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Aleksandr [31]
3 years ago
12

What is love and why it's to forget about it.

Chemistry
1 answer:
kozerog [31]3 years ago
7 0

Answer:

Love is an emotion you feel for someone or something very closely and enjoy spending time with them. Love can be a good thing and bad. It can be bad by being rejected by the person you like or even love. After that you might say you never want love again. But without love you might not be the person you are now. You now might know your mistakes and will do better the next time. Without love you won't have any cherishful moments. You might even turn depressed. But the past is the past, and you must look forward.

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13. What is the photon energy associated with visible light with a wavelength of 4.25x10^-7 m?
4vir4ik [10]

\\ \sf\bull\longmapsto E=hv

\\ \sf\bull\longmapsto E=\dfrac{hc}{\lambda}

\\ \sf\bull\longmapsto E=\dfrac{6.626\times 10^{-34}Js\times 3\times 10^8ms^{-1}}{4.25\times 10^{-7}m}

\\ \sf\bull\longmapsto E=\dfrac{19.878\times 10^{-26}Jm}{4.25\times 10^{-7}m}

\\ \sf\bull\longmapsto E=4.677\times 10^{-19}J

\\ \sf\bull\longmapsto E=4677\times 10^{-16}J

\\ \sf\bull\longmapsto E=4677eV

5 0
2 years ago
Classify the following reactions into: Element – Element, Element – Compound, Compound – Compound
Rudiy27

Answer:

1. CaO + H₂O ----> Ca(OH)₂

Compound ----- Compound

2. 2 Na + Cl₂ ----> 2 NaCl

Element ----- Element

3. 2 SO₂ + O₂ ----> 2 SO₃

Element ----- Compound

3 0
2 years ago
This chemical equation represents the burning of methane, but the equation is incomplete. What is the missing coefficient in bot
Zolol [24]
CH4+(x)O2=CO2 +(Y)H2O
C=1 +H=4 +O=? = C=1 +O=2+? +H=?
H=4>>Y=2
C=1 +H=4 +O=? = C=1 +O=(2+2) +H=4
C=1 +H=4 +O=4 = C=1 +O=4 +H=4
O=4>>X=2
CH4+(2)O2 =CO2 +(2)H2O

6 0
3 years ago
Read 2 more answers
A model of the solar system with the Sun at the center is said to be heliocentric.
torisob [31]
True is the correct because helio means sun in greek  and the sun is in the center of our universe
3 0
3 years ago
Read 2 more answers
From Young's experiment, how does the frequency of light affect the number of lines observed?
Marina CMI [18]

Answer : (C) "Higher frequencies have larger spaces between lines".

Explanation:

In Young's experiment, the condition for constructive interference is given by :

dsin\theta=n\lambda.........(1)

n is order or number of lines observed

d is distance between slits

\theta is the angle between the path and the line from screen to the slits.

We also know that, c=\nu \lambda

or

\lambda=\dfrac{c}{\nu}

where,

c is the speed of light

\nu is frequency

\lambda is wavelength

So, equation (1) turns into

dsin\theta=n\dfrac{c}{\nu}

\nu=\dfrac{n\ c}{d\ sin\theta}

So,

\nu\propto n

or

Higher frequencies have larger spaces between line.

So, correct option is (C).

3 0
2 years ago
Read 2 more answers
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