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4 years ago

Temperature cloud cover and thunder are all examples of

Chemistry

1 answer:

Umnica [9.8K]4 years ago

7 0

Temperature, cloud cover and thunder are all examples of weather.

<h3><u>Explanation:</u></h3>

Weather is described as conditions that prevail for a short period of time and the above-mentioned factors change variably throughout the day. Cloud cover simply describes the clouds coverage in the sky. It is one factor that is used to describe weather conditions since the type of clouds indicates prevailing weather.

For example, the presence of cirrus means there will be a storm in 24 to 48 hours. Weather conditions characterized by thunder is said to be stormy and it also has other conditions such as lightning, wind and fast rain with heavy raindrops. Temperature affects the warmness and coldness of the air and its movement. Moreover, it also affects all other aspects of weather conditions.

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Help ASAP<br> How many moles of O2 are in 7.23 mol P

Rudiy27

Answered above

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3 years ago

When an electron in an atom absorbed a photon, the energy of the electron changed by 2.94 x 10-19 J. What is the frequency of th

jok3333 [9.3K]

When an electron in an atom absorbed a photon, the energy of the electron changed by 2.94 × 10⁻¹⁹. The frequency of the photon is 4.4 × 10¹⁴ Hertz .

<h3>How to calculate the frequency of photon ?</h3>

To calculate the frequency of photon use the expression

E = hv

where,

E = Energy

h = Planck's Constant

v = frequency (Hz)

Put the value in above formula we get

E = hv

2.94 × 10⁻¹⁹ = 6.6 × 10⁻³⁴ × v

v = $\frac{2.94 \times 10^{-19}\ J}{6.6 \times 10^{-34}}$

= 0.44 × 10¹⁵

= 4.4 × 10¹⁴

Thus from the above conclusion we can say that When an electron in an atom absorbed a photon, the energy of the electron changed by 2.94 × 10⁻¹⁹. The frequency of the photon is 4.4 × 10¹⁴ Hertz .

Learn more about the Plank's Constant here: brainly.com/question/27163891

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6 0

2 years ago

What is the total number of moles of O2(g) that must react completely with 5.00 moles of C4H10(g)?

Naddika [18.5K]

Answer:

32.5 moles of O2(g) are necessaries for a complete reaction

Explanation:

Based on the reaction of combustion of C4H10(g):

C4H10(g) + 13/2 O2(g) → 4CO2(g) + 5H2O(g)

<em>1 mole of C4H10 needs 13/2 moles O2 for a complete reaction.</em>

<em />

That means, the moles of O2 required for a reaction of 5.00 moles of C4H10 are:

5.00 moles C4H10 * (13/2mol O2 / 1mol C4H10) =

32.5 moles of O2(g) are necessaries for a complete reaction

4 0

3 years ago

f a neutral atom has a mass of 15 amu and an atomic number of 7, determine the number of protons, neutrons, and electrons in the

Aleksandr-060686 [28]

I'm pretty sure there are 5 neutrons and 5 protons and all together they make an electron

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3 years ago

3. What measurement unit is used to measure molecules

lakkis [162]

Answer: It is Mole.

Explanation:

Mole is the SI unit of measurement used to measure the number of things, usually atoms or molecules. One mole of something is equal to 6.02214078×1023 of same things (Avogadro's number).

8 0

3 years ago

Read 2 more answers