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2 years ago

What happens to carbon dioxide?

Chemistry

2 answers:

oksian1 [2.3K]2 years ago

5 0

Carbon moves from the atmosphere to the oceans.

Molodets [167]2 years ago

3 0

Moves from the atmosphere to the oceans

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For IR radiation with û = 1,130 cm 1, v=__THz

Dmitry [639]

<u>Answer:</u> The frequency of the radiation is 33.9 THz

<u>Explanation:</u>

We are given:

Wave number of the radiation, $\bar{\nu}=1130cm^{-1}$

Wave number is defined as the number of wavelengths per unit length.

Mathematically,

$\bar{\nu}=\frac{1}{\lambda}$

where,

$\bar{\nu}$ = wave number = $1130cm^{-1}$

$\lambda$ = wavelength of the radiation = ?

Putting values in above equation, we get:

$1130cm^{-1}=\farc{1}{\lambda}\\\\\lambda=\frac{1}{1130cm^{-1}}=8.850\times 10^{-4}cm$

Converting this into meters, we use the conversion factor:

1 m = 100 cm

So, $8.850\times 10^{-4}cm=8.850\times 10^{-4}\times 10^{-2}=8.850\times 10^{-6}m$

The relation between frequency and wavelength is given as:

$\nu=\frac{c}{\lambda}$

where,

c = the speed of light = $3\times 10^8m/s$

$\nu$ = frequency of the radiation = ?

Putting values in above equation, we get:

$\nu=\frac{3\times 10^8m/s}{8.850\times 10^{-4}m}$

$\nu=0.339\times 10^{14}Hz$

Converting this into tera Hertz, we use the conversion factor:

$1THz=1\times 10^{12}Hz$

So, $0.339\times 10^{14}Hz\times \frac{1THz}{1\times 10^{12}Hz}=33.9THz$

Hence, the frequency of the radiation is 33.9 THz

7 0

3 years ago

A. Indicate whether the following descriptions refer to electrolytes or to non-electrolytes.

Leokris [45]

Answer:

1.non electrolytes

2.electrolytes

3.non electrolytes

4.electrolytes

5.electrolytes

6.electrolytes

Explanation:

electrolytes are substance in their molten form which can be decomposed by the passage of electricity exay includes acids,base and salts etc were as non electrolytes cannot be decomposed by the passage of electricity example alcohol,sugar organic solvents etc. Electrolytes in the body like potassium, sodium in their molten form helps to keep the electrical circuitry of the heart well

7 0

3 years ago

Heavy elements such as aluminum and carbon were formed by which of these phenomena? A. Big bang B. Fusion in very large star C.

Anton [14]

The answer is D. Supernova.

4 0

3 years ago

1. A gas having the following composition is burnt under a boiler with 50% excess air.

jeka94

The composition of the stack gas are :

$CH_4$ = 0.8713

$C_3H_8$ = 0.0202

CO = 0.107

<h3 /><h3>What is a mole fraction?</h3>

The ratio of the number of moles of one component of a solution or other mixture to the total number of moles representing all of the components.

Assuming 100 g of the stack gas. Calculate the mass of each species in this sample according to their percentages.

Mass of $CH_4$ : 70% of 100 g = 70 g

Mass of $C_3H_8$ : 15% of 100 g = 15 g

Mass of CO : 15% of 100 g = 15 g

Now calculate the number of moles of each species:

Number of moles of $CH_4$ : $\frac{70 g}{16.04 g/mol}$ = 4.3 mole