Which Statements Below Are TRUE for Enthalpy and Entropy

question 7

Multiple Choice

Which statements below are TRUE for enthalpy and entropy?
I Enthalpy is the heat flow,q,under constant applied pressure.
II Standard conditions for entropy and enthalpy changes are 1 M concentration,1 bar pressure and 298.15 K.
III The entropy change for a system is the amount of energy,at a given temperature,that is dispersed into motion of the molecules in the system.
IV When the value of H is negative,heat is released.When the value of S is negative,entropy is increased.

• A)I,II and III
• B)I,III and IV
• C)II and IV
• D)III and IV
• E)Another combination is true.

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