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Vedmedyk [2.9K]
3 years ago
14

Look at the four positions of Earth with respect to the sun. Florida is in the Northern hemisphere. At what position of Earth wi

ll Florida experience the first day of spring? (2 points) Question 41 options: 1) Position 1 2) Position 2 3) Position 3 4) Position 4
Chemistry
1 answer:
Lena [83]3 years ago
3 0

Answer:

2) Position 2 3

Explanation:

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The structural formula of 2-methyl-propane<br>-2-ol​
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Standard reduction potentials are based on which element?
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What chemical compound is crucial to marine life and how is it disappearing?
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For double-helix formation, DG can be measured to be 2 54 kJ mol 1 ( 2 13 kcal mol 1 ) at pH 7.0 in 1 M NaCl at 25 8C (298 K). T
levacccp [35]

Answer:

ΔS = -661.0J/mol is the entropy change for the system

ΔS = -842J/mol.K is the entropy change for the surroundings

Explanation:

From the relationship between ΔG, T, ΔH and ΔS,

Mathematically, ΔG = ΔH - TΔS

TΔS = ΔH - ΔS

ΔS = ΔH - ΔS / T

but ΔG = -54 kJ/mol, ΔH = -251 kJ/mol and T = 25 °C (298 K)

plugging into the equation,

ΔS = -251 kJ/mol - ( -54 kJ/mol) / 298

ΔS  = -0.6610KJ/mol or in J.mol

ΔS = -661.0J/mol is the entropy change for the system

  • For entropy change for the surroundings = ΔS = ΔH/T
  • ΔS  = -251 kJ/mol / 298K
  • ΔS = -0.84KJ/mol.K or -842J/mol.K is the entropy change for the surroundings
8 0
2 years ago
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