A chemical substance that increases the reaction rate and lowers the activation energy needed to start a reaction is
called a(n)
A chemical substance that that can slow the rate, or stop a chemical reaction entirely, is called a(n)
A catalyst is
in a chemical reaction
Answers: 3
Chemistry, 22.06.2019 12:00
Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.
Answers: 1
Chemistry, 23.06.2019 02:00
As light moves from one material into the next, which of the following affects how much the light waves will refract, or bend? angle at which the ray strikes the medium color of the material density of the material temperature of the light wave
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Chemistry, 23.06.2019 03:30
If you need to add 27.50ml of a solution, which piece of glassware would you use to deliver this volume and explain how you would determine if the 27.50 ml was measured?
Answers: 2
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.
Answers: 3
A chemical substance that increases the reaction rate and lowers the activation energy needed to sta...
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