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Chemistry

Questions tagged [definitions]

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22 questions
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1 vote
2 answers
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Classically, we are taught the kinetic molecular theory of gases. However, this article on LibreTexts alludes to a bigger picture. This theory [kinetic molecular theory] helps explain observable ...
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6 votes
2 answers
801 views

Does a pyrophoric material require both oxygen and water to be present for the rapid combustion to occur, or is pyrophoric used as the umbrella term for anything that reacts with either oxygen or ...
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1) The definition of "carbohydrates": According to my textbook (basically the bible for the exam I'm writing): Carbohydrates may be defined as optically active polyhydroxy aldehydes or ...
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3 votes
1 answer
247 views

We know several colligative properties in chemistry: vapor pressure depression ($\Delta P$), freezing point depression ($\Delta T_\text{f}$), boiling point elevation ($\Delta T_\text{b}$), and osmotic ...
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1 answer
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While I was reading up on electron displacement effects I noticed the the definition of resonance: It is a way of describing bonding in certain molecules or polyatomic ions by the combination of ...
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I am currently covering SN2 reactions. I have been taught and read from my prescribed textbook that inversion leads to change in absolute configuration I was confused about this so I searched it up ...
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5 votes
2 answers
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The law of definite proportions appears so fundamental that it seems unnecessary to classify it as a law. Just as 2 + 2 always equals 4, water is consistently composed of two hydrogen atoms and one ...
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1 vote
2 answers
419 views

With regard to colloids, what are the distinctions between coagulation and flocculation? Is aggregation distinct from both of these? The definitions I find online make all of these terms seem like ...
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2 answers
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I have read several definitions of the term "physicochemical properties" and none of them seem very precise. Couldn't you, in many cases, just say "properties" and have almost the ...
ike9898's user avatar
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3 votes
2 answers
388 views

I'm struggling with something that seems really simple, and I think it's because I'm stuck on the definition of concentration gradients. If you have a solution with a moderate concentration of ...
Riles's user avatar
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-1 votes
2 answers
133 views

Are all compounds with a ring and double bonds considered cycloalkenes? Can the double bond be outside the ring in a cycloalkene (example: methylenecyclopropane)
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7 votes
1 answer
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I am helping my daughter do her chemistry homework and am stumped by this one. I have a beaker that seems to count by 50s. That makes uncertainty calculations awkward. What is the “next unit down”? ...
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1 answer
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I was told by my supervisor that there is a relation between these two and he talked about a coefficient connecting the two of them. I am currently brushing up a lot of chemistry as I'm a physics ...
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5 votes
2 answers
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I am writing my thesis, and usually I'm quite good with picking the right words for specific phenomena, yet I am having trouble finding the right words for this specific circumstance. I am trying to ...
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1 answer
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The mole was redefined in 2019 to $6.02214076\times 10^{23}$ elementary entities. I've learnt that this means that the mass of one mole of Carbon 12 is now no longer exactly 12g. However isn't ...
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