Which statement best describes the difference between a substance with a pH of 2.0 versus a substance with a pH of 4.0?(1 point)A. The substance with a pH of 2.0 would have twice as many hydrogen ions per volume of water. B. The substance with a pH of 4.0 would have 100 times as many hydrogen ions per volume of water. C. The substance with a pH of 4.0 would have twice as many hydrogen ions per volume of water. D. The substance with a pH of 2.0 would have 100 times as many hydrogen ions per volume of water.
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Chemistry, 21.06.2019 20:30
What problem would a person have if the nucleic acid in one of his or her cells were damaged?
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Chemistry, 22.06.2019 11:00
The human eye contains a molecule called 11-cis-retinal that changes shape when struck with light of sufficient energy. the change in shape triggers a series of events that results in an electrical signal being sent to the brain that results in vision. the minimum energy required to change the conformation of 11-cis-retinal within the eye is about 164 kj/mol.
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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 22:00
Imagine one batch of soup (batch “a”) is made with 8.19 g/can of salt, according to the recipe, and a second batch of soup (batch “b”) is made with 8.32 g/can of salt. explain which batch would be more resistant to frost damage if it is shipped a great distance in winter and explain why.
Answers: 2
Which statement best describes the difference between a substance with a pH of 2.0 versus a substanc...
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