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Vlad1618 [11]
3 years ago
7

Why does a green leaf look green in our eyes

Physics
2 answers:
maria [59]3 years ago
8 0

Answer:

because the leaf absorbs all the other colors except for green. So the leaf reflects the green color which is what we see. that is why a leaf spears to be green.

Explanation:

floor gang aooh sub to pewdiepie

mamaluj [8]3 years ago
3 0
They look green because of the “special pair” of chlorophyll molecules.
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Which result occurs during an exothermic reaction?
Irina-Kira [14]

In exothermic reactions, heat and light are released to the surrounding environment. On the other hand, in an endothermic reaction, heat is required and therefore it can be considered as a reactant.

  • In exothermic reactions, light and heat are released into the environment (Option D).

  • Exothermic reactions release energy in the form of heat or light.

  • Combustion reactions are generally exothermic reactions.

  • After an exothermic reaction takes place it is possible to observe that the energy of the products of the reaction is lesser than the energy of the reactants.

  • The energy released in exothermic reactions is evidenced by the increase in temperature of the reaction.

Learn more in:

  • brainly.com/question/11753370?referrer=searchResults
3 0
2 years ago
The idea that earth was the center of the universe is an example of ___ that has long been discarded
aleksandrvk [35]
Hello. The answer to your question is ''<span>hypothesis''. I hope this helps! </span>
4 0
3 years ago
Read 2 more answers
How much work is done (by a battery, generator, or some other source of potential difference) in moving Avogadro's number of ele
luda_lava [24]

Answer:

W = 1.5 x 10⁶ J = 1.5 MJ

Explanation:

First, we calculate the potential difference between the given 2 points. So, we have:

V₁ = Electric Potential at Initial Position = 6.7 V

V₂ = Electric Potential at Final Position = - 8.9 V

Therefore,

ΔV = Potential Difference = V₂ - V₁ = -8.9 V - 6.7 V = - 15.6 V

Since, we use magnitude in calculation only. Therefore,

ΔV = 15.6 V

Now, we calculate total charge:

Total Charge = q = (No. of Electrons)(Charge on 1 Electron)

where,

No. of Electrons = Avagadro's No. = 6.022 x 10²³

Charge on 1 electron = 1.6 x 10⁻¹⁹ C

Therefore,

q = (6.022 x 10²³)(1.6 x 10⁻¹⁹ C)

q = 96352 C

Now, from the definition of potential difference, we know that it is equal to the worked done on a unit charge moving it between the two points of different potentials:

ΔV = W/q

W = (ΔV )(q)

where,

W = work done = ?

W = (15.6 V)(96352 C)

<u>W = 1.5 x 10⁶ J = 1.5 MJ</u>

7 0
3 years ago
A 12 kg bowling ball would require what force to accelerate it down an alley at a rate of 2.5 m/s ^ 2
alisha [4.7K]

Answer:

hi

Explanation:

hiijjjjjjjjjjjjjjj

8 0
3 years ago
The power in an electrical circuit is given by the equation P = I2R, where I is the current flowing through the circuit and R is
kiruha [24]

Answer:

Explanation: Here we have given a direct equation . There for no need to worry .

P = I²×R

P = (12)² ×100

P = 14400W = 14.4 kW

For second one

P = I² ×R

200 = I²×150

I = √200/150

I = 1.15 A

5 0
3 years ago
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