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Alex
2 years ago
10

Would someone mind helping me? I really need this answer but I'm so confused. I would appreciate any help :) and if you get the

answer right, ill give you brainliest.

Chemistry
2 answers:
Svetllana [295]2 years ago
7 0

Answer:

A

Explanation:

liquids thake the shape of what holds them so shape is changing and volume is the same

iogann1982 [59]2 years ago
6 0
Your answer would be letter A!! goodluck with your quiz ig
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If the detector is capturing 3.3×108 photons per second at this wavelength, what is the total energy of the photons detected in
Reil [10]

Answer:

The total energy of the photons detected in one hour is 7.04*10⁻¹¹ J

Explanation:

The energy carried by electromagnetic radiation is displaced by waves. This energy is not continuous, but is transmitted grouped into small "quanta" of energy called photons. The energy (E) carried by electromagnetic radiation can be measured in Joules (J). Frequency (ν or f) is the number of times a wave oscillates in one second and is measured in cycles / second or hertz (Hz). The frequency is directly proportional to the energy carried by a radiation, according to the equation: E = h.f, (where h is the Planck constant = 6.63 · 10⁻³⁴ J / s).

Wavelength is the minimum distance between two successive points on the wave that are in the same state of vibration. it is expressed in units of length (m). In light and other electromagnetic waves that propagate at the speed of light (c), the frequency would be equal to the speed of light (≈ 3 × 10⁸ m / s) between the wavelength :

f=\frac{speed of light}{wavelength}

So:

E=\frac{h*speed of light}{wavelength}

In this case, the wavelength is 3.35mm=3.35*10⁻³m and the energy per photon is:

E=\frac{6.63*10^{-34}*3*10^{8}}{3.35*10^{-3} }

E=5.93*10⁻²³ \frac{J}{proton}

The detector is capturing  3.3*10⁸ photons per second. So, in 1 hour:

E=5.93*10^{-23} \frac{J}{proton} *3.3*10^{8} \frac{proton}{s} *\frac{60}{1} \frac{s}{minute} *\frac{60}{1} \frac{minute}{hr}

E=7.04*10⁻¹¹ \frac{J}{hr}

The total energy of the photons detected in one hour is 7.04*10⁻¹¹ J

3 0
3 years ago
Please if anyone know this question, tell me its answer. I will be very thankful to you<br>​
Verizon [17]
Ch-c§c will get the answer
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2 years ago
11. A new compound has just been developed. Its formula is:
jarptica [38.1K]

Answer:

6.

Explanation:

G, H, O, N, Na, P

There are 6 different elements listed, with O (oxygen) showing up twice.

7 0
3 years ago
Which of the following is an example of genetic engineering
Alla [95]

Answer:

B:  Inserting a gene from a flounder into salmon DNA to produce antifreeze proteins.

Explanation:

Hope this helps.

5 0
3 years ago
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Freshwater is distributed in both time and space
Neko [114]
Answer:

Unevenly

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Fresh water is distributed unevenly in both time and space.
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