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3 years ago

During an experiment, Sandy recorded incorrect observations and measurements. What would be the most

Chemistry

1 answer:

ruslelena [56]3 years ago

3 0

Sandy would reach an incorrect outcome.that's because she will repeat this mistake in the future too.

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Why are leaves different colors?

Marina86 [1]

Why are leaves different colors?
The chlorophyll breaks down

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3 years ago

Explain in a short sentence how you can tell a reaction is a decomposition reaction.

mr Goodwill [35]

Answer: A decomposition reaction occurs when one reactant breaks down into two or more products.

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3 years ago

Electromagnetic radiation with a wavelength of 525 nm appears as green light to the human eye. The energy of one photon of this

Sedbober [7]

Answer: The energy of one photon of the given light is $3.79\times 10^{-19}J$

Explanation:

To calculate the energy of one photon, we use Planck's equation, which is:

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

where,

$\lambda$ = wavelength of light = $525nm=5.25\times 10^{-7}m$ (Conversion factor: $1m=10^9nm$ )

h = Planck's constant = $6.625\times 10^{-34}J.s$

c = speed of light = $3\times 10^8m/s$

Putting values in above equation, we get:

$E=\frac{6.625\times 10^{-34}J.s\times 3\times 10^8m/s}{5.25\times 10^{-7}mm}\\\\E=3.79\times 10^{-19}J$

Hence, the energy of one photon of the given light is $3.79\times 10^{-19}J$

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3 years ago

What is one way water moves through the nonliving parts of an ecosystem during the water system?

tatyana61 [14]

Answer:

Water moves through the help of living organisms in an ecosystem. ... Plants absorbs water through their root system and loss by transpiration. Water also moves through the living organisms in an ecosystem. Other nonliving processes such as evaporation, precipitation, water returns back into the atmosphere.

Explanation:

hope this helps you

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3 years ago

Read 2 more answers

HEEELP! What are some examples of nuclear fusion? Select all the correct answers.

Naya [18.7K]

Answer:

A B D

Explanation:

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3 years ago