Questions by BarryBabbidg

0 votes

1 answer 37 views

How can Dynamic Mechanical Analysis (DMA) be used to determine the glass transition temperature of a polymer? Provide a step-by-step explanation of the DMA technique and its application to polymer characterization.

asked Feb 6 in Polymer Chemistry

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1 answer 47 views

Calculate the standard enthalpy change for the reaction: CH4(g) + 2O2(g) -> CO2(g) + 2H2O(g) Given the necessary bond enthalpies are: C-H = 411 kJ/molO=O = 495 kJ/molO-H = 463 kJ/molC=O = 799 kJ/mol.

asked Feb 3 in Quantum Chemistry

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1 answer 54 views

Calculate the standard cell potential (E°) for the following electrochemical cell:Zn(s) | Zn2+(aq, 0.100M) || Cr3+(aq, 0.050M) | Cr(s)Given: E°cell (Zn2+/Zn) = -0.76 VE°cell (Cr3+/Cr) = -0.74 V

asked Feb 3 in Physical Chemistry

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1 answer 56 views

What is the major product formed when 1-bromo-2-methylcyclohexane is treated with sodium ethoxide in ethanol at a temperature of 60°C?

asked Jan 21 in Organic Chemistry

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1 answer 45 views

The complete hydrolysis of starch yields what?

asked Dec 31, 2024 in Science

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