Question

What are the standard temperature and pressure conditions enthalpy is usually measured under?
A. 1 kPa and 273 K
B. 100 kPa and 298 K
OC. 298 kPa and 100 K
D. 1 kPa and 100 K
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Answer 1

The standard temperature and pressure conditions enthalpy is usually measured under are 1kPa and 273K (option A).

What is enthalpy?

Enthalpy in thermodynamics is a measure of the heat content of a chemical or physical system.

Enthalpy is the sum of the internal energy and pressure times volume It can be calculated using the following formula:

H = E + P V

Where;

H = Enthalpy

E = internal energy

P = pressure

V = volume

However, the enthalpy of a substance is usually measured under standard temperature and pressure.

• The standard temperature is 273 Kelvin or K
• The standard pressure is 1kPa

Learn more about enthalpy at: https://brainly.com/question/13996238

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