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3 years ago

Which details from “When Volcanoes Erupt” would be important to include in a summary of the text? Select three details.

Chemistry

2 answers:

Black_prince [1.1K]3 years ago

5 0

Answer:

C. Scientists can make predictions that keep people from being in danger when volcanoes erupt.

D. There are volcanic eruptions every year.

E. Volcanic eruptions are natural processes, even though they can be deadly.

Explanation:

jolli1 [7]3 years ago

4 0

Answer:

Explanation:

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What Type of chemical reaction is:<br> BaCl2 + 2 AgNO3 --> 2 AgCl + Ba(NO3)2

romanna [79]

Answer:

This is a precipitation reaction: AgCl is the formed precipitate.

8 0

4 years ago

How many protons are there in H2S ?

Vinvika [58]

16. Hope this helps!!

3 0

3 years ago

Find the mistake<br> Cu(NO3)2(s) + CuO(s) → 2NO(g) + O3(g)

kvv77 [185]

there are 2 copper atoms on the left side of the arrow, but none on the other side. there are also 7 oxygen atoms on the left hand side, but only 5 on the right hand side of the arrow.

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4 years ago

How many moles are there in 3.612 x 1024 formula units of Na2SO4?

vitfil [10]

Answer:

<h3>Theanswer is 6 moles</h3>

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

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

$n = \frac{3.612 \times {10}^{24} }{6.02 \times {10}^{23} } \\$

We have the final answer as

<h3>6 moles</h3>

Hope this helps you

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3 years ago

Earth Science 10/ Chemistry 11

timama [110]

Measuring the ratio of C-14 to C-12 in the remains of dead organisms to determine how much time has passed since the organism died

the answer is D

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3 years ago