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Aleksandr-060686 [28]
2 years ago
14

20 POINTS AND BRAINLIEST

Chemistry
1 answer:
maksim [4K]2 years ago
7 0

Answer:

ceramic

Explanation:

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Which statement describes clean air as a natural resource? Select three options.
Mumz [18]

Answer:

a,d,e

Explanation:

its a,d, and e because clean air keeps us alive and other organisms need it to stay alive

6 0
3 years ago
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How many bromines atoms are present in 33.3 g of ch2br2?
Agata [3.3K]
37.8 g CH2Br2 X (1 mol CH2Br2 / 173.83 g) = 4.60X10^-3 mol CH2Br2 

<span>4.60X10^-3 mol CH2Br2 X (2 mol Br / 1 mol CH2Br2) X 6.02X10^23 atoms/mol = 5.54X10^21 bromine atoms.

I think this is the answer.</span>
8 0
3 years ago
about the lung with balloons what respiratory organ do the small balloons represents? the big balloons?
butalik [34]

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The plastic bottle represents the chest cavity, the straws act as the bronchi, the small balloons inside the plastic bottle serves as the lungs and the big balloon at the bottom of the plastic bottle is the diaphragm.

Explanation:

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2 years ago
Studies have found that lab coats are typically washed every 1 to 2 weeks. These lab coats often contain harmful germs that can
Artyom0805 [142]

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The answer is nosocomical.

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It was transmitted from a hospitial.

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2 years ago
Write and balance the equation for the combustion of the fatty acid stearic acid, (C18H36O2).Express your answer as a chemical e
Serggg [28]

The combustion of the fatty acid called stearic acid has the  the complete equation; C18H36O2(s) + 26O2(g) ------> 18CO2 (g) + 18 H2O(g)

<h3>What is combustion?</h3>

The term combustion has to do with the burning of a substance in air. For organic compounds, we get carbon dioxide and water as the products.

Thus, for the combustion of the fatty acid called stearic acid, the complete equation is; C18H36O2(s) + 26O2(g) ------> 18CO2 (g) + 18 H2O(g)

Learn more about combustion:brainly.com/question/15117038?

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