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zaharov [31]
3 years ago
10

During what meterological (weather) changes does sublimation occur on earth?

Chemistry
2 answers:
insens350 [35]3 years ago
6 0
Sublimation occurs more readily when definite weather circumstances are present such as low relative humidity and dry winds. Sublimation also occurs more at higher altitudes where the air pressure is less than at lower altitudes and energy such as strong sunlight is also needed. Sublimation happens a lot in the south face of Mt. Everest which have low temperatures, strong winds, intense sunlight, very low air pressure and the recipe for sublimation to occur.
choli [55]3 years ago
3 0

Sublimation refers to the transition from solid to gaseous phases of matter, without the presence of a liquid stage. There are several weather conditions that can increase the likelihood of sublimation taking place. For example, sublimation happens when low humidity and dry winds are present. Sublimation is also more likely to occur at high altitiudes and with low pressure. Strong sunlight can also contribute to the appearance of sublimation.

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Why is there not a corresponding drop in ionization energies between Bi and Po in the sixth period as N and O?
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Answer:

See explanation

Explanation:

According to the Journal of Chemical Education, Volume 80, No.8 (2003); "The first ionization energy of bismuth appears to be  anomalous......It has been claimed that spin– orbit coupling by the Russell–Saunders scheme would lower  the ground state of Bi+ ..."

However, the involvement of  d and f orbitals in Bi and Po implies that the outermost orbitals are poorly screened hence the drop between nitrogen and oxygen is not observed between Bi and Po.

The same argument could be extended to explain the reason why  there not a corresponding drop between Ba and Tl is the sixth period even though they are in the same group as Be and B.

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2 years ago
How many decigrams are in 4.6 decagrams?
11111nata11111 [884]

Answer:

\large \boxed{\text{460 dg}}

Explanation:

1. Convert decagrams to grams

\text{Mass} =  \text{4.6 dag} \times\dfrac{\text{10 g}}{\text{1 dag}} = \text{46 g}

2. Convert grams to decigrams

\\text{Mass} =  \text{46 g} \times\dfrac{\text{10 g}}{\text{1 dg}} = \text{460 dg}\\\\\large \boxed{\textbf{4.6 dag = 460 dg}}

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3 years ago
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LUCKY_DIMON [66]
Melt chocolate and measure the temperature and then melt wax and measure the temperature and compare his results.
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I think it is B

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