What does mechanical weathering do?

1 answer:

7 0

Mechanical weathering is the process of breaking big rocks into little ones. This process usually happens near the surface of the planet. Temperature also affects the land. The cool nights and hot days always cause things to expand and contract. That movement can cause rocks to crack and break apart.

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In the diagram of a transverse wave shown, what does P represent?

Effectus [21]

L is amplitude M is wavelength and P is frequency

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2 years ago

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What quantity is measured in mol/dm³?

natima [27]

L
$M = \frac{n}{V} \\ M = \frac{mol}{L} \\ or \\ M = \frac{mol}{ {dm}^{3} }$
mol/dm³ is measure for molarity

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2 years ago

Select the correct answer. Which of these elements is a transition metal?

PtichkaEL [24]

I don't see the options for an answer, so here is a list of all of the transition metals lol

Scandium
Titanium
Vanadium
Chromium
Manganese
Iron
Cobalt
Nickel
Copper
Zinc
Yttrium
Zirconium
Niobium
Molybdenum
Technetium
Ruthenium
Rhodium
Palladium
Silver
Cadmium
Lanthanum
Hafnium
Tantalum
Tungsten
Rhenium
Osmium
Iridium
Platinum
Gold
Mercury
Actinium
Rutherfordium
Dubnium
Seaborgium
Bohrium
Hassium
Meitnerium
Darmstadtium
Roentgenium
Copernicium p

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2 years ago

Compared to a 0.1 M aqueous solution of NaCl, a 0.8 M aqueous solution of NaCl has a

Fudgin [204]

The correct answer is option 2. A 0.8 M aqueous solution of NaCl has a higher boiling point and a lower freezing point than a 0.1 M aqueous solution of NaCl. This is explained by the colligative properties of solutions. For the two properties mentioned, the equation for the calculation of the depression and the elevation is expressed as: ΔT = -Km and ΔT = Km, respectively. As we can see, concentration and the change in the property has a direct relationship.

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3 years ago

What happens to the electronegativity as you go from Lithium to Francium? Why?

Y_Kistochka [10]

Answer:

Electronegativity in group 1 decreases as we go from Lithium to Francium.

Explanation:

Electronegativity is defined as the tendency of an element to attract an electron pair towards itself.

In a group generally this tendency decreases from top to bottom as the size of the atom increases and hence the positive nucleus get far from the outer orbital.

In the same way group 1 elements i.e. from Lithium to Francium electronegativity decreases.

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3 years ago