Problem: Choose the substance with the larger positional probability in each case.a. 1 mole of H 2 (at STP) or 1 mole of H 2 (at 100°C, 0.5 atm)b. 1 mole of N 2 (at STP) or 1 mole of N 2 (at 100 K, 2.0 atm)c. 1 mole of H 2O(s) (at 0°C) or 1 mole of H 2O(l) (at 20°C)

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larger positional probability entropy


↑ entropy → ↓ P → ↑ T


a. 1 mole of H 2 (at STP) or 1 mole of H 2 (at 100°C, 0.5 atm)

1 mole of H2 at 273 K, 1 atm → ↓ T & ↑ P        

1 mole of H at 373.15 K, 0.5 atm → ↑ T & ↓ P                         


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Problem Details

Choose the substance with the larger positional probability in each case.

a. 1 mole of H 2 (at STP) or 1 mole of H 2 (at 100°C, 0.5 atm)
b. 1 mole of N 2 (at STP) or 1 mole of N 2 (at 100 K, 2.0 atm)
c. 1 mole of H 2O(s) (at 0°C) or 1 mole of H 2O(l) (at 20°C)

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Boltzmann Equation concept. If you need more Boltzmann Equation practice, you can also practice Boltzmann Equation practice problems.

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Our data indicates that this problem or a close variation was asked in Chemistry: An Atoms First Approach - Zumdahl Atoms 1st 2nd Edition. You can also practice Chemistry: An Atoms First Approach - Zumdahl Atoms 1st 2nd Edition practice problems.