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Arisa [49]
4 years ago
11

Explain how the change in free energy determines the direction of a chemical reaction and how chemical reactions eventually reac

h a state of equilibrium.
Chemistry
1 answer:
ohaa [14]4 years ago
4 0
<span>Free energy refers to exactly that "energy that is free to perform and/or have a reaction." Also known as Gibbs (G) It is energy that is associated with a chemical reaction and is used for work. You also need 3 other variables: heat, temperature, and entropy. The formula for the above would be: G = H - T (E)</span>
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How was the structure of the atom discovered
Gennadij [26K]

Answer:

read down below

Explanation:

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A gas-filled balloon having a volume of 3.50 L at 1.20 atm and 18°C is allowed to rise to the stratosphere (about 30 km above th
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Answer:

620.71 L the final volume of the balloon.

Explanation:

Initial volume of the gas in the balloon= V_1=3.50 L

Initial pressure of the gas in the balloon= P_1=1.20 atm

Initial temperature of the gas in the balloon= T_1=18^oC =291.15 K

Moles of gases = n

n=\frac{P_1V_1}{RT_1}...[1]

Final volume of the gas in the balloon = V_2=3.50 L

Final pressure of the gas in the balloon = P_2=5.70\times 10^{-3} atm

Final temperature of the gas in the balloon = T_2=-45^oC =228.15 K

Moles of gases = n

n=\frac{P_2V_2}{RT_2}...[2]

[1]  =  [2]

\frac{P_2V_2}{RT_2}=\frac{P_1V_1}{RT_1}

V_2=\frac{P_1V_1\times T_2}{T_1\times P_2}

V_2=\frac{1.29 atm \times 3.50 L\times 228.15 K}{5.70\times 10^{-3} atm\times 291.15 K}=620.71 L

620.71 L the final volume of the balloon.

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im 99% sure it's 175.

Explanation:

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