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sierravick123owr441
08.03.2021 •
Chemistry
8) All of the following statements are true except . A) Internal energy is a state function. B) The enthalpy change for a reaction is equal in magnitude, but opposite in sign, to the enthalpy change for the reverse reaction. C) The enthalpy change for a reaction depends on the state of the reactants and products. D) The enthalpy of a reaction is equal to the heat of the reaction. E) Enthalpy is an intensive property.
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Ответ:
E. Enthalpy is an intensive property Is false.
Explanation:
The false or wrong option in this question is that Enthalpy is an intensive property.
To explain this, I would first explain an intensive property. An intensive property is one that does not depend on the quantity or the mass of matter. Examples are temperature and pressure.
But an extensive property is a property which depends on the mass and the quantity of the system. Enthalpy, volume are all extensive.
Ответ:
3
Explanation:
You can make that into a triangle and find the hypotenuse by using the pythagorean theorem a^2 + b^2 = c^2
Your hypotenuse is your vector that you're looking for
Heres the work:
3^2 + 3^2= r^2
r=3
Please let me know if this helped, and rank it the brainliest if possible!