What are Megapascals, Entropy and Enthalpy?

Answer 1

Well, #"megapascals"# are a unit of pressure....

And #"1 megapascal"# #=# #1xx10^6*Pa-=1xx10^6*kg*m^-1*s^-2#.

And entropy is commonly defined as the statistical probability of disorder.....and is a measure of the randomness of a chemical substance.

And enthalpy is defined as the latent heat of a system.

Both #"entropy"# and #"enthalpy"# are commonly used terms in thermodynamics, and both are extensive parameters, that can be quantitatively measured. Please note that this answer is NO SUBSTITUTE for looking up the relevant chapters in your text, AND also doing problems where entropy and enthalpies are calculated.

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Answer 2

Wyatt Adkins

Megapascals (MPa) are a unit of pressure commonly used in engineering and scientific contexts. Entropy is a measure of the disorder or randomness of a system, often associated with the second law of thermodynamics. Enthalpy is a measure of the total energy of a system, including both its internal energy and the energy associated with pressure and volume changes.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.