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nekit [7.7K]
3 years ago
9

Roger poured water over a pile of sand. Some of the sand washed away. This process is similar to which of the following?AnswerHi

de AThe eruption of a volcanoHide BThe erosion of the walls of a canyonHide CThe uplifting of mountain rangesHide DThe forming of dunes or mounds in a desert
Chemistry
1 answer:
BARSIC [14]3 years ago
3 0
B. The erosion of the walls of a canyon hide. When wind, water,etc washes away sand dirt gravel etc it is an example of erosion. the walls of a canyon hide can erode rather quickly as well.


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¿Que mide la solubilidad en una disolución?
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Answer:

En lugar de utilizar las ya conocidas unidades de concentración, para la solubilidad es más común emplear la siguiente: Medimos la solubilidad como la cantidad de gramos del soluto que podemos disolver en 100 gramos de disolvente.

Explanation:

4 0
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Calculate the boiling point of a 3.60 m aqueous sucrose solution. express the boiling point in degrees celsius to five significa
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We can use this equation for boiling point elevation:
ΔT(b) = i K(b) M
when Δ T(b) is the increase of boiling point of the solution.
and i is ( vant Hoff factor, the number of particles or ions per mole-clue.
and K(b) is boiling point increase constant for the solution ( and for water it is equal 0.52 C° Kg/mol)
We can assume i (vant Hoff factor ) = 1 as the sucrose is nonelectrolyte (not readily ionize).
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By substitute at:
ΔTb = i Kb M
∴  = 1 * 0.52 * 3.60 = 1.8432 C°
and when Tb = Tb° + ΔTb
∴  Tb = 100 + 1.8432 = 101.8432 C°



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