Redox Reactions: Crash Course Chemistry #10
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Date: 2022-04-04
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Comments and reviews: 9
jcmorales1564
Halogens have a very high ionization energy (not low, as written on the periodic table at 4: 54. Only the noble gases have higher ionization energies. Ionization energy is the amount of energy required to remove an electron from an atom. So, it is very difficult to remove electrons from the halogens, and even more so from the noble gases. In contrast, the alkalis have very low ionization energies. Great video! Thank you!
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Halogens have a very high ionization energy (not low, as written on the periodic table at 4: 54. Only the noble gases have higher ionization energies. Ionization energy is the amount of energy required to remove an electron from an atom. So, it is very difficult to remove electrons from the halogens, and even more so from the noble gases. In contrast, the alkalis have very low ionization energies. Great video! Thank you!
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Melt
Here-s a good way of remembering why reduction is called -reduction-. Electrons are negatively charged, so a -gain- in electron caused a -reduction- in charge. Like if Sodium cation (+1) charge recieves an electron, it become Na(0 charge, so it-s charge reduces
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Here-s a good way of remembering why reduction is called -reduction-. Electrons are negatively charged, so a -gain- in electron caused a -reduction- in charge. Like if Sodium cation (+1) charge recieves an electron, it become Na(0 charge, so it-s charge reduces
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crash_course
if atoms in their elemental form have an oxidation number of zero, then how come Ag at the end of the redox reaction has oxidation number of +1 if he says it is elemental silver? someone pls shed light v confused
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if atoms in their elemental form have an oxidation number of zero, then how come Ag at the end of the redox reaction has oxidation number of +1 if he says it is elemental silver? someone pls shed light v confused
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02
9: 02 Hey aldehyde is not a neutral compound on itself. It need a hydrogen or an alkyl or an aryl to become neutral. So Carbon should have an oxidation of either +2 or -4. Same for the carboxylic acid. Am I right?
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9: 02 Hey aldehyde is not a neutral compound on itself. It need a hydrogen or an alkyl or an aryl to become neutral. So Carbon should have an oxidation of either +2 or -4. Same for the carboxylic acid. Am I right?
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Alana
you can also think of reduction as the reduction of CHARGE that occurs when an atom gains electrons. When an atom starts with a charge of 0 but gains an electron, its overall charge is REDUCED to -1
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you can also think of reduction as the reduction of CHARGE that occurs when an atom gains electrons. When an atom starts with a charge of 0 but gains an electron, its overall charge is REDUCED to -1
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Cristiano
At 7: 48 isn't it +6 electrons instead of +3 because you have oxidation state of negative 3 on one Nitrogen and you have 2Nitrogen, same thing after for the Hidrogen?
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At 7: 48 isn't it +6 electrons instead of +3 because you have oxidation state of negative 3 on one Nitrogen and you have 2Nitrogen, same thing after for the Hidrogen?
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Don
An interesting Crash Course topic might be the burning of gasoline and the mass or (especially) the weight of the combustion products, CO2 and water.
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An interesting Crash Course topic might be the burning of gasoline and the mass or (especially) the weight of the combustion products, CO2 and water.
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Jonathan
Is that Trump? Please tell me that's not Trump. I don't want this wonderful video to be prescient in any way. That'd make me cry -
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Is that Trump? Please tell me that's not Trump. I don't want this wonderful video to be prescient in any way. That'd make me cry -
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Aina
Can I ask whether anyone here knows about the methods of doing the experiment in the video (Silver diamine with the aldehyde?
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Can I ask whether anyone here knows about the methods of doing the experiment in the video (Silver diamine with the aldehyde?
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