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labwork [276]
3 years ago
10

As a chemical reaction proceeds toward equilibrium, the free energy of the system decreases at constant temperature and constant

pressure. true or fals
Chemistry
1 answer:
olganol [36]3 years ago
8 0

Answer:

True

Explanation:

GIBBS FREE ENERGY (G) Gibbs free energy is a thermodynamic function It is a state function. G = H - TS At constant temperature At constant pressure and temperature An increase in S corresponds to a decrease in free energy

Constant free energy (G) P, T The important thing about free energy is that whenever the pressure and temperature are constant, we can determine the spontaneity of a process only in terms of the thermodynamic properties of the system G = H - TS The Free energy change is a measure of the change in the total entropy of a system and its environment at constant temperature and pressure. <u>Spontaneous processes at constant temperature and pressure are accompanied by a decrease in free energy</u>.

At constant temperature and pressure, the direction of spontaneous change is towards the lowest free energy. <u>The equilibrium state of a system corresponds to the lowest point of the free energy curve </u>.

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Scientific theories are always (A. testable B. true C. unreliable). A theory may be changed as a result of (A. competing theorie
WARRIOR [948]

Answer: 1. A. testable

2.new observations

Explanation:

A scientific theory is the one which explains the cause of a natural phenomena through observatory and experimentation approach. It is valid, accurate and acceptable worldwide.

1. It is testable by implementation of suitable methodology for the purpose of proving the cause of the natural phenomena occurring in nature.

2. A the explanation of the theory can be changes on the basis of the new observations obtained after implementation of new technology and methodology.

7 0
3 years ago
Help needed ASAP plz
Sati [7]

Answer:

6 cucumberslices.

Explanation:

You can make a maximum of 4 sandwiches. 8 slices of tomato and 2 needed for each. 8/4=2. You need 4 slices of cucumber per sandwich and have 22. the maximum of sandwiches we can make is 4 so 4×4=16. 22-16=6 leftover slices of cucumber.

7 0
3 years ago
What type of relationship will mass and added energy have if
valentina_108 [34]

Answer:

This relationship between temperature and pressure is observed for any sample of gas confined to a constant volume. If the temperature increases by a certain factor, the gas pressure increases by the same factor.

7 0
3 years ago
How to find Maximum kinetic energy​
tekilochka [14]

Answer:

The equation, which Einstein determined, says (electron's maximum kinetic energy) = (energy of the incident light energy packet) minus (the work function). For the example, the electron's maximum kinetic energy is: 2.99 eV - 2.75 eV = 0.24 eV

8 0
3 years ago
What is the percentage of Aluminum in Aluminum Sulfate?
marta [7]

Answer:

342. 15 g/mol is the mass

Al Aluminium 26.98g 2 atoms per mole = 15.7716%

S Sulfur 32.06g 3 atoms per mole = 28.1151%

O Oxygen 15.99g 12 atoms per mole = 56.1133%

Explanation:

Hope this helps

3 0
3 years ago
Read 2 more answers
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