The term standard conditions with respect to enthalpy change means ________.
A)1 atm and 0 K
B)1 atm and 1 L
C)1 atm and 298 K
D)1 L and 0 K
E)1 atm and 1 °C

Question

Quizplus · Accepted Answer

Standard conditions refer to a specific set of conditions used for measuring thermodynamic properties, and it usually means a pressure of 1 atm and a temperature of 298 K (25°C). Therefore, the correct answer is choice C, which matches the definition of standard conditions for enthalpy change.

The Term Standard Conditions with Respect to Enthalpy Change Means