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MrRissso [65]
3 years ago
6

How do scientists determine where the plate boundaries are?

Chemistry
1 answer:
pochemuha3 years ago
7 0

Answer:

through ecological science

Explanation:

Ecological scientists study organism-environment interactions across ... Plant life clothes much of Earth's land surface, providing structure to ecosystems (e.g., ... Figure 1: A flock of Ibis visits a flooded rice field in California.

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What is the molar mass of CO2
mina [271]
Molar mass of CO2 = 44.01 g/mol
5 0
3 years ago
The movement of broken down pieces of rock from one place to another is called
Dvinal [7]

Answer:

The answer I believe is B. Erosion

Explanation:

Just sounds better than all the other choices.

7 0
2 years ago
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Hydrofluoric acid and Water react to form fluoride anion and hydronium cation, like this HF(aq) + H_2O(l) rightarrow F(aq) + H_3
maksim [4K]

Answer:

Kc = 1.09x10⁻⁴

Explanation:

<em>HF = 1.62g</em>

<em>H₂O = 516g</em>

<em>F⁻ = 0.163g</em>

<em>H₃O⁺ = 0.110g</em>

<em />

To solve this question we need to find the moles of each reactant in order to solve the molar concentration of each reactan and replacing in the Kc expression. For the reaction, the Kc is:

Kc = [H₃O⁺] [F⁻] / [HF]

<em>Because Kc is defined as the ratio between concentrations of products over reactants powered to its reaction coefficient. Pure liquids as water are not taken into account in Kc expression:</em>

<em />

[H₃O⁺] = 0.110g * (1mol /19.01g) = 0.00579moles / 5.6L = 1.03x10⁻³M

[F⁻] = 0.163g * (1mol /19.0g) = 0.00858moles / 5.6L = 1.53x10⁻³M

[HF] = 1.62g * (1mol /20g) = 0.081moles / 5.6L = 0.0145M

Kc = [1.03x10⁻³M] [1.53x10⁻³M] / [0.0145M]

<h3>Kc = 1.09x10⁻⁴</h3>
7 0
3 years ago
Which element has 19 electrons surrounding the nuclei of its atoms?
QveST [7]
I think its potassium
5 0
3 years ago
What is the term for a substance capable of dissolving another substance?
AURORKA [14]

Answer:

The answer to your question is: solvent

Explanation:

Solvent is a component in a solution that is present in the highest amount and is able to dissolve the other or others components.

3 0
3 years ago
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