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3 years ago

How do you think plants are formed

Chemistry

1 answer:

8090 [49]3 years ago

7 0

Answer:

Plants use their leaves to make food. Oxygen is created as a by-product. During photosynthesis, plant leaves take in carbon dioxide from the atmosphere. Using the energy from sunlight, this is combined with water drawn up from the roots to make glucose.

HOPE THIS HELPED!!!!!!!!!!!!XDDDD

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Given that RH= 2.18 x 10⁻¹⁸J, 1 nm = 1 x 10⁻⁹m, h = 6.63 x 10⁻³⁴J·s, and c = 3.00 x 10⁸m/s:

Bas_tet [7]

Answer:

The wavelength the light emitted by a hydrogen atom during a transition is 1006 nm.

Explanation:

By using Rydberg's Equation we cab determine the wavelength of the light:

$\Delta E=R_H\times Z^2\left(\frac{1}{n_i^2}-\frac{1}{n_f^2} \right )$

Where,

$\Delta E$ = Energy difference

$R_H$ = Rydberg's Constant

$n_f$ = Final energy level

$n_i$ = Initial energy level

We have : $n_i=7,n_f=3$ , Z = 1

$R_H=2.18\times 10^{-18} J$

$\Delta E=2.18\times 10^{-18} J\times 1^2\left(\frac{1}{7^2}-\frac{1}{3^2} \right )$

$\Delta E=1.9773\times 10^{-19} J$

Now by using Plank's equation we can determine the wavelength of the light emitted.

$E=\frac{hc}{\lambda }$

E = Energy of the emitted light

h = Planck's constant = $6.63\times 10^{-34} Js$

c = speed of light = $3.00\times 0^8 m/s$

For the given transition the energy of the light = E

$E =1.9773\times 10^{-19} J$

$\lambda=\frac{hc}{E}=\frac{6.63\times 10^{-34} Js\times 3.00\times 0^8 m/s}{1.9773\times 10^{-19} J}$

$\lambda =1.006\times 10^{-6} m =1.006\times 10^{-6}\times 10^9=1006 nm$

The wavelength the light emitted by a hydrogen atom during a transition is 1006 nm.

3 0

3 years ago

CAN YOU PLZ HELP ME ITS TIMED BRAINLIEST!

Rashid [163]

Answer:

the sexual reproduction

Explanation:

3 0

3 years ago

When a fast moving particle runs into a slower moving particle<br> what happens ?

Dvinal [7]

Answer:

It depends upon the mass of the particles also. Assuming equal mass, then the slower moving particle gains some energy, and the faster-moving particle loses energy. However, if the slower moving particle had greater mass, it could transfer energy to the faster-moving particle.

Explanation:

Hope I could help! :)

4 0

3 years ago

How would you expect this object to behave if it starts out not moving? (The object is the circle, and the arrows show forces ac

Anika [276]

Answer:

I am 100% sure that it is A, speeding up and moving to the left

Explanation:

I took the test and got 100%.

Hope this helps!

3 0

3 years ago

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Protons, Neutrons, and Electrons Practice Worksheet

ANTONII [103]

Answer:

Sorry I am not good at chemistry

Explanation:

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3 years ago