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valina [46]
3 years ago
9

Which is a covalent compound?

Physics
2 answers:
soldier1979 [14.2K]3 years ago
5 0

Hey there. cOvalent bonds consisting sharing of electrons, generally between non-metals, in order to gain 8 electrons, each atom. As for metals, their bond is metallic and more a non-metal+metal, it is ionic, as the metal loses and th non-metal gains electrons. Methane, made up of two non-metals, hydrogen and Carbon are a typical example of a covalent bond. As carbon adds his 4 electrons to the 4 of Hydrogen, by octet rule, it ends up with 8 electrons around it. Hence, the answer is B. Hope you understood it.




alexira [117]3 years ago
4 0
Hey there. cOvalent bonds consisting sharing of electrons, generally between non-metals, in order to gain 8 electrons, each atom. As for metals, their bond is metallic and more a non-metal+metal, it is ionic, as the metal loses and th non-metal gains electrons. Methane, made up of two non-metals, hydrogen and Carbon are a typical example of a covalent bond. As carbon adds his 4 electrons to the 4 of Hydrogen, by octet rule, it ends up with 8 electrons around it. Hence, the answer is B. Hope you understood it.
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A mountain lion jumps to a height of 3.25 m when leaving the ground at an angle of 43.2°. What is its initial speed (in m/s) as
miss Akunina [59]

Recall that

{v_f}^2={v_i}^2+2a\Delta y

where v_i and v_f are the lion's initial and final vertical velocities, a is its acceleration, and \Delta y is the vertical displacement.

At its maximum height, the lion has 0 vertical velocity, so we have

0={v_i}^2-2gy_{\rm max}

where <em>g</em> is the acceleration due to gravity, 9.80 m/s², and we take the starting position of the lion on the ground to be the origin so that \Delta y=y_{\rm max}-0=y_{\rm max}.

Let <em>v</em> denote the initial speed of the jump. Then

v_i=v\sin(43.2^\circ)=\sqrt{2\left(9.80\dfrac{\rm m}{\mathrm s^2}\right)(3.25\,\mathrm m)}\implies\boxed{v\approx11.7\dfrac{\rm m}{\rm s}}

6 0
3 years ago
When a material possesses identical mechanical properties along all directions, it is called a ________ material?
Hunter-Best [27]
<span>This would be an isotropic object. Having isotropy means that, in every direction that the object could be measured, a similar (or the same) value or measure would be reached. This allows an object to be easier to shape and makes it easier to understand and predict the object's behavior under different circumstances.</span>
3 0
3 years ago
An unwary football player collides with a padded goalpost while running at a velocity of 5.70 m/s and comes to a full stop after
ollegr [7]
The relationship between the initial velocity, final velociy, distance, and deceleration can be expressed in the following equation.
          
                     2(a)(0.270 m) = 0² - (5.70 m/s)²

The value of a (which is the deceleration) is 0.06 m/s². Thus, the answer is that the deceleration value is approximately 0.06 m/s².
6 0
4 years ago
HELP!
andriy [413]

Both the conservation of energy and the conservation of matter is important because, without each other, the natural equilibrium will be disrupted.

<h3>What is the law of conservation of energy?</h3>

According to the Law of conservation of energy. Energy can not be created nor be destroyed it can transfer from one to another form.

The total energy is the sum of all the energies present in the system. The potential energy in a system is due to its position in the system.

The conservation of both is important because without each other, the natural equilibrium will be disrupted, and it aids in the maintenance of the food chain.

It is seen as such because there would be no energy without matter and vice versa.

Hence both the conservation of energy and the conservation of matter is important

To learn more about the law of conservation of energy refer;

brainly.com/question/2137260

3 0
2 years ago
Read 2 more answers
A straight, cylindrical wire lying along the x axis has a length L and a diameter d. It is made of a material described by Ohm's
Gekata [30.6K]

Answer:

a) E = V/L x^

b) R = ρL/A = ρL/π(d/2)^2 = 4ρL/πd^2

c) I = V/R x^ = V/(4ρL/πd^2) x^ = πd^2*V/4ρL x^

d) J = I/A = [πd^2*V/4ρL x^]/π(d/2)^2 = V/ρL x^

e) ρJ = ρ(V/ρL x^) = V/L x^ = E

5 0
3 years ago
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