Recent questions in Chemistry

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How does the cooling rate affect the crystallinity and crystal morphology of a polymer?

asked Feb 19 in Polymer Chemistry by JereGerald1 (1.6k points)

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1 answer 34 views

How does the cooling rate affect the crystalline morphology of polyethylene?

asked Feb 19 in Polymer Chemistry by EmanuelWaldo (2.0k points)

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1 answer 33 views

How does the cooling rate affect the crystalline morphology of a polymer and what is the relationship between the crystalline morphology and the mechanical properties of the polymer?

asked Feb 19 in Polymer Chemistry by Murray05Y450 (1.9k points)

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How does the cooling rate affect the crystalline structure and morphology of a polymer during its solidification process?

asked Feb 19 in Polymer Chemistry by MaryellenGra (2.1k points)

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1 answer 37 views

What is the effect of cooling rate on the crystallization of polyethylene and polypropylene? Can you explain the observed differences in morphology and properties for both polymers?

asked Feb 19 in Polymer Chemistry by Hulda4183859 (2.2k points)

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1 answer 33 views

How does the cooling rate affect the crystal structure and morphology of polyethylene during polymer crystallization?

asked Feb 19 in Polymer Chemistry by ClintCasiano (1.8k points)

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How does the cooling rate affect the morphology and crystal structure of a polymer during crystallization?

asked Feb 19 in Polymer Chemistry by SVNCarissa5 (1.8k points)

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How does the cooling rate during polymer crystallization affect the morphological features of the resulting polymer structure?

asked Feb 19 in Polymer Chemistry by BrigetteCors (2.5k points)

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1 answer 30 views

How does the cooling rate and polymer composition affect the crystallization and morphology of polymers?

asked Feb 19 in Polymer Chemistry by Hanna191905 (2.0k points)

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1 answer 38 views

How does cooling rate and melt processing affect the crystallization behavior and morphology of polyethylene terephthalate (PET) ?

asked Feb 19 in Polymer Chemistry by HungZ257369 (1.9k points)

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1 answer 34 views

What is the reaction mechanism of the conversion of methanol to formic acid in the presence of a water molecule? Use quantum chemical calculations to determine the transition state, activation energy, and Gibbs free energy of the reaction.

asked Feb 19 in Computational Chemistry by AnnKetner183 (2.3k points)

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1 answer 45 views

What is the complete reaction mechanism for the conversion of methane to methanol using quantum chemical calculations?

asked Feb 19 in Computational Chemistry by Calvin40083 (1.6k points)

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1 answer 30 views

What is the chemical reaction mechanism for the conversion of an alkene to an alcohol using acidic potassium permanganate as the oxidizing agent, and how does the functional group of the alkene change during the reaction?

asked Feb 19 in Organic Chemistry by OtisBrumbaug (1.8k points)

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1 answer 41 views

What is the reaction mechanism for the conversion of an alcohol to an alkene using a strong acid catalyst, and what factors affect the selectivity of this reaction?

asked Feb 19 in Organic Chemistry by TroyPurton77 (1.9k points)

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1 answer 44 views

What is the mechanism for the conversion of a carboxylic acid to its corresponding acid chloride using thionyl chloride? Provide the balanced chemical equation and explain the reaction step by step.

asked Feb 19 in Organic Chemistry by VanceW838771 (1.9k points)

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1 answer 30 views

What is the chemical process involved in the conversion of a carboxylic acid to a corresponding acid anhydride and how does the reaction mechanism differ when using a carboxylic acid chloride instead?

asked Feb 19 in Organic Chemistry by GFXFlorida24 (1.5k points)

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1 answer 30 views

What is the mechanism of conversion of a carboxylic acid into its corresponding acid chloride using thionyl chloride and how can this reaction be utilized in the synthesis of esters?

asked Feb 19 in Organic Chemistry by MellisaOlivo (1.9k points)

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1 answer 38 views

What is the mechanism of the conversion of 2-methylpropylbenzene and carbon dioxide into ibuprofen in the presence of a catalyst, and how can the yield of ibuprofen be optimized?

asked Feb 19 in Chemical synthesis by Ben56061281 (1.4k points)

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1 answer 33 views

What is the relationship between the conjugation length of a polymer and its optical properties, such as absorption and emission spectra? How can we calculate the excited states of conjugated polymers using quantum mechanical methods?

asked Feb 19 in Quantum Chemistry by OlgaMoonligh (2.2k points)

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1 answer 36 views

How does the conjugation length of a polymer affect its electronic and optical properties, such as its energy levels and absorption spectrum?

asked Feb 19 in Quantum Chemistry by TajSanford4 (2.2k points)

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