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Olin [163]
3 years ago
13

Which resource is considered the LEAST renewable resource?

Chemistry
1 answer:
Klio2033 [76]3 years ago
8 0
A coal because coal is one of the most natural items on the list
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Which is an example of the strong force in action?
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I would say that it would probably be: The Sun pulls on Earth as Earth moves around the sun.

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Which elements on the periodic table fulfill the octet rule​
horsena [70]

Answer:

Noble Gases

Explanation:

The Noble Gases have a full valence shell of 8 electrons. They are stable in that sense.

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True or false: potential energy increases as like charges get closer to one another
Veronika [31]
True, is the correct answer.
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3 years ago
use the heisenberg uncertainty principle to calculate the uncertainity in meters in the position of 0.68g and traveling at a vel
My name is Ann [436]

Answer:

7.7439×10⁻³¹ m

Explanation:

The expression for Heisenberg uncertainty principle is:

\Delta x\times \Delta v=\frac {h}{4\times \pi\times m}

Where m is the mass of the microscopic particle

h is the Planks constant

Δx is the uncertainty in the position

Δv is the uncertainty in the velocity

Given:

mass = 0.68 g = 0.68×10⁻³ kg

Δv = 0.1 m/s

Δx= ?

Applying the above formula as:

\Delta x\times 0.1=\frac {6.62\times 10^{-34}}{4\times \frac {22}{7}\times 0.68\times 10^{-3}}

<u>Δx = 7.7439×10⁻³¹ m</u>

8 0
3 years ago
Science begins with an observation, true or false?
JulijaS [17]

Answer:

true!

Explanation:

if youre going by the scientific method, observations are mainly first. then questions, research, etc

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