Chemistry, 21.05.2021 17:10 caitybugking
It is desirable that pesticides eventually decompose in the environment to give harmless
products. If the half-life for the decomposition of a certain pesticide is 10.2 years, and
the present concentration of this pesticide in a lake is 3.1 × 10-5 /mL, what was its
concentration 4 years ago?
Answers: 1
Chemistry, 21.06.2019 12:50
Which features are shown in the image? check all that apply. folds o anticlines o synclines o normal faults ostrike-slip faults
Answers: 1
Chemistry, 21.06.2019 16:00
If the same amount of cacl2 is added to equal volumes of water and maple syrup, which will have the higher temperature?
Answers: 1
Chemistry, 22.06.2019 20:40
What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.
Answers: 1
Chemistry, 23.06.2019 00:30
Ok, so i have 2 questions. try to answer them both: (the topic is fire) 1) how can you represent the chemical reaction of fire? 2) what kind of bond is formed in this chemical reaction
Answers: 3
It is desirable that pesticides eventually decompose in the environment to give harmless
products....
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