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sashaice [31]
4 years ago
12

How did the 1964 Alaska earthquake enhance our understanding of Earth's interior?

Chemistry
1 answer:
Travka [436]4 years ago
3 0
<span>Helped confirm the layering of the Earth</span>
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Who devised the scientific naming system for the classification of living things.
Marrrta [24]
Carolus Linnaeus was the one <span>Who devised the scientific naming system for the classification of living things.
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3 years ago
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In which orbital below would an electron (on average) be farthest from the nucleus?
ozzi

Answer:

4f its the last orbital of the above

5 0
3 years ago
A new substance with unique chemical and physical properties formed when two or more elements are chemically bonded during a phy
Nimfa-mama [501]

Answer:

A compound

Explanation:

Chemical compound can be regarded as any substance made up of identical molecules which consists atoms of two or more than two chemical elements. For example four hydrogen atoms bonds with a carbon atom to give methane molecule which is a compound. It should be noted that A compound is a new substance with unique chemical and physical properties formed when two or more elements are chemically bonded during a physical reaction.

3 0
3 years ago
10. Hydrogen peroxide (H2O2: M = 34 g mol-1) is a powerful oxidising agent that is used in concentrated solution in rocket fuel
Lubov Fominskaja [6]

Answer:

The molality of solution=12.605 m

Explanation:

We are given that

Molar mass of Hydrogen peroxide, M=34 g/mol

Density of solution, \rho=1.11gcm^{-3}

30% Means mass of solute (Hydrogen peroxide)=30 g

Mass of solvent =100-30=70 g

Total mass of solution, m=100 g

Number of moles of solute=\frac{given\;mass}{molar\;mass}

Using the formula

Number of moles of hydrogen peroxide=\frac{30}{34}

Now, molality of solution

m=\frac{number\;of\;moles\;of\;solute}{mass\;of\;solvent}\times 1000

m=\frac{30}{70\times 34}\times 1000

m=12.605 m

Hence, the molality of solution=12.605 m

6 0
4 years ago
Explain why the melting point of a solid is equal to the freezing point of it's liquid.​
Tomtit [17]

Explanation:

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<h2>hope it helps.</h2><h2>stay safe healthy and happy.</h2>
4 0
3 years ago
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