3 years ago

What is the feature called when a volcanic_________ hardens and the volcano becomes extinct.

1 answer:

8 0

Volcanoes go dormant because magma from the Earth's mantle can no longer reach the volcano. ... Meanwhile, the supply of magma stays in the same place within the Earth, which currently happens to lie beneath the Big Island.

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The four sets of lines in the hydrogen emission spectrum are known as Balmer, Brackett, Paschen, and Lyman. For each series, ass

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Answer:

Hydrogen spectrum

Explanation:

Balmer series - Observed in the visible region

Brackett series - Observed in the infrared region

Paschen series - Observed in the infrared region

Lyman series - Observe in the Ultraviolet region.

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3 years ago

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grin007 [14]

Answer: 1650 hope i got it in time.

Explanation:

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2 years ago

What is the electron configuration for helium (He)?

givi [52]

Hello!

The electron configuration for helium is 1s2

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What characteristic of an element’s atoms always determines the element’s identity?

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Answer:

hporntue dhdjehwgs r. rvegdyfuee

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3 years ago

A chemist has 3.55x1022 molecules of nitrogen monoxide. How

Alina [70]

Answer:

<h2>0.059 moles</h2>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

$n = \frac{N}{L} \\$

where n is the number of moles

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L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

$n = \frac{3.55 \times {10}^{22} }{6.02 \times {10}^{23} } \\ = 0.05897...$

We have the final answer as

<h3>0.059 moles</h3>

Hope this helps you

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2 years ago