A mixture of H2 and water vapor is present in a closed vessel at 20°C. The total pressure of the system is 755.0 mmHg.

Partial pressure of water vapor at 20°C equals 17.5 mmHg.

What is the partial pressure of H2?

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The correct electron configuration for Mn is Question 4 options: 1s22s22p63s63d2 1s22s22p63s23p64s24p5 1s22s22p62d103s23p3 1s22s22p63s23p64s23d5

Does density of water depend on the amount of water present?

In the reaction 2H2O (l) + 2Cl - (aq) → H2 (g) + Cl2 (g) + 2OH - (aq), which substance is reduced? A. H2O B. Cl C. H D. OH E. None of the Above (This is not a redox reaction.)

What happens when the threat of exposure to dirty air is reduced in a community? There is enough oxygen available for people's lungs to function normally The amount of indoor air pollutants released during a fossil fuel burn decreases There is a

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kilograms represented by the mass defect for thorium - 234=3.09x 10-27 kg what is the nuclear binding energy for thorium - 234