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Dovator [93]
3 years ago
8

Photochemical smog is formed when primary pollutants interact with

Chemistry
1 answer:
ivolga24 [154]3 years ago
5 0

Answer: Sunlight.

Explanation:

Photochemical smog is formed when primary pollutants such nitrogen oxides and volatile organic compound (VOC) react with sunlight, forming a brown haze above cities.

Photochemical smog can only occur during the day.

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A chef makes salad dressing by mixing oil, vinegar, and spices. Which type of matter is the salad dressing? A. Element B. Compou
Allisa [31]
<h3>Answer:</h3>

              Heterogeneous mixture

<h3>Explanation:</h3>

                      The easiest way of defining Heterogeneous mixture is that it is mixture in which the composition of components is not uniform. Also, the substances present in this mixture are visible to naked eye. In fact, the size of solutes in heterogeneous mixture is greater as compared to that the sizes of solutes in homogeneous solutions. hence in salad dressing the oil, vinegar and spices are all visible and can easily be seen by naked eye.

4 0
4 years ago
Read 2 more answers
3)<br> How many atoms are in 14 moles of cadmium?
andre [41]

Answer:

8.4322\times10^{24} atoms atoms are in 14 moles of cadmium.

Explanation:

Cadmium is a white and  silvery  metal  that is found in the curst of the earth.During the  production process of metals such as lead, copper, zinc, cadmium is extracted

Cadmium is present in some foods and is emitted when fossil fuels like as coal and oil is used, smoking cigarettes. It is used in craft glazes, metal batteries, and coatings.

We know that 1 mole of  Cadmium (Cd contains) 6.023*1023 atoms, which is Avogadro's number.

So in 14 Grams of Cadmium, the number of atoms present is,

=>14×number atoms present in one cadmium atom

=>14\times 6.023\times10^{23}

=>8.4322\times10^{24} atoms

5 0
4 years ago
An instant cold pack purchased in a pharmacy contains a packet of solid ammonium nitrate surrounded by a pouch of water. When th
gavmur [86]

Answer:

c

letra c certeza confia

8 0
3 years ago
Write the balanced equation for the formation of carbon dioxide.
ohaa [14]
C + O2 ——> CO2
Carbon plus oxygen forms carbon dioxide
4 0
3 years ago
What is the wavelength, in nanometers, of light with a frequency of 5.89 x 10¹⁴ s⁻¹?
vovangra [49]

Answer:

<em><u>≅ 50, 909 nm</u></em>

Explanation:

Wavelength, λ = \frac{speed}{freq}

Given:

speed of light = 3*10^{8} m/s

f = 5.89 × 10^{14}

∴ λ = 3×10^{8} / 5.89 × 10^{14}

= 0.0000509 m <em><u>≅ 50, 909 nm</u></em>

<em><u /></em>

<em>Let me know if you need further assistance</em>

7 0
3 years ago
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