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Chemistry, 22.06.2019 05:30
Compare and contrast physical changes with chemical changes.
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Chemistry, 23.06.2019 08:30
Benzonitrile (c6h5cn) is reduced to two different products depending on the reducing agent used. treatment with lithium aluminum hydride followed by water forms k, which has a molecular ion in its mass spectrum at 107 and the following ir absorptions: 3373, 3290, 3062, 2920, and 1600 cm-1. treatment with a milder reducing agent forms l, which has a molecular ion in its mass spectrum at 106 and the following ir absorptions: 3086, 2850, 2820, 2736, 1703, and 1600 cm-1. l shows fragments in its mass spectrum at m/z = 105 and 77. propose structures for k and l and choose an explanation for how this could be concluded.
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Chemistry, 23.06.2019 09:50
When scientists are ready to publish the results of their experimentation, why is it important for them to include a description of the procedures they used?
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Chemistry, 23.06.2019 19:10
Which of the following questions can use science as a method of inquiry? is cloning appropriate? how can we protect crops from drought? why is jazz a great type of music? did dinosaurs exist?
Answers: 2
Choose an element that will gain 1 electron in order to achieve noble gas configuration? what is th...
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