3 years ago

The shadow zone exists because ?

1 answer:

6 0

At almost the opposite point on the Earth's surface, the "P" waves reappear. The shadow zone exists because the waves are refracted as they pass through the boundary between the mantle and the core and are diverted from their original paths.

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If you have exactly 2.00 moles each, of two different substances, then which of the following must be true about the two samples

Gwar [14]

The true is that both substances will have 2 * 6.02* 10^23 = 12.04 * 10^23 particles (may be molucules or atoms(.

Also, the two moles of each substance will have different masses, because you have to multiply the number of moles of each substance by the respective molar mass (or atomic mass).

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3 years ago

What are the fields of science??

Alex Ar [27]

Answer:

Life science is alternatively known as biology, and physical science is subdivided into branches: physics, chemistry, astronomy and Earth science. These branches of natural science may be further divided into more specialized branches. But that is more writting to explain

Explanation:

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3 years ago

What would be the effect on the nucleus of an atom if it emitted one alpha particle and one gamma ray

Oksana_A [137]

Unstable, radioactive atom emits alpha and gamma ray to transform into a stable atom.

Emitting an alpha particle, decreases the mass number by four and atomic number by two.
Emitting gamma ray reduces the excess energy of the radioactive atom.

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3 years ago

Ionic equation for reaction of koh(aq) with cucl2(aq)

marishachu [46]

Answer:

2 KOH(aq) + CuCl2(aq) = 2 KCl(s) + Cu(OH)2

Explanation:

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4 years ago

represent rutheniums first 36 electrons using the chemical symbol for krypton written inside the brackets

kirza4 [7]

Answer:

[kr] hd^75s^1

Explanation:

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3 years ago

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