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.
Correct Answer:
Verified
Q8: For a reaction with a Ho
Q9: For the reaction HCN (aq)+ H2O
Q10: The pH of a solution is 9.65.The
Q11: Which of the following is INCORRECT for
Q12: What is the pH for a 5
Q14: Calculate the total nickel concentration for
Q15: Calculate the molar solubility for calcium fluoride
Q16: Silver ion is being considered as a
Q17: Which of the classes of acids and
Q18: For a triprotic acid,which of the following
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents