. The change in free energy, G, is equal to the sum of the enthalpy plus the product of the temperature and entropy of the system.
Detailed explanation-2: -Delta G by itself refers to change in Gibbs free energy given certain conditions, whereas delta G° refers to standard Gibbs free energy under standard conditions.
Detailed explanation-3: -A note on units. Chemists normally measure energy (both enthalpy and Gibbs free energy) in kJ mol-1 (kilojoules per mole) but measure entropy in J K‑1 mol-1 (joules per kelvin per mole).
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