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marin [14]
4 years ago
13

Why is knowledge of mineral properties important? Which properties might be most useful in construction? In jewelry-making? Expl

ain.
Chemistry
1 answer:
Mashcka [7]4 years ago
5 0

Answers with Explanations:

1. Why is knowledge of mineral properties important?

Knowledge of mineral properties is important because it <u>helps scientists know about the earth's history, particularly when it comes to "rock formations."</u> It is also essential in order to know which minerals are economically important.

2. Which properties might be useful in construction?

Minerals have many physical properties (<em>color, crystal form, hardness, luster, density, cleavage and fracture, etc.) </em>

When it comes to construction purpose, the mineral's malleability is very important. This is the reason why "iron" is one of the most important minerals being used in buildings. It's <em>malleability</em> allows it to be framed into "steel," which is then used to make even bigger infrastructures and skyscrapers.

3. In jewelry-making?

When it comes to "jewelry-making," the <em>hardness </em>and <em>luster</em> of the mineral may be used as a basis. For example, the diamond can be determined from the rest of the minerals because it is the hardest and it has a brilliant-kind of luster.

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Calculate the pH of a solution having the following ion concentrations at 298 K. [H+] = 4.6 × 10^-2 M
hodyreva [135]

Answer:

The pH of the solution is 1.34, being an acidic pH.

Explanation:

pH is a measure of acidity or alkalinity that indicates the amount of hydrogen ions present in a solution or substance.   The acronym pH stands for hydrogen potential.

The pH scale ranges from 0 to 14. Values ​​less than 7 indicate the acidity range and those greater than 7 indicate alkalinity or basicity. Value 7 is considered neutral. Mathematically, pH is the negative logarithm of the molar concentration of hydrogen or proton ions (H⁺) or hydronium ions (H₃O⁺).

pH= - log [H⁺] = - log [H₃O⁺]

In this case, [H⁺]= 4.6*10⁻² M. Replacing:

pH= - log 4.6*10⁻²

Solving:

pH= 1.34

<u><em> The pH of the solution is 1.34, being an acidic pH.</em></u>

<u><em></em></u>

5 0
4 years ago
The primary food source for many sea animals is:
borishaifa [10]

Answer:

plankton

Explanation:

like in spongebob lol but for real I'm a marine biologist I know this is the answer lol

6 0
3 years ago
A chemist wants to observe the following reaction:
stiv31 [10]

It take more energy to break the bonds of the reactants and less energy is given off when the product bonds are formed.

<h3>What is Energy?</h3>

Energy is defined as the ability to do work. Work is done in the breaking or formation of bonds.

The standard Enthalpy (ΔH) of water which was formed in the given reaction is negative.

ΔH= Δproduct - Δreactant

This means that the energy to break the bonds of the reactants is more.

Read more about Enthalpy here brainly.com/question/14291557

3 0
2 years ago
If an object loses electrons it will become negatively charged. <br><br><br> True<br><br> False
Ray Of Light [21]
The answer should be true.
3 0
4 years ago
QUESTION 8
pashok25 [27]
<span>m1v1=m2v2
m2=(m1v1)/v2 
Where m is the molarities and v is the volumes
m2=(0.500*25.0)/48.5
m2=12.5/48.5
m2=0.256 M
so it will be A: 0.256 M</span>
3 0
3 years ago
Read 2 more answers
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