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Vika [28.1K]
3 years ago
14

A particle of light has a wavelength of 7.0×10−7 m. What color of light is represented and what is the amount of energy released

in a photon of light?
Chemistry
1 answer:
Alisiya [41]3 years ago
5 0

Answer:

red and 4.6×10^-40

Explanation:

The energy of a foton is calculated by thefollowing formula: Efoton=h×(c/lapda). Fill in 7.0×10^-7 gives us Efoton=6.626×10^-34 (planck constant) × 7.0×10^-7=4.6×10^-40.

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considering what you now know about boyle’s law, make a prediction based on the following situation. what would happen to the pr
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The pressure would increase because the volume of space the gas takes up decreases once the bottle is squeezed. There is less room for the gas particles to move around meaning more collisions between the particles occur.

Explanation:

5 0
3 years ago
A large piece of jewelry has a mass of 132.6 g. A graduated cylinder initially contains 48.6 mL water. When the jewelry is subme
Eduardwww [97]

Answer: a) The density of the jewelry will be  0.573g/cm^3

b) The element is silver.

Explanation:

Density is defined as the mass contained per unit volume.

Density=\frac{mass}{Volume}

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Volume of jewelry = volume of water displaced = (61.2-48.6)=12.6ml

Putting in the values we get:

Density=\frac{132.6g}{12.6ml}=10.52g/ml

Thus density of the jewelry will be 10.52g/ml

As density is characteristic of a particular material , the material must be silver which has a density of 10.5 g/ml.

3 0
3 years ago
KNO
Artyom0805 [142]

Answer:

that so hard man its okay

5 0
3 years ago
How many calories is 130. joules?
skad [1K]
1 Cal ---------- 4.184 J
? Cal ---------- 130.0 J

130.0 x 1 / 4.184 => 31.07 Cal

hope this helps!


6 0
4 years ago
When making calculations, you should rely on the precision of your measured data.
ELEN [110]
True 

Im happy i could help you today 

have a great rest of ur week :)
3 0
3 years ago
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