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2 years ago

Which of the following best describes why ddt is classified as a persistent organic pollutant.

SAT

1 answer:

Ostrovityanka [42]2 years ago

5 0

The reasons why DDT is classified as a persistent organic pollutant are;

DDT can be used to control diseases, such as malaria and typhus, that are spread by insects.

DDT is detected in food worldwide and the general human population is most commonly exposed to the toxin through food.

Persistent Organic Pollutants can be regarded as toxic substances which are made up of organic chemical compounds.

These are industrial chemicals such as;

PCBs

pesticides like DDT.

DDT is classified as a persistent organic pollutant because of it's usefulness in control diseases and it is been found in food stuff across the globe.

Learn more about DDT at;

brainly.com/question/14154063

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2 years ago

A sample of oxygen gas is confined at 127°c and 0.80 atm. if volume of the container holding the gas stayed the same, what would

sveticcg [70]

Based on the calculations, the pressure of this gas sample at 27°C is equal to 0.17 atm.

<h3>How to determine the final pressure.</h3>

In order to calculate the final pressure of an ideal gas at constant volume, we would apply Gay Lussac's law.

Mathematically, Gay Lussac's law is given by this formula;

$P\;\alpha \;T\\\\P=kT$

<u>Where:</u>

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T is the temperature.

k is the constant of proportionality.

Substituting the given parameters into the formula, we have;

$\frac{P_1}{T_1} =\frac{P_2}{T_2} \\\\\frac{0.80}{127} =\frac{P_2}{27} \\\\0.0063 =\frac{P_2}{27}\\\\P_2 = 0.0063 \times 27$

Final pressure = 0.17 atm.

Read more on temperature here: brainly.com/question/888898

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