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4 years ago

What is the main cause of an earthquake

Chemistry

2 answers:

Natali5045456 [20]4 years ago

4 0

Answer:

I thinks it's stress caused by plate movement hope this helps

sergij07 [2.7K]4 years ago

3 0

Answer: stress caused by plate movement

Explanation:

Earthquakes are caused by the movement of tectonic plates, the different types of movements being divergent, convergent and transform.

Divergent boundaries: where new crust is generated as the plates pull away from each other.

Convergent boundaries: where crust is destroyed as one plate dives under another.

Transform boundaries: where crust is neither produced nor destroyed as the plates slide horizontally past each other.

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What is the initial temperature (°C) of a system that has the pressure decreased by 10 times while the volume increased by 5 tim

Ede4ka [16]

Answer:

300K

Explanation:

Given pressure of the system decreased by 10 times which means $P_{2} =\frac{P_{1} }{10}$

Given the volume of the system increased by 5 times which means $V_{2} =5\times V_{1}$

Given final temperature $T_{2}=150K$

Let the initial temperature be $T_{1}$

We know that PV=nRT

As n and R are constant $\frac{PV}{T}=constant$

$\frac{P_{1}V_{1} }{T_{1}} =\frac{P_{2}V_{2}}{T_{2}}$

$T_{1} =\frac{P_1V_1}{P_2V_2} T_{2}$

$T_{1} =2\times T_{2}$

T1=300K

8 0

3 years ago

1. As Z stays constant and the number of electrons increases, the electron-electron repulsions _____, and the anion becomes larg

Ray Of Light [21]

Answer:

1) increases

2) smaller

Explanation:

Generally, as electron- electron repulsion increases and more electrons are added to the atom while Z is held constant, the electron cloud size is increased. The size of the anion formed is usually measured as the size of this extended electron cloud. Hence the larger electron cloud means a larger anion size compared to the size of the neutral atom.

For a cation, the converse is true and the cation is found to be smaller than the neutral atom.

3 0

4 years ago

Read 2 more answers

Uranium, an important component of both nuclear weapons and nuclearreactors, has two major isotopes, U-238, which has a half-lif

elixir [45]

Answer:

Hello your question is poorly written below is the well written question

Uranium, an important component of both nuclear weapons and nuclear reactors, has two major isotopes, U-238, which has a half-life of approximately 4.5 billion years, and U-235, which has a half-life of approximately 700 million years. Both were present in equal amounts at the time of the creation of the Earth, 4.5 billion years ago. How many years after the creation of the Earth had the amount of radiation from uranium decayed to half the amount present at the time of the creation of the Earth

Answer : 140 billion years

Explanation:

Given that :

U-238 h1/2 = 4.5 billion years

U-235 h1/2 = 700 million years

At the beginning both Isotopes where present in equal amount

Determine the T years before the amount of Uranium decays to Half

T = ? N'2 = N1 / 2

we know that N = No ( 1/2 )^h where h = time / half-life time

attached below is the detailed solution of the given problem

6 0

3 years ago

In the waves lab, which type of wave was shown on the oscilloscope screen?

Yanka [14]

Hi there!

I answered a question for you earlier and confused it with this question.
The answer is: B. Transverse

Happy learning!
~Brooke

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3 years ago

How many orbitals exist for s shape

xenn [34]

The s sublevel has only one orbital

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3 years ago