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

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