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2 years ago

12

Tiny water droplets in the air disperse the white light of the sun into a rainbow. What is the energy of a photon from the red p

ortion of the rainbow if it has a frequency of 4.57 × 10^14s^–1?

1 answer:

Yakvenalex [24]2 years ago

4 0

The answer is :

3.02 X 10–19 J

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Whick ions profuce similar colors in the flame tests?

arlik [135]

Ba2+ and Cu2+, and Sr2+ and Li+

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2 years ago

I'd really appreciate help- this is due in around 8 hours :"D

Fed [463]

Answer:

atomic #= 1

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2.

atomic number equals to 1
Protons equals to 1
number of neutrons equals to 0
number of electrons equals to 0 because the plus sign means that it loses an electron
mass number equals to 1

3.

atomic number 17
number of protons 17
number of neutrons 18
number for electrons 18 Because negative sign means It's an anion which means it gains an electron
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4.

12
12
12
10 loses 2 its a cation
24

5.

47
47
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2 years ago

Why is peer review an important part of the scientific process?

BigorU [14]

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How would you describe the behavior of particles in a solid?

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A.

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2 years ago

What are the conjugate acid-base pairs in the following chemical reaction? HBr(aq)+ CH3COOH(aq) ⇌ CH3C(OH)2+(aq) + Br-(aq)

agasfer [191]

Answer:

HBr, CH3C(OH)2 and CH3COOH, Br-

Explanation:

The conjugate acid-base pairs acid reacts with base to form a conjugate acid and conjugate base.

Conjugate acid is formed when a bases receives a proton (H+) and a conjugate base is formed when an acid losses a proton (H+).

From the given equation:

HBr, CH3C(OH)2 and CH3COOH, Br- are conjugate acid-base pair, where HBr is an acid and CH3C(OH)2 is a conjugate acid while CH3COOH and Br- is the conjugate base.

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3 years ago