Chemistry, 19.09.2021 04:00 BustD0wnAnt
In 1859, Louis Pasteur designed an experiment to address spontaneous generation. He used a curved-neck flask that allowed the air inside the flask to mix with air outside the flask, but prevented solid particles, like microorganisms, from entering the body of the flask. Broth boiled inside the experimental curved neck flasks remained clear for up to a year. But when Pasteur broke off the curved necks, the broth became cloudy and contaminated within a day. Pasteur reasoned that the contamination was due to microorganisms in the air. Based on the results of Pasteur's experiment, formulate a conclusion regarding the expected results in the third flask? ​
Answers: 3
Chemistry, 22.06.2019 07:00
6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space
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Chemistry, 22.06.2019 20:40
Select the correct value for the indicated bond angle in each of the compounds. o−o−oo−o−o angle of o3 90° 109.5° < 109.5° 120° < 120° 180° f−b−ff−b−f angle of bf3 180° < 109.5° < 120° 120° 109.5° 90° f−o−ff−o−f angle of of2 < 120° 120° 90° 109.5° 180° < 109.5° cl−be−clcl−be−cl angle of becl2 90° 109.5° 180° 120° < 109.5° < 120° f−p−ff−p−f angle of pf3 90° 109.5° < 109.5° 180° 120° < 120° h−c−hh−c−h angle of ch4 90° < 109.5° 180° 120° < 120° 109.5°
Answers: 1
Chemistry, 22.06.2019 22:50
At the current rate, a graph of carbon dioxide produced by fossil fuels over time would slope upward slope downward be horizontal be vertical
Answers: 3
In 1859, Louis Pasteur designed an experiment to address spontaneous generation. He used a curved-ne...
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