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omeli [17]
3 years ago
12

Select all that apply. According to scientists, the distribution of volcanoes throughout the world… Is fairly even and widesprea

d Forms a specific pattern across fault lines Corresponds to plate boundaries Is constantly changing and shifting
Chemistry
2 answers:
boyakko [2]3 years ago
8 0
Hi there!

According to scientists, the distribution of volcanoes throughout the world corresponds to plate boundaries. 
Also called "divergent boundaries", plate boundaries have many volcanoes. These volcanoes and volcanic eruptions are caused by the movement of plates, which causes lava and magma to seep in the gaps of the plates. 

Hope this helps!
Ipatiy [6.2K]3 years ago
7 0
Only answers C and D would make sense in this question. Hope I helped please give brainiest!
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3. The basic unti of matter *<br> proton<br> neutron<br> electron<br> atom
mamaluj [8]

Answer:

Your answer is ATOM

Explanation:

Atoms consist of a nucleus made of protons and neutrons orbited by electrons. Atoms are the basic units of matter and the defining structure of elements.

Basically, they are the building block of life because everything made of matter has atoms

8 0
3 years ago
How many moles of KCIO3 are required to produce 58.3 grams of 02? <br> 2 KCIO3 —&gt; 2 KCI + 3 O2
strojnjashka [21]

Answer:

1.21 mol KClO₃

General Formulas and Concepts:

<u>Atomic Structure</u>

  • Reading a Periodic Table
  • Moles
  • Mole Ratio

<u>Stoichiometry</u>

  • Analyzing reactions rxn
  • Using Dimensional Analysis

Explanation:

<u>Step 1: Define</u>

<em>Identify variables</em>

[rxn] 2KClO₃ → 2KCl + 3O₂

[Given] 58.3 g O₂

[Solve] mol KClO₃

<u>Step 2: Identify Conversions</u>

[rxn] 2 mol KClO₃ → 3 mol O₂

[PT] Molar Mass of O: 16.00 g/mol

Molar Mass of O₂: 2(16.00) = 32.00 g/mol

<u>Step 3: Convert</u>

  1. [DA] Set up:                                                                                                       \displaystyle 58.3 \ g \ O_2(\frac{1 \ mol \ O_2}{32.00 \ g \ O_2})(\frac{2 \ mol \ KClO_3}{3 \ mol \ O_2})
  2. [DA] Divide/Multiply [Cancel out units]:                                                           \displaystyle 1.21458 \ mol \ KClO_3

<u>Step 4: Check</u>

<em>Follow sig fig rules and round. We are given 3 sig figs.</em>

1.21458 mol KClO₃ ≈ 1.21 mol KClO₃

6 0
3 years ago
Which of the following statements best provides evidence of the big bang theory?
raketka [301]

Explanation:

Ouhgiuytytufryftrufurtfrthfrthfhtftryfrtfrthffthfrth

6 0
2 years ago
Acellus<br> How many grams of strontium<br> (Sr, 87.62 g/mol) are in 2.92<br> moles of strontium?
saul85 [17]

Answer:

There are 255, 85 grams of Strontium in 2,92 moles.

Explanation:

We perform a simple rule of three to calculate the number of grams, knowing that one mole of Sr weights 87, 62 grams:

1 mol Sr---------87, 62 grams

2,92 mol Sr-----x=(2,92 mol Sr x-87, 62 grams)/1 mol Sr= 255,8504 grams

5 0
3 years ago
At a particular temperature, the solubility of He in water is 0.080 M when the partial pressure is 1.7 atm. What partial pressur
fenix001 [56]

At a particular temperature, the solubility of He in water is 0.080 M when the partial pressure is 1.7 atm. 4.25 atm is the  partial pressure of He would give a solubility of 0.200 M.

<h3>What is Henry's Law ?</h3>

Henry's Law is a gas law states that at a constant temperature the amount of gas that dissolved in a liquid is directly proportional to the partial pressure of that gas.

<h3>What is relationship between Henry's Law constant and Solubility ?</h3>

The solubility of gas is directly proportional to partial pressure.

It is expressed as:

S_{\text{gas}} = K_{H} P_{\text{gas}}

where,

S_{\text{gas}} = Solubility of gas

K_{H} = Henry's Law constant

P_{\text{gas}} = Partial pressure of gas

Now put the values in above expression we get

S_{\text{gas}} = K_{H} P_{\text{gas}}

0.080M = K_{H} × 1.7 atm

K_{H} = \frac{0.080\ M}{1.7\ \text{atm}}

      = 0.047 M/atm

Now we have to find the partial pressure of He

S_{\text{gas}} = K_{H} P_{\text{gas}}

0.200 M = 0.047 M/atm × P_{\text{gas}}

P_{\text{gas}} = \frac{0.200 M}{0.047\ \text{M/atm}}

       = 4.25 atm

Thus from the above conclusion we can say that At a particular temperature, the solubility of He in water is 0.080 M when the partial pressure is 1.7 atm. 4.25 atm is the  partial pressure of He would give a solubility of 0.200 M.

Learn more about the Henry's Law here: brainly.com/question/23204201

#SPJ4

3 0
1 year ago
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