Compare chemical weathering to mechanical weathering

2 answers:

5 0

Chemical weathering is the process by which the internal structure of a mineral is altered by the addition or removal of elements, while mechanical weathering is the breaking down of big rocks to small rocks.

Nesterboy [21]4 years ago

3 0

It affects the rocks in place and no transport is involved. This distinguishes weathering from erosion. Mechanical/physical weathering - physical disintegration of a rock into smaller fragments, each with the same properties as the original. Occurs mainly by temperature and pressure changes

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Vlad1618 [11]

Across a period I.E increases progressively from left to right

Explanation:

The trend of the first ionization energy is such that across a period I.E increases from left to right due to the decreasing atomic radii caused by the increasing nuclear charge. This not compensated for by successive electronic shells.

Ionization energy is a measure of the readiness of an atom to lose an electron.
The lower the value, the easier it is for an atom to lose an electron.
Elements in group I tend to lose their electrons more readily whereas the halogens hold most tightly to them.
The first ionization energy is the energy needed to remove the most loosely bonded electron of an atom in the gaseous phase.

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4 years ago

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avanturin [10]

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Which correctly lists the following in order of increasing entropy? i. 1 mol of HCl (g) at 50 ° C ii. 1 mol of NaCl (s) at 25 °

MaRussiya [10]

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ii. < iv. < i. < iii.

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